RA/DEC (2000)
12:26:41.432 +43:39:44.44
186.672633844 +43.6623453909
Type
SN Ia
Redshift
0.065425
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-31 06:53:48.768
TNS AT
Y
Public
Y
Discovery Mag
19.101
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025gha - 2025-04-12 12:19:14 UH88 / SNIFS (SCAT)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
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▌Show N II at z=vexp= km/s
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▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
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▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_i
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
20756 2025-04-12 12:19:14 UH88 / SNIFS 2000 M. E. Huber SCAT tns_2025gha_2025-04-12_12-19-14_UH88_SNIFS_SCAT.dat Object Poor dichroic correction for ~495-520 nm
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-03-17 23:20:49 - 2025-04-04 01:44:00 2460752.472793 - 2460769.57222 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480600 2025-04-04 01:44:00 2460769.57222 18.44 0.07 ABMag L-GOTO GOTO-N_GOTO-1 180
480599 2025-03-17 23:20:49 2460752.472793 19.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-03-26 08:46:18 - 2025-04-09 10:33:23 2460760.8654861 - 2460774.9398495 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481597 2025-04-09 10:33:23 2460774.9398495 18.157 0.106138 ABMag g-ZTF P48_ZTF-Cam
481596 2025-03-26 09:45:11 2460760.9063773 19.9527 0.239635 ABMag g-ZTF P48_ZTF-Cam
481595 2025-03-26 08:46:18 2460760.8654861 20.8752 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-31 06:53:49 - 2025-03-31 06:53:49 2460765.78737 - 2460765.78737 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479882 2025-03-31 06:53:49 2460765.78737 19.101 0.162 19.4 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-03-30 07:36:24 - 2025-03-30 07:36:24 2460764.81694 - 2460764.81694 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479881 2025-03-30 07:36:24 2460764.81694 19.06 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
i-P1 PS1_GPC1 2025-05-13 07:58:21 - 2025-05-13 07:58:21 2460808.83219 - 2460808.83219 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493952 2025-05-13 07:58:21 2460808.83219 19.36 0.15 20.7 ABMag i-P1 PS1_GPC1 45 Robot
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
257918 2025-06-06 10:36:58 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 12:26:41.432 +43:39:44.44 2025-05-13 07:58:21.216 19.36 i-P1 PSN PS25dep Pan-STARRS N
251315 2025-04-09 10:43:21 Fritz Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 12:26:41.439 +43:39:44.61 2025-03-26 09:45:10.998 19.9527 g-ZTF PSN ZTF25aalrrdz ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
250830 2025-04-04 08:34:07 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 12:26:41.459 +43:39:44.47 2025-04-04 01:43:59.808 18.44 L-GOTO Other GOTO25bnt GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Henryk Krawczyk, Antonio Pasqua, Lucia Maria Ferreira Lima , Dimitri Ferreira Lima, Virgilio Gonano N
250370 2025-03-31 09:08:38 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 12:26:41.430 +43:39:44.83 2025-03-31 06:53:48.768 19.101 orange-ATLAS PSN ATLAS25dja ATLAS 2025TNSTR1210....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20756 2025-04-13 08:58:49 Mark Huber M. E. Huber (IfA, UH Manoa) on behalf of the SCAT team SCAT SN Ia 0.065425 1 ATLAS, SCAT Spectrum matches type Ia SN around maximum light. Classification and age from template cross-correlation with SNID (Blondin and Tonry 2007) with redshift from NED for 2MFGC 09802 2025TNSCR1377....1H
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
20756 2025-04-12 12:19:14 UH88 / SNIFS 2000 M. E. Huber SCAT tns_2025gha_2025-04-12_12-19-14_UH88_SNIFS_SCAT.dat Object Poor dichroic correction for ~495-520 nm

Comments

TNS
System

Fri, 06/06/2025 - 10:36

Object coordinates updated

Object coordinates updated according to AT-report 257918 of Group Pan-STARRS
Previous RA, DEC: 12:26:41.439, +43:39:44.61 (186.672664, +43.6623918)
Updated RA, DEC: 12:26:41.432, +43:39:44.44 (186.672633844, +43.6623453909)

TNS
System

Wed, 04/09/2025 - 10:43

Object coordinates updated

Object coordinates updated according to AT-report 251315 of Group ZTF
Previous RA, DEC: 12:26:41.430, +43:39:44.83 (186.672626, +43.662452)
Updated RA, DEC: 12:26:41.439, +43:39:44.61 (186.672664, +43.6623918)