{"id":"bbe47909-9020-43af-8c08-1e32b7fe6da8","arxiv_id":"2507.10226","paper_version":1,"verdict":"CONDITIONAL","confidence":"HIGH","novelty_score":3.0,"correctness_risk":"low","formal_verification":"none","parameter_count":0,"one_line_summary":"Astro-COLIBRI is presented as a real-time alert platform for multi-messenger astronomy with citizen-science features, including a N.I.N.A. plugin and a Unistellar partnership, illustrated by the follow-up of SN 2025coe.","lead":"This paper describes Astro-COLIBRI, a free app and website that sends real-time alerts about cosmic events like supernovae and gravitational waves to both professional and amateur astronomers. It explains how the platform connects amateur telescope networks such as RAPAS and Unistellar to automated follow-up observations, aiming to broaden participation in time-domain astronomy.","discovery_kind":"new_application","skeptic_critique":{"model":"deepseek-v4-flash","headline":"The empowerment claim rests on an anecdotal case study with no causal evidence that Astro-COLIBRI, rather than TNS/GCN or other channels, triggered the citizen-science follow-up data.","rationale":"The reader's verdict is CONDITIONAL and identifies missing reliability/latency metrics as the weakest assumption. My stress-test converges on a related but sharper issue: the paper's central empowerment claim depends on a causal link between Astro-COLIBRI alerts and citizen-scientist observations, yet the only presented evidence is one anecdotal case study (SN 2025coe) that does not demonstrate that link. The case study shows correlation: a transient was discovered, Astro-COLIBRI relayed it, and RAPAS later produced photometry. But the same alert was available through TNS and GCN, which are standard professional/amateur channels; without showing that RAPAS observers used Astro-COLIBRI specifically, the claim that the platform was 'crucial' is not supported. This is not an internal inconsistency or a scientific error in the platform description; it is an evidence gap in the causal narrative. The Unistellar integration is similarly asserted to enable one-tap automatic telescope command, but no technical or usage evidence is supplied. Because the paper is a proceedings-style software description, I do not think the gap warrants rejection; it does warrant keeping the verdict conditional on the authors providing a concrete usage/causal account. Therefore the reader's verdict remains appropriate, and no change to that verdict is needed. My concern differs from the reader's in that the reader focused on system reliability/latency, whereas I focus on the absence of evidence that the platform specifically caused the reported scientific contributions; hence partial agreement.","tokens_in":5354,"tokens_out":2844,"duration_ms":35904,"concrete_test":"Obtain the public alert timestamps for SN 2025coe from TNS/GCN, the observation timestamps from the RAPAS AstroNote (TNS AstroNote 2025-200), and the communication channel used to mobilize RAPAS observers. If RAPAS observations began before or independent of an Astro-COLIBRI notification, or if the triggering channel was TNS/GCN/email rather than Astro-COLIBRI, then Section 4's causal claim fails and the empowerment claim is unsupported. A secondary check should verify the Unistellar integration's deep-link behavior: whether the Astro-COLIBRI notification URL can actually command a Unistellar telescope without additional manual app steps.","verdict_should_be":"UNCHANGED","load_bearing_attack":"The central claim that Astro-COLIBRI empowers citizen scientists to contribute scientifically valuable follow-up data is supported in Section 4 by the SN 2025coe case study and in Section 3.3 by the Unistellar workflow description. For that claim to hold, at least some scientifically used observations must have been initiated through Astro-COLIBRI-specific pathways. The paper does not establish this. In Section 4, the authors state that SN 2025coe was discovered by Itagaki, reported to TNS, and Astro-COLIBRI 'immediately ingested and relayed' the alert; they then assert that this rapid dissemination 'was crucial in enabling a swift follow-up campaign' by RAPAS. However, no evidence links the RAPAS observations to Astro-COLIBRI notifications. The same alert was available on TNS/GCN to any observer, and the lightcurve in Figure 2 only shows that RAPAS data exist, not that they were triggered by Astro-COLIBRI. Similarly, Section 3.3 describes a 'single tap' that 'automatically commands their Unistellar telescope' to point and capture data, but provides no protocol details, logs, or usage statistics showing that this pathway actually produced data used by the SETI Institute. Without a causal trace from an Astro-COLIBRI notification to an observation that entered the scientific record, the paper overstates the platform's role. The reader's concern about missing reliability/latency metrics is valid, but the more load-bearing gap is the absence of evidence that the platform itself, rather than the broader alert ecosystem, caused the reported citizen-science