RA/DEC (2000)
23:35:34.598 +18:55:52.59
353.8941572 +18.9312740645
Type
SN Ia
Redshift
0.087
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-01 13:36:03.744
TNS AT
Y
Public
Y
Discovery Mag
19.42
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_2025qdm - 2025-07-16 07:10:21 SOAR / Goodman (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

 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_i
 ▌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
21556 2025-07-16 07:10:21 SOAR / Goodman Sarah Teague (UNC), Akash Anumarlapudi (UNC), James Freeburn (UNC) Jonathan Carney (UNC) ZTF tns_2025qdm_2025-07-16_07-10-21_SOAR_Goodman_ZTF.ascii Object Wavelength calibration issue due to mechanical problem.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2025-06-29 13:51:04 - 2025-06-29 13:51:04 2460856.07713 - 2460856.07713 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501693 2025-06-29 13:51:04 2460856.07713 19.39 0.05 22 ABMag w-P1 PS2_GPC2 45 Robot
i-ZTF P48_ZTF-Cam 2025-07-12 08:59:58 - 2025-07-12 08:59:58 2460868.8749769 - 2460868.8749769 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502326 2025-07-12 08:59:58 2460868.8749769 19.193 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-07-12 09:27:45 - 2025-07-13 08:53:37 2460868.8942708 - 2460869.8705671 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502328 2025-07-13 08:53:37 2460869.8705671 18.9851 0.113863 ABMag g-ZTF P48_ZTF-Cam
502327 2025-07-12 09:27:45 2460868.8942708 19.0256 0.153875 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-27 14:33:28 - 2025-07-01 13:36:04 2460854.10657 - 2460858.06671 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500486 2025-07-01 13:36:04 2460858.06671 19.42 0.195 19.56 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
500485 2025-06-27 14:33:28 2460854.10657 18.26 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
262396 2025-07-13 11:20:56 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 23:35:34.586 +18:55:52.34 2025-07-12 09:27:44.997 19.0256 g-ZTF PSN ZTF25abbanep ZTF N
261987 2025-07-10 08:57:13 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 23:35:34.598 +18:55:52.59 2025-06-29 13:51:04.032 19.39 w-P1 PSN PS25ets Pan-STARRS N
261334 2025-07-03 08:29:24 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 23:35:34.581 +18:55:52.51 2025-07-01 13:36:03.744 19.42 orange-ATLAS PSN ATLAS25gvu ATLAS 2025TNSTR2534....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
21556 2025-07-18 14:51:19 Jonathan Carney Jonathan Carney (UNC), Sarah Teague (UNC), Akash Anumarlapudi (UNC), James Freeburn (UNC), Igor Andreoni (UNC), Robert Stein (UMD), Xander Hall (CMU) ZTF SN Ia 0.087 1 ZTF Classification from SNID, redshift from DESI. 2025TNSCR2765....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
21556 2025-07-16 07:10:21 SOAR / Goodman Sarah Teague (UNC), Akash Anumarlapudi (UNC), James Freeburn (UNC) Jonathan Carney (UNC) ZTF tns_2025qdm_2025-07-16_07-10-21_SOAR_Goodman_ZTF.ascii Object Wavelength calibration issue due to mechanical problem.

Comments

TNS
System

Thu, 07/10/2025 - 08:57

Object coordinates updated

Object coordinates updated according to AT-report 261987 of Group Pan-STARRS
Previous RA, DEC: 23:35:34.581, +18:55:52.51 (353.894089, +18.931252)
Updated RA, DEC: 23:35:34.598, +18:55:52.59 (353.8941572, +18.9312740645)