RA/DEC (2000)
15:50:35.310 +15:58:39.08
237.6471243 +15.9775216
Type
SN Ia
Redshift
0.082
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-13 21:04:25.248
TNS AT
Y
Public
Y
Discovery Mag
18.458
Filter
wide-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 (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)

Spectra

 SN_2025tvd - 2025-08-15 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

 ATLAS-TDO_ATLAS-05_wide
 P48_ZTF-Cam_i
 P48_ZTF-Cam_g
 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
21790 2025-08-15 00:00:00 UH88 / SNIFS Miranda Y. Kong Miranda Y. Kong SCAT tns_2025tvd_2025-08-15_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-13 21:04:25 - 2025-08-13 21:04:25 2460901.37807 - 2460901.37807 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508697 2025-08-13 21:04:25 2460901.37807 18.458 0.064 19.88 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
i-ZTF P48_ZTF-Cam 2025-08-07 05:53:51 - 2025-08-07 05:53:51 2460894.7457292 - 2460894.7457292 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509413 2025-08-07 05:53:51 2460894.7457292 19.4316 0.129936 ABMag i-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-08-05 07:18:15 - 2025-08-16 05:16:04 2460892.8043403 - 2460903.7194907 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509414 2025-08-16 05:16:04 2460903.7194907 18.6875 0.0675223 ABMag g-ZTF P48_ZTF-Cam
509412 2025-08-05 07:18:15 2460892.8043403 19.0849 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-08-10 07:25:01 - 2025-08-10 07:25:01 2460897.80904 - 2460897.80904 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508696 2025-08-10 07:25:01 2460897.80904 15.74 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
266124 2025-08-16 23:23:58 tdescore_bot Robert Stein (UMD) on behalf of the ZTF AGN/TDE working group et al. ZTF ZTF 15:50:35.310 +15:58:39.08 2025-08-07 05:53:51.002 19.4316 i-ZTF PSN ZTF25abiwhwo ZTF N
265779 2025-08-14 10:42:01 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 15:50:35.325 +15:58:39.11 2025-08-13 21:04:25.248 18.458 wide-ATLAS PSN ATLAS25jki ATLAS 2025TNSTR3191....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
21790 2025-08-15 10:25:47 Miranda Kong Miranda Kong SCAT SN Ia 0.082 1 SCAT 2025TNSCR3218....1K
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
21790 2025-08-15 00:00:00 UH88 / SNIFS Miranda Y. Kong Miranda Y. Kong SCAT tns_2025tvd_2025-08-15_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 266124 of Group ZTF
Previous RA, DEC: 15:50:35.325, +15:58:39.11 (237.647188333, +15.97753)
Updated RA, DEC: 15:50:35.310, +15:58:39.08 (237.6471243, +15.9775216)