contributions.","agreement_with_reader":"partial"},"referee_report":{"model":"deepseek-v4-flash","summary":"Astro-COLIBRI is presented as a platform that aggregates, evaluates, and contextualizes transient alerts from brokers like GCN and TNS, and disseminates them in real time through mobile and web clients. The paper describes the system architecture (RESTful API, MongoDB/Firestore, Flutter clients, FCM notifications, discussion forum), outlines citizen-science features (bright-transient filters, custom observatories, simplified UI), and details two integration workflows: a N.I.N.A. plugin that converts alerts into telescope pointing commands, and a Unistellar 'Cosmic Cataclysms' program where a single tap commands a telescope and sends data to the SETI Institute. A case study of SN 2025coe claims that Astro-COLIBRI's rapid relay of the TNS discovery notice was crucial for enabling follow-up observations by the French RAPAS amateur network. The paper concludes that the platform democratizes access to time-domain astrophysics and empowers citizen scientists to make scientifically impactful contributions.","tokens_in":5642,"tokens_out":3850,"duration_ms":43430,"significance":"If the empowerment claims were substantiated, Astro-COLIBRI would be a noteworthy contribution to professional–amateur collaboration in multi-messenger astrophysics. The paper's strength is its description of a real, publicly accessible platform with an open API, a large ecosystem of alert streams, and concrete integrations (N.I.N.A., Unistellar, RAPAS). The descriptive material is appropriate for a conference proceeding, and the reference list includes prior technical descriptions of the platform. However, the paper does not provide quantitative evidence for the key causal claims: that Astro-COLIBRI-specific pathways triggered the RAPAS follow-up, that the Unistellar workflow has produced science-grade data, or that the platform's real-time performance meets the stated standards. The scientific contribution is therefore currently a platform overview with an anecdotal case study rather than a validated demonstration of citizen-science impact.","major_comments":[{"comment":"The assertion that Astro-COLIBRI's rapid dissemination 'was crucial in enabling a swift follow-up campaign' by RAPAS is not supported by the evidence presented. The same alert was available through TNS/GCN, and no data are shown that link the RAPAS observations in Figure 2 to notifications received through Astro-COLIBRI. Please provide a causal trace (e.g., timestamps of Astro-COLIBRI push notifications versus the start of RAPAS observations, or a survey response from RAPAS members about their alert source), or revise the claim to state explicitly that Astro-COLIBRI was one of several possible alert channels and that its specific role is not established by this case study.","section":"Section 4"},{"comment":"The Unistellar workflow description concludes that 'This partnership has already proven successful in observing supernovae and other cosmic cataclysms like novae,' but no usage statistics, observation logs, or references to a validation study are provided. Without evidence that observations obtained through the Astro-COLIBRI-triggered pathway actually reached the SETI Institute science server and were used in scientific analysis, the claim that citizen scientists contribute 'scientifically valuable data' through this mechanism is unsubstantiated. Please add quantitative data or explicitly re-label this as a workflow demonstration rather than a validated program.","section":"Section 3.3"},{"comment":"The platform is described as having 'negligible latency' and a cloud architecture 'optimized for performance, reliability, and scalability,' yet no uptime, latency, or error-rate measurements are provided. Because the paper's central value proposition is real-time alert dissemination to citizen scientists, at least a basic quantification (for example, the median time from broker receipt to push notification, or a representative reliability figure) is needed to support this claim. If such data are not available, the text should be qualified as an architectural description rather than a measured performance statement.","section":"Section 2.1"}],"minor_comments":[{"comment":"Reference [9] lists the developer as 'C. Niewand' while the text and the GitHub link use 'Christoph Nieswand'; please reconcile the spelling.","section":"References"},{"comment":"The caption writes 'GAIA bands'; the mission name should be 'Gaia' in standard typography.","section":"Figure 2 caption"},{"comment":"The phrase 'typically magnitude < 16.3' should specify the photometric band (e.g., unfiltered, V band, or clear) to make the selection criterion unambiguous.","section":"Section 3.3"},{"comment":"The abstract uses future tense ('we will present') for content that is fully contained in the paper; please change to present tense.","section":"Abstract"},{"comment":"The text alternates between 'Pro-Am' and 'ProAm'; unify the spelling for consistency.","section":"Throughout"}],"recommendation":"major_revision","confidential_remarks":"This is a short ICRC proceedings paper, and my expectation of evidence is calibrated to that venue. The major comments can be addressed by softening the causal claims and, where feasible, adding limited quantitative information; I do not believe the issues are irreparable. The citation pattern is acceptable: the self-citations are to legitimate prior descriptions of the same platform, and the paper clearly builds on them."