RA/DEC (2000)
17:40:51.370 +66:12:22.75
265.214042 +66.206319
Type
SN IIb
Redshift
0.025
Related AstroNotes: 2023-97, 2023-111, 2026-201
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2023-01-23 12:15:50.003
TNS AT
Y
Public
Y
Host Name
SDSS J174050.55+661220.7
Discovery Mag
18.0549
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, E. Camacho, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, A. Moya E. Reyes, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

Spectra

 SN_2023aew - 2023-01-27 12:26:02 P60 / SEDM (ZTF)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

 P48_ZTF-Cam_r
 Gaia_Gaia-photometric_G
 ATLAS-HKO_ATLAS-02_orange
 Other_Other_Clear
   
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
14719 2023-01-27 12:26:02 P60 / SEDM 2250 Jesper Sollerman ZTF tns_2023aew_2023-01-27_12-26-02.340873_P60_SEDM_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2023-01-23 12:15:50 - 2023-01-23 12:15:50 2459968.0109954 - 2459968.0109954 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
326222 2023-01-23 12:15:50 2459968.0109954 18.0549 0.0941619 19.5619 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
G-Gaia Gaia_Gaia-photometric 2022-12-18 13:24:58 - 2023-01-21 06:48:58 2459932.059 - 2459965.784 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
329656 2023-01-21 06:48:58 2459965.784 18.16 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
329655 2022-12-18 13:24:58 2459932.059 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2022-12-02 05:17:09 - 2023-03-12 14:21:09 2459915.72024 - 2460016.09802 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
331444 2023-03-12 14:21:09 2460016.09802 18.718 0.162 18.92 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
331443 2022-12-02 05:17:09 2459915.72024 18.75 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
Clear- Other_Other 2016-09-11 13:52:51 - 2023-05-04 17:30:23 2457643.07837 - 2460069.22943 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
340917 2023-05-04 17:30:23 2460069.22943 16.4 18.4 VegaMag Clear- Other_Other 180 Robot MASTER-Amur
340916 2023-05-04 17:23:43 2460069.2248 16.4 18.3 VegaMag Clear- Other_Other 180 Robot MASTER-Amur
340915 2016-09-11 13:52:51 2457643.07837 19.9 VegaMag Clear- Other_Other 180 Robot [Last non detection] MASTER-Amur
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
176763 2023-05-05 06:44:48 MASTER Ya.Kechin, V. Lipunov, V.Kornilov et al. MASTER MASTER 17:40:51.270 +66:12:22.70 2023-05-04 17:23:42.720 16.4 Clear- PSN MASTER OT J174051.27+661222.7 MASTER N
172030 2023-03-12 17:41:27 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 17:40:51.384 +66:12:22.50 2023-03-12 14:21:08.928 18.718 orange-ATLAS PSN ATLAS23dnr ATLAS N
171005 2023-02-18 11:27:17 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 17:40:51.370 +66:12:22.75 2023-01-21 06:48:57.600 18.16 G-Gaia PSN Gaia23ate GaiaAlerts Candidate SN near galaxy SDSS J174050.59+661220.7 N
169355 2023-01-23 18:36:50 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 17:40:51.395 +66:12:22.62 2023-01-23 12:15:50.003 18.0549 r-ZTF PSN SDSS J174050.55+661220.7 ZTF23aaawbsc ALeRCE SN candidate 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/ZTF23aaawbsc 2023TNSTR.166....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
14645 2023-04-09 16:25:07 Jacob Wise Jacob Wise (LJMU), K-Ryan Hinds (LJMU), Daniel Perley (LJMU) ZTF SN IIb 0.025 1 ZTF Convincing match to SN IIb template at z = 0.025 +/- 0.005. Classification performed by Superfit (Howell et al. 2005). 2023TNSCR.750....1W
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
14719 2023-01-27 12:26:02 P60 / SEDM 2250 Jesper Sollerman ZTF tns_2023aew_2023-01-27_12-26-02.340873_P60_SEDM_ZTF.txt Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 171005 of Group GaiaAlerts
Previous RA, DEC: 17:40:51.395, +66:12:22.62 (265.214146, +66.2062827)
Updated RA, DEC: 17:40:51.370, +66:12:22.75 (265.214042, 66.206319)