RA/DEC (2000)
11:23:40.021 -22:16:09.17
170.916756027 -22.269212988
Type
SN Ic
Redshift
0.02731
Discovery ReportClassification Report
Related AstroNotes: 2025-15
Reporting Group
Pan-STARRS
Discovering Data Source
Pan-STARRS
Discovery Date
2025-01-03 15:04:37.344
TNS AT
Y
Public
Y
Discovery Mag
20.16
Filter
w-P1
Reporter/s
K. C. Chambers, T. de Boer, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, H. Gao, P. Minguez (IfA, University of Hawaii), K. W. Smith, D. R. Young, S. Srivastav, M. Fulton, S. J. Smartt, M. Nicholl, T. Moore, J. Weston, C. R. Angus, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025gc - 2025-01-08 06:53:17 VLT-UT1 / FORS2 (adH0cc)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

 ▌PS1_GPC1_w
   
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
20123 2025-01-08 06:53:17 VLT-UT1 / FORS2 1000 service Geza Csoernyei adH0cc tns_2025gc_2460683.787_VLT-UT1_FORS2_adH0cc.asci tns_2025gc_2460683.787_VLT-UT1_FORS2_adH0cc.fits Object Quick-reduction spectrum
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS1_GPC1 2025-01-03 15:04:37 - 2025-01-03 15:04:37 2460679.12821 - 2460679.12821 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461609 2025-01-03 15:04:37 2460679.12821 20.16 0.08 22 ABMag w-P1 PS1_GPC1 45 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
240787 2025-01-08 12:04:32 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 11:23:40.021 -22:16:09.17 2025-01-03 15:04:37.344 20.16 w-P1 PSN PS25bb Pan-STARRS 2025TNSTR.110....1C N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20123 2025-01-11 06:19:25 Geza Csornyei G. Csoernyei, B. Leibundgut, J. Spyromilio (ESO), S. Taubenberger (TUM / MPA), W. Hillebrandt (MPA), S. Blondin (CNRS, LAM / ESO) adH0cc SN Ic 0.02731 1 adH0cc We have obtained an optical spectrum of SN 2025gc, which shows it to be a Type Ic supernova exhibiting SN 1998bw-like features. The spectrum shows broad Ca emission and is matched well by the spectra of 1997ef 35 to 45 days after maximum. 2025TNSCR.157....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
20123 2025-01-08 06:53:17 VLT-UT1 / FORS2 1000 service Geza Csoernyei adH0cc tns_2025gc_2460683.787_VLT-UT1_FORS2_adH0cc.asci tns_2025gc_2460683.787_VLT-UT1_FORS2_adH0cc.fits Object Quick-reduction spectrum

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