RA/DEC (2000)
10:30:38.411 +46:57:58.76
157.6600453 +46.9663233
Type
SN Ia
Redshift
0.063
Discovery ReportClassification Report
Related AstroNotes: 2025-148
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-10 07:30:52.704
TNS AT
Y
Public
Y
Discovery Mag
18.276
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_2025khu - 2025-05-16 16:29:57 Lijiang-2.4m / YFOSC (LiONS)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
 ▌P48_ZTF-Cam_g
 ▌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
21051 2025-05-16 16:29:57 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025khu_2025-05-16_16-29-56.878_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-04-25 22:06:16 - 2025-05-04 21:11:13 2460791.42102 - 2460800.382794 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488272 2025-05-04 21:11:13 2460800.382794 18.75 0.12 ABMag L-GOTO GOTO-N_GOTO-2 180
488271 2025-04-25 22:06:16 2460791.42102 19.8 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-04-30 07:09:00 - 2025-05-15 06:14:49 2460795.7979167 - 2460810.7602894 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488212 2025-05-15 06:14:49 2460810.7602894 17.827 0.05653 ABMag g-ZTF P48_ZTF-Cam
488211 2025-05-02 06:39:07 2460797.7771644 19.7136 0.17098 ABMag g-ZTF P48_ZTF-Cam
488210 2025-04-30 07:09:00 2460795.7979167 20.5426 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-10 07:30:53 - 2025-05-10 07:30:53 2460805.81311 - 2460805.81311 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487731 2025-05-10 07:30:53 2460805.81311 18.276 0.126 18.83 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-05-06 09:24:09 - 2025-05-06 09:24:09 2460801.89177 - 2460801.89177 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487730 2025-05-06 09:24:09 2460801.89177 16.6 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
255025 2025-05-15 10:26:16 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 10:30:38.447 +46:57:58.91 2025-05-04 21:11:13.056 18.75 L-GOTO Other GOTO25clp GOTO N
255001 2025-05-15 07:54:37 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 10:30:38.411 +46:57:58.76 2025-05-02 06:39:07.004 19.7136 g-ZTF PSN ZTF25aapgxhg ZTF N
254716 2025-05-10 13:49:44 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 10:30:38.372 +46:57:58.67 2025-05-10 07:30:52.704 18.276 orange-ATLAS PSN ATLAS25exj ATLAS 2025TNSTR1738....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
21051 2025-05-17 08:07:09 Liping Li Liping Li, Qian Zhai, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN Ia 0.063 1 LiONS The spectrum matches a normal SN Ia at around peak brightness (e.g., SN 2006ax at t = +1d and SN 1994ae at t = 0d via SNID), and the redshift from SNID fitting. 2025TNSCR1821....1L
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
21051 2025-05-16 16:29:57 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025khu_2025-05-16_16-29-56.878_Lijiang-2.4m_YFOSC_LiONS.dat Object

Comments

TNS
System

Thu, 05/15/2025 - 07:54

Object coordinates updated

Object coordinates updated according to AT-report 255001 of Group ZTF
Previous RA, DEC: 10:30:38.372, +46:57:58.67 (157.659882222, +46.9662966667)
Updated RA, DEC: 10:30:38.411, +46:57:58.76 (157.6600453, +46.9663233)