},"author_rebuttal":null,"desk_editor":{"model":"deepseek-v4-flash","letter":"Colleague,\n\nThis is a proceedings paper describing the Astro-COLIBRI platform and its citizen-science program. The core platform was already described in refs. [1,2]; what is new here is the outreach layer: the N.I.N.A. plugin, the Unistellar 'Cosmic Cataclysms' workflow, and the SN 2025coe case study. The description of the system architecture (REST API, databases, listeners, push notifications) is clear and credible. The platform is real, publicly accessible, and the listed integrations are concrete. That is the paper's strength.\n\nThe soft spot is exactly what the reader's report flags. The central claim—that Astro-COLIBRI empowers citizen scientists to make scientifically valuable follow-up observations—rests on a single anecdotal case study. The SN 2025coe lightcurve shows RAPAS data, but nothing establishes that those observations were triggered by Astro-COLIBRI notifications rather than by TNS/GCN or other channels; the same alert was available to any observer. The Unistellar workflow is described as a 'single tap' commanding the telescope, but no protocol logs, usage statistics, or examples of data that entered the SETI Institute science server are provided. So the empowerment claim is plausible but unproven. For a platform status paper that is not a fatal flaw, but it is a load-bearing gap for the headline assertion.\n\nThe stress-test note is right. The missing latency/reliability metrics are a secondary concern; the bigger issue is the missing causal trace from notification to observation. The authors should either add such evidence (e.g., how many RAPAS observers report using Astro-COLIBRI, server logs connecting alerts to observation timestamps) or soften the language from 'crucial' and 'enables' to 'designed to support' and 'consistent with'. A few usage numbers—active users, alerts pushed, plugin downloads—would also strengthen the paper without much effort.\n\nThe citation pattern is fine. The self-citations to refs. [1,2] are appropriate as prior platform descriptions, and the other references (tilepy, RAPAS, Unistellar) are relevant. No circularity here.\n\nWho is this for? Anyone in time-domain astronomy who wants a status report on a widely used pro-am alert platform. It is not a scientific result and does not claim to be. A serious referee should ask for the causal evidence or recalibrated claims, but the manuscript is coherent and honest on its own terms. For an ICRC proceedings, I would accept it with minor revisions.\n\nRecommendation: send to peer review. It is not transformative, but it is a legitimate software description that deserves referee time.","headline":"A clear platform status report whose central empowerment claim outruns the evidence; still worthy of a referee for a conference proceedings.","tokens_in":6180,"tokens_out":1849,"would_cite":false,"duration_ms":21174,"reading_group":"maybe","serious_thinker":"yes","would_accept_peer_review":true},"rs_alignment":null,"lean_confirmation":null,"pith_extraction":{"msc":[],"pacs":[],"model":"deepseek-v4-flash","headline":"Astro-COLIBRI claims a free, real-time platform can route transient alerts to citizen scientists whose telescopes then produce scientifically useful follow-up data.","keywords":["citizen science","multi-messenger astrophysics","time-domain astronomy","transient alerts","real-time astronomy","amateur astronomy","professional-amateur collaboration","Astro-COLIBRI"],"falsifier":"Measure the median time between a TNS or GCN alert being published and a push notification appearing on a phone running the Astro-COLIBRI app during a real transient. If the median latency regularly exceeds the observable window for the target class (minutes to hours, depending on the event), the claimed ability to enable timely follow-up would be disproven. A second check would be to record any outage of the alert listeners during a major transient; even one gap while a high-profile event was active would falsify the reliability claim.","tokens_in":5201,"feed_emoji":"🔭","tokens_out":5551,"duration_ms":62330,"temperature":0.7,"pith_summary":"Astro-COLIBRI is a free, cloud-based platform that aims to put professional-grade transient astronomy into the hands of citizen scientists. The paper argues that it aggregates and evaluates real-time alerts from brokers such as GCN and TNS, visualizes them on interactive sky maps, and routes them as push notifications to mobile apps, all within moments of an official report. From a notification, one tap can command a telescope, via a dedicated N.I.N.A. plugin