RA/DEC (2000)
23:18:29.897 +36:01:00.22
349.62457064116 +36.016728222598
Type
SN Ia
Redshift
0.05
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-13 13:18:04.608
TNS AT
Y
Public
Y
Discovery Mag
18.229
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_2025nly - 2025-06-14 12:36:52 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_r
 ▌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
21301 2025-06-14 12:36:52 UH88 / SNIFS 1800 Desai SCAT tns_2025nly_2460841.0256_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-06-08 02:52:00 - 2025-06-11 03:34:27 2460834.619442 - 2460837.648922 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495610 2025-06-11 03:34:27 2460837.648922 18.83 0.22 ABMag L-GOTO GOTO-N_GOTO-2 180
495609 2025-06-08 02:52:00 2460834.619442 18.8 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-31 11:06:24 - 2025-06-20 10:21:20 2460826.9627778 - 2460846.9314815 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497112 2025-06-20 10:21:20 2460846.9314815 18.0356 0.0468458 20.3053 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
497110 2025-06-15 09:49:14 2460841.9091898 18.1624 0.0674494 20.0978 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
497109 2025-05-31 11:06:24 2460826.9627778 16.2101 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-06-03 09:13:29 - 2025-06-20 10:50:17 2460829.8843634 - 2460846.9515856 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497113 2025-06-20 10:50:17 2460846.9515856 18.0728 0.0531038 20.3672 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
495285 2025-06-15 10:42:24 2460841.9461111 18.257 0.0603907 ABMag g-ZTF P48_ZTF-Cam
497111 2025-06-15 10:42:24 2460841.9461111 18.257 0.0603907 19.9801 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
495284 2025-06-05 09:13:27 2460831.8843403 20.3964 0.159367 ABMag g-ZTF P48_ZTF-Cam
495283 2025-06-03 09:13:29 2460829.8843634 20.5728 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-13 13:18:05 - 2025-06-13 13:18:05 2460840.05422 - 2460840.05422 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494918 2025-06-13 13:18:05 2460840.05422 18.229 0.18 18.55 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-11 13:46:27 - 2025-06-11 13:46:27 2460838.07392 - 2460838.07392 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494917 2025-06-11 13:46:27 2460838.07392 17.81 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
259509 2025-06-20 23:26:27 ALeRCE S. Jurado, F.E. Bauer, F. Forster et al. ALeRCE ZTF 23:18:29.897 +36:01:00.22 2025-06-15 09:49:13.999 18.1624 r-ZTF PSN ZTF25aatxsfd ZTF Early SN candidate (g-rise > 0.11+-0.00 mag/day, r-rise > 0.09+-0.00 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aatxsfd N
258785 2025-06-17 05:32:34 GOTO_bot A. Kumar, G. Ramsay, K. Ackley et al. GOTO GOTO 23:18:29.883 +36:00:59.98 2025-06-11 03:34:26.688 18.83 L-GOTO Other GOTO25dnw GOTO N
258620 2025-06-15 10:52:46 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 23:18:29.897 +36:01:00.23 2025-06-05 09:13:27.001 20.3964 g-ZTF PSN ZTF25aatxsfd ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
258416 2025-06-13 23:08:54 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 23:18:29.854 +36:01:00.60 2025-06-13 13:18:04.608 18.229 orange-ATLAS PSN ATLAS25gcg ATLAS 2025TNSTR2203....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
21301 2025-06-14 14:48:40 Dhvanil Desai Dhvanil Desai (on behalf of the SCAT team) SCAT SN Ia 0.05 1 SCAT Redshift estimate from SNID 2025TNSCR2221....1D
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
21301 2025-06-14 12:36:52 UH88 / SNIFS 1800 Desai SCAT tns_2025nly_2460841.0256_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Fri, 06/20/2025 - 23:26

Object coordinates updated

Object coordinates updated according to AT-report 259509 of Group ZTF
Previous RA, DEC: 23:18:29.897, +36:01:00.23 (349.6245722, +36.0167313)
Updated RA, DEC: 23:18:29.897, +36:01:00.22 (349.62457064116, +36.016728222598)

TNS
System

Sun, 06/15/2025 - 10:52

Object coordinates updated

Object coordinates updated according to AT-report 258620 of Group ZTF
Previous RA, DEC: 23:18:29.854, +36:01:00.60 (349.624393333, +36.0168344444)
Updated RA, DEC: 23:18:29.897, +36:01:00.23 (349.6245722, +36.0167313)