RA/DEC (2000)
12:41:36.862 +26:04:19.86
190.4035933 +26.0721835
Type
SN Ib
Redshift
0.015797
Discovery ReportClassification Report
Related AstroNotes: 2025-187
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-18 07:31:47.136
TNS AT
Y
Public
Y
Discovery Mag
19.016
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), C. Kukuckova, N. Keenan (Belfast High School), E. Boyd (Glenlola Collegiate)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025nzi - 2025-06-21 08:32:24 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
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-MLO_ATLAS-01_cyan
   
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
21373 2025-06-21 08:32:24 UH88 / SNIFS 2400 M. E. Huber SCAT tns_2025nzi_2025-06-21_08-32-24_UH88_SNIFS_SCAT.dat Object Poor dichroic correction for ~490-520 nm
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-06-13 21:37:04 - 2025-06-22 21:57:50 2460840.400738 - 2460849.415161 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497641 2025-06-22 21:57:50 2460849.415161 18.18 0.06 ABMag L-GOTO GOTO-N_GOTO-2 180
497640 2025-06-13 21:37:04 2460840.400738 19.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-06-05 04:54:45 - 2025-06-21 05:22:38 2460831.7046875 - 2460847.7240509 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497618 2025-06-21 05:22:38 2460847.7240509 18.6183 0.0843469 ABMag g-ZTF P48_ZTF-Cam
497617 2025-06-21 05:21:16 2460847.7231019 18.6616 0.120075 ABMag g-ZTF P48_ZTF-Cam
497616 2025-06-05 04:54:45 2460831.7046875 19.9476 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-17 06:38:42 - 2025-06-17 06:38:42 2460843.77688 - 2460843.77688 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496168 2025-06-17 06:38:42 2460843.77688 19.55 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-06-18 07:31:47 - 2025-06-18 07:31:47 2460844.81374 - 2460844.81374 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496169 2025-06-18 07:31:47 2460844.81374 19.016 0.15 19.71 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 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
259804 2025-06-23 06:39:21 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 12:41:36.868 +26:04:20.07 2025-06-22 21:57:49.824 18.18 L-GOTO Other GOTO25ebb GOTO N
259795 2025-06-23 04:17:28 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 12:41:36.862 +26:04:19.86 2025-06-21 05:21:16.004 18.6616 g-ZTF PSN ZTF25aawjhct ZTF N
259050 2025-06-18 13:46:36 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:41:36.888 +26:04:20.80 2025-06-18 07:31:47.136 19.016 cyan-ATLAS PSN ATLAS25gfe ATLAS 2025TNSTR2269....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
21373 2025-06-22 21:30:52 Mark Huber M. E. Huber (IfA, UH Manoa) on behalf of the SCAT team SCAT SN Ib 0.015797 1 Add ATLAS, SCAT Spectrum matches type Ib SN few days before maximum light. Classification and age from template cross-correlation with SNID (Blondin and Tonry 2007) with redshift from NED for NGC 4615 2025TNSCR2355....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
21373 2025-06-21 08:32:24 UH88 / SNIFS 2400 M. E. Huber SCAT tns_2025nzi_2025-06-21_08-32-24_UH88_SNIFS_SCAT.dat Object Poor dichroic correction for ~490-520 nm

Comments

TNS
System

Mon, 06/23/2025 - 04:17

Object coordinates updated

Object coordinates updated according to AT-report 259795 of Group ZTF
Previous RA, DEC: 12:41:36.888, +26:04:20.80 (190.4037, +26.072445)
Updated RA, DEC: 12:41:36.862, +26:04:19.86 (190.4035933, +26.0721835)