RA/DEC (2000)
22:51:54.175 +38:37:39.00
342.975727721 +38.627499386
Type
SN Ia
Redshift
0.064359
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-15 10:12:23.328
TNS AT
Y
Public
Y
Discovery Mag
18.997
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), M. R. Alarcón, J. Licandro, P. Nichita (IAC), 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, P. J. Broda (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_2025xrb - 2025-09-16 00:00:00 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
▌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-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
22039 2025-09-16 00:00:00 UH88 / SNIFS 1800 Hoogendam Hoogendam SCAT tns_2025xrb_2025-09-16_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-07-26 03:24:33 - 2025-10-02 22:23:45 2460882.642046 - 2460951.433158 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522134 2025-10-02 22:23:45 2460951.433158 18.7 0.07 ABMag L-GOTO GOTO-N_GOTO-2 180
522133 2025-07-26 03:24:33 2460882.642046 18.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-11-11 05:22:50 - 2025-11-11 05:22:50 2460990.72419 - 2460990.72419 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545270 2025-11-11 05:22:50 2460990.72419 20.5 0.06 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-09-10 08:20:17 - 2025-09-21 06:53:50 2460928.847419 - 2460939.7873843 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518848 2025-09-21 06:53:50 2460939.7873843 18.6279 0.0294318 ABMag r-ZTF P48_ZTF-Cam
518847 2025-09-21 06:07:54 2460939.7554861 18.6156 0.056723 ABMag r-ZTF P48_ZTF-Cam
518846 2025-09-10 08:20:17 2460928.847419 19.7235 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-15 10:12:23 - 2025-09-15 10:12:23 2460933.92527 - 2460933.92527 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517572 2025-09-15 10:12:23 2460933.92527 18.997 0.138 19.52 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-09-14 11:00:02 - 2025-09-14 11:00:02 2460932.95836 - 2460932.95836 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517571 2025-09-14 11:00:02 2460932.95836 19.24 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
284036 2025-12-30 19:40:06 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 22:51:54.175 +38:37:39.00 2025-11-11 05:22:50.016 20.5 w-P1 PSN PS25klj Pan-STARRS N
272431 2025-10-03 17:31:55 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 22:51:54.180 +38:37:39.08 2025-10-02 22:23:45.024 18.7 L-GOTO Other GOTO25ifq GOTO N
270821 2025-09-21 07:22:38 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 22:51:54.170 +38:37:38.95 2025-09-21 06:07:53.999 18.6156 r-ZTF PSN ZTF25absmwsv ZTF N
270250 2025-09-15 21:16:28 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 22:51:54.159 +38:37:39.16 2025-09-15 10:12:23.328 18.997 orange-ATLAS PSN ATLAS25lmd ATLAS 2025TNSTR3706....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
22039 2025-09-16 23:32:39 Willem Hoogendam Willem Hoogendam (IfA/Hawaii), on behalf of SCAT SCAT SN Ia 0.064359 1 SCAT Redshift from NED 2025TNSCR3730....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
22039 2025-09-16 00:00:00 UH88 / SNIFS 1800 Hoogendam Hoogendam SCAT tns_2025xrb_2025-09-16_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Tue, 12/30/2025 - 19:40

Object coordinates updated

Object coordinates updated according to AT-report 284036 of Group Pan-STARRS
Previous RA, DEC: 22:51:54.170, +38:37:38.95 (342.9757074, +38.6274875)
Updated RA, DEC: 22:51:54.175, +38:37:39.00 (342.975727721, +38.627499386)

TNS
System

Sun, 09/21/2025 - 07:22

Object coordinates updated

Object coordinates updated according to AT-report 270821 of Group ZTF
Previous RA, DEC: 22:51:54.159, +38:37:39.16 (342.975664, +38.627544)
Updated RA, DEC: 22:51:54.170, +38:37:38.95 (342.9757074, +38.6274875)