RA/DEC (2000)
02:57:38.920 +02:44:24.22
44.412167 +2.740061
Type
SN IIb
Redshift
0.02
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2023-12-10 08:57:44.352
TNS AT
Y
Public
Y
Discovery Mag
19.309
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson, H. Stevance, S. Ramaiya, J. Gillanders (Oxford)

Spectra

 SN_2023zop - 2023-12-18 21:08:00 BL41 / FOSC-E5535 (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 PS2_GPC2_w
 ATLAS-STH_ATLAS-03_orange
 P48_ZTF-Cam_r
 Gaia_Gaia-photometric_G
 ATLAS-HKO_ATLAS-02_cyan
   
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
16338 2023-12-18 21:08:00 BL41 / FOSC-E5535 10800 Claudio Balcon Claudio Balcon None tns_2023zop_2023-12-18_21-08-00_Other_Other.dat tns_2023zop_2023-12-18_21-08-00_Other_Other.fit Object We obtained the low-resolution spectrum using the FOSC-ES32 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2023-12-17 06:52:42 - 2023-12-17 06:52:42 2460295.7866 - 2460295.7866 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
380952 2023-12-17 06:52:42 2460295.7866 17.89 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2023-12-08 20:57:47 - 2023-12-08 20:57:47 2460287.37346 - 2460287.37346 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
378666 2023-12-08 20:57:47 2460287.37346 19.23 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2023-11-15 08:41:17 - 2023-12-12 04:53:46 2460263.862 - 2460290.704 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
378702 2023-12-12 04:53:46 2460290.704 18.48 ABMag r-ZTF P48_ZTF-Cam 30 ZTF
378701 2023-12-06 04:19:12 2460284.68 20.43 ABMag r-ZTF P48_ZTF-Cam 30 ZTF
380949 2023-12-06 04:18:44 2460284.6796759 20.4301 0.229267 20.4678 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
378700 2023-11-15 08:41:17 2460263.862 20.38 ABMag r-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
G-Gaia Gaia_Gaia-photometric 2023-09-09 22:09:07 - 2024-01-16 22:32:10 2460197.423 - 2460326.439 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
387084 2024-01-16 22:32:10 2460326.439 18.51 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
387083 2023-09-09 22:09:07 2460197.423 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2023-12-10 08:57:44 - 2023-12-10 08:57:44 2460288.87343 - 2460288.87343 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
378667 2023-12-10 08:57:44 2460288.87343 19.309 0.164 19.57 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 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
200275 2024-01-21 15:20:44 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 02:57:38.920 +02:44:24.22 2024-01-16 22:32:09.600 18.51 G-Gaia PSN Gaia24agw GaiaAlerts Confirmed SN IIb N
196769 2023-12-17 17:35:10 PS1_Bot1 K. C. Chambers, T. de Boer, J. Herman et al. Pan-STARRS Pan-STARRS 02:57:38.914 +02:44:24.26 2023-12-17 06:52:42.240 17.89 w-P1 PSN PS23lxs Pan-STARRS N
196767 2023-12-17 17:10:21 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 02:57:38.921 +02:44:24.20 2023-12-06 04:18:43.998 20.4301 r-ZTF PSN ZTF23abtdizt Fink Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF23abtdizt N
195943 2023-12-12 05:33:27 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration ZTF ZTF 02:57:38.920 +02:44:24.23 2023-12-06 04:19:12.000 20.43 r-ZTF PSN ZTF23abtdizt ZTF N
195926 2023-12-12 00:06:04 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 02:57:38.924 +02:44:23.86 2023-12-10 08:57:44.352 19.309 cyan-ATLAS PSN ATLAS23xcz ATLAS 2023TNSTR3206....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
16252 2023-12-18 23:20:06 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None SN IIb 0.02 1 GELATO (Harutyunyan et al., 2008, A&A, 488, 383) and DASH (Muthukrishna et al., 2019, ApJ, 885, 85) suggest that this spectrum resembles that of type IIb supernova. The redshift has been deduced from the SN spectral fitting. 2023TNSCR3314....1B
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
16338 2023-12-18 21:08:00 BL41 / FOSC-E5535 10800 Claudio Balcon Claudio Balcon None tns_2023zop_2023-12-18_21-08-00_Other_Other.dat tns_2023zop_2023-12-18_21-08-00_Other_Other.fit Object We obtained the low-resolution spectrum using the FOSC-ES32 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 200275 of Group GaiaAlerts
Previous RA, DEC: 02:57:38.914, +02:44:24.26 (44.4121412937, +2.74007354999)
Updated RA, DEC: 02:57:38.920, +02:44:24.22 (44.412167, 2.740061)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 196769 of Group Pan-STARRS
Previous RA, DEC: 02:57:38.921, +02:44:24.20 (44.4121694, +2.7400542)
Updated RA, DEC: 02:57:38.914, +02:44:24.26 (44.4121412937, 2.74007354999)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 196767 of Group ZTF
Previous RA, DEC: 02:57:38.920, +02:44:24.23 (44.4121651, +2.740063)
Updated RA, DEC: 02:57:38.921, +02:44:24.20 (44.4121694, 2.7400542)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 195943 of Group ZTF
Previous RA, DEC: 02:57:38.924, +02:44:23.86 (44.412182, +2.739962)
Updated RA, DEC: 02:57:38.920, +02:44:24.23 (44.4121651, 2.740063)