RA/DEC (2000)
20:18:22.288 -27:27:05.15
304.592866811 -27.4514300971
Type
SN II
Redshift
0.02016
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-26 03:36:24.192
TNS AT
Y
Public
Y
Discovery Mag
18.679
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_2025ghd - 2025-05-07 19:12:00 ANU-2.3m / WiFeS (DEBASS)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
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_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
21055 2025-05-07 19:12:00 ANU-2.3m / WiFeS 1200 Robotic Bailey Martin DEBASS tns_2025ghd_2025-05-07.8_ANU-2.3m_WiFeS_DEBASS.dat tns_2025ghd_2025-05-07.8_ANU-2.3m_WiFeS_DEBASS.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-03-13 18:39:17 - 2025-04-02 17:43:00 2460748.27728 - 2460768.238197 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480644 2025-04-02 17:43:00 2460768.238197 19.36 0.13 ABMag L-GOTO GOTO-S_GOTO-3 180
480643 2025-03-13 18:39:17 2460748.27728 19 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2025-04-05 14:52:45 - 2025-04-05 14:52:45 2460771.11997 - 2460771.11997 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487753 2025-04-05 14:52:45 2460771.11997 19.04 0.06 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-03-23 09:37:24 - 2025-03-23 09:37:24 2460757.90097 - 2460757.90097 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479898 2025-03-23 09:37:24 2460757.90097 18.25 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-03-26 03:36:24 - 2025-03-26 03:36:24 2460760.65028 - 2460760.65028 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479899 2025-03-26 03:36:24 2460760.65028 18.679 0.18 18.93 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 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
254727 2025-05-10 14:53:07 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 20:18:22.288 -27:27:05.15 2025-04-05 14:52:45.408 19.04 w-P1 PSN PS25coy Pan-STARRS N
250852 2025-04-04 08:44:40 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 20:18:22.278 -27:27:04.96 2025-04-02 17:43:00.480 19.36 L-GOTO Other GOTO25blb GOTO N
250377 2025-03-31 13:16:05 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 20:18:22.289 -27:27:05.28 2025-03-26 03:36:24.192 18.679 orange-ATLAS PSN ATLAS25djl ATLAS 2025TNSTR1210....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
21055 2025-05-19 01:02:45 Bailey Martin B. Martin (ANU), K. Auchettl (University of Melbourne/UCSC), B. P. Schmidt (ANU), P. Armstrong (ANU), D. Cao (ANU), C. Lidman (ANU), L. Rauf (ANU), J. Shi (University of Melbourne), and B. E. Tucker (ANU) DEBASS SN II 0.02016 1 1 DEBASS Classified with superfit. The best fitting spectrum is SN 1997C, a Type II. 2025TNSCR1841....1M
Related files
File Comments Last Modified (UT) Modified By
tns_2025ghd_atrep_21055_DEBASS.pdf The best fitting spectrum from superfit. 2025-05-19 01:02:46 Bailey Martin
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
21055 2025-05-07 19:12:00 ANU-2.3m / WiFeS 1200 Robotic Bailey Martin DEBASS tns_2025ghd_2025-05-07.8_ANU-2.3m_WiFeS_DEBASS.dat tns_2025ghd_2025-05-07.8_ANU-2.3m_WiFeS_DEBASS.fits Object

Comments

TNS
System

Sat, 05/10/2025 - 14:53

Object coordinates updated

Object coordinates updated according to AT-report 254727 of Group Pan-STARRS
Previous RA, DEC: 20:18:22.289, -27:27:05.28 (304.592869231, -27.4514653846)
Updated RA, DEC: 20:18:22.288, -27:27:05.15 (304.592866811, -27.4514300971)