RA/DEC (2000)
21:10:05.942 -08:28:43.00
317.524758343 -8.47861036768
Type
SN Ia
Redshift
0.0842
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-07 13:45:54.720
TNS AT
Y
Public
Y
Discovery Mag
19.169
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025kdv - 2025-05-11 13:57:02 Gemini-N / GMOS (ZTF)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-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌PS1_GPC1_w
   
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
21037 2025-05-11 13:57:02 Gemini-N / GMOS Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney ZTF tns_2025kdv_2025-05-11_13-57-02_Gemini-N_GMOS_ZTF_0.ascii Object Reduced using Dragons, no Telluric correction, flux in 10**-18 W/(nm * m**2)
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-05-24 19:38:45 - 2025-05-24 19:38:45 2460820.318582 - 2460820.318582 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491296 2025-05-24 19:38:45 2460820.318582 18.95 0.12 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-2 2025-05-05 04:41:34 - 2025-05-05 04:41:34 2460800.695534 - 2460800.695534 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491295 2025-05-05 04:41:34 2460800.695534 19.3 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-05-06 03:23:59 - 2025-05-06 03:23:59 2460801.64166 - 2460801.64166 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487388 2025-05-06 03:23:59 2460801.64166 19.44 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-04-29 08:07:48 - 2025-04-29 08:07:48 2460794.83875 - 2460794.83875 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489546 2025-04-29 08:07:48 2460794.83875 20.54 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-05-13 08:19:29 - 2025-05-13 08:19:29 2460808.8468634 - 2460808.8468634 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489547 2025-05-13 08:19:29 2460808.8468634 18.97 0.12 19.84 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
g-ZTF P48_ZTF-Cam 2025-04-30 11:30:51 - 2025-05-10 10:58:12 2460795.9797569 - 2460805.9570833 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487750 2025-05-10 10:58:12 2460805.9570833 19.0904 0.155803 ABMag g-ZTF P48_ZTF-Cam
487749 2025-05-08 11:03:53 2460803.9610301 19.3175 0.143678 ABMag g-ZTF P48_ZTF-Cam
487748 2025-04-30 11:30:51 2460795.9797569 20.2568 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-05-07 13:45:55 - 2025-05-07 13:45:55 2460803.07355 - 2460803.07355 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487389 2025-05-07 13:45:55 2460803.07355 19.169 0.161 19.5 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
w-P1 PS1_GPC1 2025-05-31 12:51:10 - 2025-05-31 12:51:10 2460827.03553 - 2460827.03553 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495199 2025-05-31 12:51:10 2460827.03553 19.8 0.07 22 ABMag w-P1 PS1_GPC1 45 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
258564 2025-06-14 20:14:42 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 21:10:05.942 -08:28:43.00 2025-05-31 12:51:09.792 19.8 w-P1 PSN PS25djc Pan-STARRS N
256624 2025-05-25 08:36:47 GOTO_bot A. Kumar, D. O'Neill, K. Ackley et al. GOTO GOTO 21:10:05.963 -08:28:42.85 2025-05-24 19:38:45.312 18.95 L-GOTO Other GOTO25dbd GOTO N
255691 2025-05-21 20:34:03 BlackGEM_Bot1 P. Groot, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 21:10:05.973 -08:28:43.33 2025-05-13 08:19:29.000 18.97 BG-q-BlackGem 1 PSN BGEM J211005.97-082843.3 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025kdv_atrep_255691_BlackGEM.pdf Finding Chart 2025-05-21 20:34:05 BlackGEM_Bot1
254724 2025-05-10 14:10:40 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 21:10:05.937 -08:28:42.89 2025-05-08 11:03:53.000 19.3175 g-ZTF PSN ZTF25aaprwcj ZTF N
254555 2025-05-08 09:45:33 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 21:10:05.887 -08:28:42.83 2025-05-07 13:45:54.720 19.169 cyan-ATLAS PSN ATLAS25evy ATLAS 2025TNSTR1706....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
21037 2025-05-14 00:40:02 Jonathan Carney Jonathan Carney (UNC), Igor Andreoni (UNC), Robert Stein (UMD) ZTF SN Ia 0.0842 1 ZTF Classification from SNID. Redshift from galaxy lines. 2025TNSCR1786....1C
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
21037 2025-05-11 13:57:02 Gemini-N / GMOS Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney ZTF tns_2025kdv_2025-05-11_13-57-02_Gemini-N_GMOS_ZTF_0.ascii Object Reduced using Dragons, no Telluric correction, flux in 10**-18 W/(nm * m**2)

Comments

TNS
System

Sat, 06/14/2025 - 20:14

Object coordinates updated

Object coordinates updated according to AT-report 258564 of Group Pan-STARRS
Previous RA, DEC: 21:10:05.937, -08:28:42.89 (317.5247357, -8.4785806)
Updated RA, DEC: 21:10:05.942, -08:28:43.00 (317.524758343, -8.47861036768)

TNS
System

Sat, 05/10/2025 - 14:10

Object coordinates updated

Object coordinates updated according to AT-report 254724 of Group ZTF
Previous RA, DEC: 21:10:05.887, -08:28:42.83 (317.52453, -8.478564)
Updated RA, DEC: 21:10:05.937, -08:28:42.89 (317.5247357, -8.4785806)