RA/DEC (2000)
06:05:01.054 -14:06:14.79
91.2543926 -14.1041089
Type
SN II
Redshift
0.01
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-08 14:10:46.848
TNS AT
Y
Public
Y
Discovery Mag
17.506
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), M. R. Alarcón, J. Licandro, P. Nichita (IAC), 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_2025xdn - 2025-09-10 14:32:06 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-S_GOTO-4_L
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
22004 2025-09-10 14:32:06 UH88 / SNIFS 1800 Hinkle SCAT tns_2025xdn_2025-09-10_14-32-06_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-09-01 19:04:16 - 2025-09-14 18:43:52 2460920.294626 - 2460933.280463 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517636 2025-09-14 18:43:52 2460933.280463 17.35 0.03 ABMag L-GOTO GOTO-S_GOTO-4 180
517635 2025-09-01 19:04:16 2460920.294626 20.2 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-09-20 12:03:24 - 2025-09-24 11:09:45 2460939.0023611 - 2460942.9651042 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519647 2025-09-24 11:09:45 2460942.9651042 17.4545 0.0452645 ABMag g-ZTF P48_ZTF-Cam
519646 2025-09-20 12:03:24 2460939.0023611 17.5016 0.0176931 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-07 14:58:37 - 2025-09-08 14:10:47 2460926.12404 - 2460927.09082 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516220 2025-09-08 14:10:47 2460927.09082 17.506 0.143 18.61 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
516219 2025-09-07 14:58:37 2460926.12404 18.7 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
271184 2025-09-24 11:37:08 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 06:05:01.054 -14:06:14.79 2025-09-20 12:03:23.999 17.5016 g-ZTF PSN ZTF25absjpon ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
270279 2025-09-16 07:13:14 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 06:05:01.064 -14:06:14.98 2025-09-14 18:43:51.744 17.35 L-GOTO Other GOTO25hbn GOTO N
269581 2025-09-09 12:29:41 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 06:05:01.047 -14:06:14.70 2025-09-08 14:10:46.848 17.506 orange-ATLAS PSN ATLAS25lde ATLAS 2025TNSTR3630....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
22004 2025-09-11 12:32:06 Jason Hinkle Jason Hinkle (UIUC) on behalf of SCAT SCAT SN II 0.01 1 SCAT 2025TNSCR3660....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
22004 2025-09-10 14:32:06 UH88 / SNIFS 1800 Hinkle SCAT tns_2025xdn_2025-09-10_14-32-06_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Wed, 09/24/2025 - 11:37

Object coordinates updated

Object coordinates updated according to AT-report 271184 of Group ZTF
Previous RA, DEC: 06:05:01.047, -14:06:14.70 (91.2543636364, -14.1040845455)
Updated RA, DEC: 06:05:01.054, -14:06:14.79 (91.2543926, -14.1041089)