or the Unistellar network, so an amateur can start collecting photometry in seconds. The discovery and follow-up of the supernova SN 2025coe is presented as evidence that such amateur data, combined with professional survey data, produces densely sampled lightcurves useful for real science. The paper's central claim is that this integration genuinely democratizes multi-messenger astrophysics, though it does not report latency or reliability measurements for the platform's components.","feed_headline":"Real-time alerts aim amateur telescopes at cosmic transients","feed_subtitle":"A free app turns push notifications into telescope pointing, putting citizen data in pro campaigns.","key_machinery":"The load-bearing object is a real-time alert-to-observation pipeline consisting of alert listeners that pull VOEvents from GCN and notices from TNS, a Python/Flask REST API that processes and stores events in MongoDB with Firebase Firestore streaming data to clients, and Firebase Cloud Messaging that sends personalized push notifications. Two automation bridges make the pipeline scientifically productive: the open-source N.I.N.A. plugin, which converts an alert into telescope coordinates and sequencing parameters in one click, and the Unistellar 'Cosmic Cataclysms' channel, where a single tap commands a telescope and sends the resulting data to the SETI Institute science server. The tiling tool tilepy is also integrated for events with large localization uncertainties, such as gravitational-wave events, so that even poorly localized alerts can be turned into an optimized observation plan.","core_discovery":"The paper's central claim is architectural rather than a new astrophysical result: a single, freely accessible platform can compress the chain from cosmic transient detection to amateur observation into a few taps. Astro-COLIBRI connects alert listeners, a RESTful API, real-time and persistent databases, and cloud push notifications so that every user sees the same up-to-date sky. Its defining move is automation, with the N.I.N.A. plugin filling telescope framing and sequencing fields from an alert, and the Unistellar program turning a push notification into an autonomous pointing command. The case of SN 2025coe is offered as a demonstration: amateur lightcurves from the RAPAS network, obtained after Astro-COLIBRI relayed the discovery alert, complement ATLAS and ZTF photometry in a multi-band set used to characterize a calcium-rich Type Ib supernova.","pith_inferences":["The paper argues capability through architecture and a single case study; an empirical test would measure how many citizen-submitted lightcurves actually enter published analyses, and whether alerts reliably reach a user before the target sets or fades.","The single-tap pointing workflow, through the N.I.N.A. plugin and the Unistellar channel, is the mechanism that converts information into data; the same pattern could be extended to any robotic telescope network, making alert-triggered observation a general-purpose service.","The built-in 'Bright Optical Transients' filter at magnitude 18 implicitly defines the regime where amateurs are scientifically competitive; a completeness study of this filter against all bright transients would reveal what fraction of the new discovery space amateurs actually cover.","The planned 'Astro-COLIBRI GPT' chatbot points toward natural-language triage of the alert deluge; if successful, the platform's role could shift from alert relay to automated prioritization, a direction professional brokers may also adopt."],"forward_implications":["If the platform works as described, any owner of a modest telescope can receive real-time alerts and point at a transient within moments, adding a large distributed observing capacity to professional campaigns.","The Unistellar integration means that a single push notification can command a telescope autonomously, turning a global fleet of consumer telescopes into a coordinated observatory without professional staffing.","Rapid dissemination of alerts, as demonstrated with SN 2025coe, can yield early, multi-band, densely sampled lightcurves for supernovae and other transients, which are essential for classification and physical modeling.","The open API and community plugin ecosystem mean that new alert brokers and observation tools can be attached to the platform without rebuilding the core, so the system is extensible to future facilities like the Vera C. Rubin Observatory.","If relied upon widely, the platform offers a practical channel for capacity building in regions that lack access to professional telescope time, by giving local groups the same real-time information as professionals."],"supporting_citations":[{"why":"Describes the original Astro-COLIBRI platform and its real-time alert aggregation, the foundation on which the citizen-science program is built.","marker":"[1]"},{"why":"Presents Astro-COLIBRI 2 and its advanced real-time multi-messenger features, which this paper extends toward citizen science.","marker":"[2]"},{"why":"Supplies tilepy, the tool