RA/DEC (2000)
21:10:05.937 -08:28:42.89
317.5247357 -8.4785806
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

 ▌ATLAS-STH_ATLAS-03_cyan
 ▌P48_ZTF-Cam_g
 ▌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
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
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]
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
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
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 Add 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, 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)