RA/DEC (2000)
15:50:23.398 +25:55:10.03
237.59748962 +25.9194514634
Type
SN II
Redshift
0.007165
Discovery ReportClassification Report
Related AstroNotes: 2025-147
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-04-05 12:03:22.176
TNS AT
Y
Public
Y
Discovery Mag
17.589
Filter
cyan-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_2025gvs - 2025-04-06 11:06:36 Bok / BC-Bok (DLT40)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
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌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
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌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-S_GOTO-3_L
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌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
20709 2025-04-06 11:06:36 Bok / BC-Bok 900 Jeniveve Pearson, Karen Knierman, Jennifer Patience Jeniveve Pearson DLT40 tns_2025gvs_2025-04-06_11-06-36_Bok_BC-Bok_DLT40.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-04-06 17:18:57 - 2025-04-06 17:18:57 2460772.221492 - 2460772.221492 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481087 2025-04-06 17:18:57 2460772.221492 17.12 0.02 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-1 2025-02-20 03:42:44 - 2025-02-20 03:42:44 2460726.654679 - 2460726.654679 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481086 2025-02-20 03:42:44 2460726.654679 19.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-04-01 06:12:09 - 2025-04-15 07:29:44 2460766.7584375 - 2460780.8123148 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
483324 2025-04-15 07:29:44 2460780.8123148 16.07 0.02 19.46 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
483323 2025-04-01 06:12:09 2460766.7584375 20.56 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-03-28 10:35:37 - 2025-04-08 09:21:02 2460762.9414005 - 2460773.8896065 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481392 2025-04-08 09:21:02 2460773.8896065 16.6834 0.0436062 ABMag r-ZTF P48_ZTF-Cam
481390 2025-03-28 10:35:37 2460762.9414005 19.6632 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-03-26 10:58:17 - 2025-04-08 08:25:03 2460760.9571412 - 2460773.8507292 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481391 2025-04-08 08:25:03 2460773.8507292 16.584 0.0339539 ABMag g-ZTF P48_ZTF-Cam
482941 2025-04-06 08:25:08 2460771.850787 17.2784 0.041788 20.0301 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
482940 2025-03-26 10:58:17 2460760.9571412 16.8161 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-04-04 11:39:54 - 2025-04-05 12:03:22 2460769.98604 - 2460771.00234 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481000 2025-04-05 12:03:22 2460771.00234 17.589 0.063 19.49 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
480999 2025-04-04 11:39:54 2460769.98604 17.7 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
i-P1 PS1_GPC1 2025-04-15 14:03:48 - 2025-04-15 14:03:48 2460781.08597 - 2460781.08597 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482612 2025-04-15 14:03:48 2460781.08597 16.11 0.01 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
252252 2025-04-22 07:48:03 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 15:50:23.418 +25:55:10.09 2025-04-15 07:29:44.000 16.07 BG-q-BlackGem 1 PSN BGEM J155023.41+255510.0 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025gvs_atrep_252252_BlackGEM.pdf Finding Chart 2025-04-22 07:48:05 BlackGEM_Bot1
252071 2025-04-20 18:14:37 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 15:50:23.404 +25:55:10.09 2025-04-06 08:25:07.997 17.2784 g-ZTF PSN ZTF25aalzmga ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aalzmga N
251876 2025-04-19 09:05:10 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 15:50:23.398 +25:55:10.03 2025-04-15 14:03:47.808 16.11 i-P1 PSN PS25blc Pan-STARRS N
251215 2025-04-08 09:32:06 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 15:50:23.402 +25:55:10.10 2025-04-08 08:25:03.002 16.584 g-ZTF PSN ZTF25aalzmga ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
251098 2025-04-06 18:30:23 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 15:50:23.409 +25:55:09.89 2025-04-06 17:18:56.736 17.12 L-GOTO Other GOTO25bsp GOTO N
251047 2025-04-06 07:37:13 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 15:50:23.390 +25:55:09.96 2025-04-05 12:03:22.176 17.589 cyan-ATLAS PSN ATLAS25dpm ATLAS 2025TNSTR1296....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
20709 2025-04-06 14:48:51 David Sand D. Sand (University of Arizona), J. Pearson (University of Arizona), K. Knierman (Arizona State University, J. Patience (Arizona State University), S. W. Jha, M. Lundquist, J. E. Andrews, E. Hoang, M. Shrestha, Y. Dong, D. Janzen, G. Hosseinzadeh, N. Meza, K. A. Bostroem, D. Mehta, A. Ravi, A. Martas, S. Valenti DLT40 SN II 0.007165 1 Add DLT40 Using GELATO, the spectrum is consistent with several relatively young type II supernovae. Top matches includes SN2011fu (IIb) and SN1999gi (IIP), although neither is a perfect match. Similar matches are found with SNID. 2025TNSCR1302....1S
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
20709 2025-04-06 11:06:36 Bok / BC-Bok 900 Jeniveve Pearson, Karen Knierman, Jennifer Patience Jeniveve Pearson DLT40 tns_2025gvs_2025-04-06_11-06-36_Bok_BC-Bok_DLT40.dat Object

Comments

TNS
System

Sat, 04/19/2025 - 09:05

Object coordinates updated

Object coordinates updated according to AT-report 251876 of Group Pan-STARRS
Previous RA, DEC: 15:50:23.402, +25:55:10.10 (237.5975086, +25.9194728)
Updated RA, DEC: 15:50:23.398, +25:55:10.03 (237.59748962, +25.9194514634)

TNS
System

Tue, 04/08/2025 - 09:32

Object coordinates updated

Object coordinates updated according to AT-report 251215 of Group ZTF
Previous RA, DEC: 15:50:23.390, +25:55:09.96 (237.597457143, +25.9194342857)
Updated RA, DEC: 15:50:23.402, +25:55:10.10 (237.5975086, +25.9194728)