integrated into Astro-COLIBRI for optimized observation planning of large localization regions such as gravitational-wave events.","marker":"[3]"},{"why":"Documents the SETI Institute and Unistellar collaboration for which Astro-COLIBRI acts as the alert distribution engine.","marker":"[8]"},{"why":"The community-developed N.I.N.A. plugin that automatically fills telescope coordinates and sequencing fields from an Astro-COLIBRI alert.","marker":"[9]"},{"why":"The amateur discovery report of SN 2025coe that triggered the follow-up campaign used as the paper's scientific use case.","marker":"[10]"},{"why":"The RAPAS network AstroNote reporting citizen-scientist photometry of SN 2025coe, the data shown in the paper's light curve.","marker":"[11]"},{"why":"The companion ICRC2025 paper giving a comprehensive description of the Astro-COLIBRI platform, referenced for details on the science case.","marker":"[12]"}],"fun_headline_variants":["Push alerts point amateur scopes at cosmic flashes","App links amateur scopes to real-time sky alerts","One tap: from supernova alert to amateur telescope","Citizen scientists catch transients with new app","Astro-COLIBRI: pros and amateurs share the same sky"],"cache_read_input_tokens":3200,"weakest_assumption_plain":"The platform's servers, alert listeners, and notification system must stay up and deliver alerts fast enough that an amateur can still catch the transient in time, but the paper provides no uptime, latency, or error-rate measurements to show that this holds.","fun_headline_variants_meta":{"raw":{"variants":["Push alerts point amateur scopes at cosmic flashes","App links amateur scopes to real-time sky alerts","One tap: from supernova alert to amateur telescope","Citizen scientists catch transients with new app","Astro-COLIBRI: pros and amateurs share the same sky"]},"model":"deepseek-v4-flash","effort":"low","cost_usd":0.000318,"raw_usage":{"total_tokens":1816,"prompt_tokens":985,"completion_tokens":831,"prompt_tokens_details":{"cached_tokens":384},"prompt_cache_hit_tokens":384,"prompt_cache_miss_tokens":601,"completion_tokens_details":{"reasoning_tokens":752}},"tokens_in":601,"tokens_out":831,"duration_ms":8269,"temperature":1.0,"reasoning_tokens":752,"cache_read_input_tokens":384,"cache_creation_input_tokens":0},"cache_creation_input_tokens":0},"created_at":"2026-08-06T17:35:27.485829+00:00","model_set":{"reader":"deepseek-v4-flash"},"falsifier":"Measure the median time between a TNS or GCN alert being published and a push notification appearing on a phone running the Astro-COLIBRI app during a real transient. If the median latency regularly exceeds the observable window for the target class (minutes to hours, depending on the event), the claimed ability to enable timely follow-up would be disproven. A second check would be to record any outage of the alert listeners during a major transient; even one gap while a high-profile event was active would falsify the reliability claim.","supporting_citations":[{"cited_title":"Astro-COLIBRI—The COincidence LIBrary for Real-time Inquiry for Multimessenger Astrophysics","cited_arxiv_id":null,"evidence_quote":"Describes the original Astro-COLIBRI platform and its real-time alert aggregation, the foundation on which the citizen-science program is built."},{"cited_title":"Astro-COLIBRI 2—An Advanced Platform for Real-Time Multi-Messenger Discoveries","cited_arxiv_id":null,"evidence_quote":"Presents Astro-COLIBRI 2 and its advanced real-time multi-messenger features, which this paper extends toward citizen science."},{"cited_title":"CrossObservatory Coordinationwithtilepy: ANovelToolforObservationsofMultimessengerTransientEvents","cited_arxiv_id":null,"evidence_quote":"Supplies tilepy, the tool integrated into Astro-COLIBRI for optimized observation planning of large localization regions such as gravitational-wave events."},{"cited_title":"SETI Institute & Unistellar Collaborate with Astro-COLIBRI to Observe CataclysmicEvents","cited_arxiv_id":null,"evidence_quote":"Documents the SETI Institute and Unistellar collaboration for which Astro-COLIBRI acts as the alert distribution engine."},{"cited_title":"Astro-COLIBRI N.I.N.A. Plugin","cited_arxiv_id":null,"evidence_quote":"The community-developed N.I.N.A. plugin that automatically fills telescope coordinates and sequencing fields from an Astro-COLIBRI alert."},{"cited_title":"Itagaki, TNS Astronomical Transient Report No","cited_arxiv_id":null,"evidence_quote":"The amateur discovery report of SN 2025coe that triggered the follow-up campaign used as the paper's scientific use case."},{"cited_title":"Midavaine et al","cited_arxiv_id":null,"evidence_quote":"The RAPAS network AstroNote reporting citizen-scientist photometry of SN 2025coe, the data shown in the paper's light curve."},{"cited_title":"Astro-COLIBRI: A Comprehensive Platform for Real-Time Multi- Messenger Astrophysics","cited_arxiv_id":null,"evidence_quote":"The companion ICRC2025 paper giving a comprehensive description of the Astro-COLIBRI platform, referenced for details on the science case."}],"review_version":1}