RA/DEC (2000)
07:42:43.935 +18:19:39.40
115.6830635 +18.3276112
Type
SN Ia
Redshift
0.027949
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-12-19 01:03:38.016
TNS AT
Y
Public
Y
Discovery Mag
18.219
Filter
wide-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (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, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (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_2025ahol - 2025-12-20 17:08:49 Lijiang-2.4m / YFOSC (None)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
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌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
22685 2025-12-20 17:08:49 Lijiang-2.4m / YFOSC Luhan Li Luhan Li None tns_2025ahol_2025-12-20_17-08-49.265_Lijiang-2.4m_YFOSC_None.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-12-19 01:03:38 - 2025-12-19 01:03:38 2461028.54419 - 2461028.54419 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540645 2025-12-19 01:03:38 2461028.54419 18.219 0.056 20.04 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-12-11 04:29:55 - 2025-12-18 00:40:20 2461020.687437 - 2461027.52801 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
541501 2025-12-18 00:40:20 2461027.52801 18.94 0.07 ABMag L-GOTO GOTO-N_GOTO-1 180
541500 2025-12-11 04:29:55 2461020.687437 20 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-12 10:24:23 - 2025-12-16 08:17:21 2461021.9335995 - 2461025.8453819 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540871 2025-12-16 08:17:21 2461025.8453819 19.725 0.112151 ABMag r-ZTF P48_ZTF-Cam
540870 2025-12-12 10:24:23 2461021.9335995 20.5908 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-18 07:14:28 - 2025-12-18 07:14:28 2461027.801713 - 2461027.801713 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540872 2025-12-18 07:14:28 2461027.801713 18.7922 0.0932359 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-17 12:03:22 - 2025-12-17 12:03:22 2461027.00234 - 2461027.00234 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540644 2025-12-17 12:03:22 2461027.00234 19.45 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
281789 2025-12-21 11:51:26 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 07:42:43.936 +18:19:39.10 2025-12-18 00:40:20.064 18.94 L-GOTO Other GOTO25mgo GOTO N
281517 2025-12-20 07:26:51 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 07:42:43.935 +18:19:39.40 2025-12-16 08:17:20.996 19.725 r-ZTF PSN ZTF25acilyrg ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
281418 2025-12-19 09:54:12 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 07:42:43.933 +18:19:39.72 2025-12-19 01:03:38.016 18.219 wide-ATLAS PSN ATLAS25pyp ATLAS 2025TNSTR5057....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
22684 2025-12-25 03:52:30 Luhan Li Bo Wang, Luhan Li, Liping Li, Jujia Zhang, Xinjie Luo, Shiyang Dong (YNAO) None SN Ia 0.027949 1 2025TNSCR5167....1W
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
22685 2025-12-20 17:08:49 Lijiang-2.4m / YFOSC Luhan Li Luhan Li None tns_2025ahol_2025-12-20_17-08-49.265_Lijiang-2.4m_YFOSC_None.dat Object

Comments

TNS
System

Sat, 12/20/2025 - 07:26

Object coordinates updated

Object coordinates updated according to AT-report 281517 of Group ZTF
Previous RA, DEC: 07:42:43.933, +18:19:39.72 (115.683055455, +18.3277)
Updated RA, DEC: 07:42:43.935, +18:19:39.40 (115.6830635, +18.3276112)