RA/DEC (2000)
02:02:53.957 -04:07:19.31
30.7248213 -4.1220318
Type
SN Ia
Redshift
0.0435
Related AstroNotes: 2021-51
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2021-01-31 05:45:36.000
TNS AT
Y
Public
Y
Host Name
WISEA J020253.98-040719.6
Host Redshift
0.0435
Discovery Mag
17
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team

Spectra

 SN_2021bkm - 2021-02-04 00:50:02 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
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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
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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_g
 ASASSN-4_Leavitt_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_orange
 ASASSN-1_Brutus_g
   
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
8771 2021-02-04 00:50:02 ESO-NTT / EFOSC2-NTT 300 M. Magee, J. Terwel S. Prentice, L. Harvey ePESSTO+ tns_2021bkm_2021-02-04_00-50-02_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2021bkm_2021-02-04_00-50-02_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-ZTF P48_ZTF-Cam 2021-01-16 03:59:02 - 2021-02-03 03:05:46 2459230.666 - 2459248.629 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
189492 2021-02-03 03:05:46 2459248.629 16.97 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
189491 2021-01-18 02:44:10 2459232.614 19.2 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
189490 2021-01-16 03:59:02 2459230.666 20.14 ABMag g-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
g-Sloan ASASSN-4_Leavitt 2021-01-26 03:21:36 - 2021-01-26 03:21:36 2459240.64 - 2459240.64 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
189044 2021-01-26 03:21:36 2459240.64 17.1 ABMag g-Sloan ASASSN-4_Leavitt [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-01-30 05:15:22 - 2021-01-30 05:15:22 2459244.719 - 2459244.719 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
189340 2021-01-30 05:15:22 2459244.719 17.382 0.044 19.53 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-01-28 07:07:41 - 2021-01-28 07:07:41 2459242.797 - 2459242.797 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
189339 2021-01-28 07:07:41 2459242.797 18.01 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
g-Sloan ASASSN-1_Brutus 2021-01-31 05:45:36 - 2021-01-31 05:45:36 2459245.74 - 2459245.74 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
189045 2021-01-31 05:45:36 2459245.74 17 ABMag g-Sloan ASASSN-1_Brutus
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
98215 2021-02-03 20:00:46 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration ZTF ZTF 02:02:53.957 -04:07:19.31 2021-01-18 02:44:09.600 19.2 g-ZTF PSN ZTF18abrbywo ZTF N
98156 2021-02-03 16:51:21 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 02:02:53.999 -04:07:19.51 2021-01-30 05:15:21.600 17.382 orange-ATLAS PSN ATLAS18bcmp ATLAS N
98005 2021-01-31 14:18:03 Krzysztof Stanek K. Z. Stanek, for the ASAS-SN team ASAS-SN ASAS-SN 02:02:54.053 -04:07:18.41 2021-01-31 05:45:36.000 17 g-Sloan PSN WISEA J020253.98-040719.6 ASASSN-21an ASAS-SN Present in several epochs, on the rise 2021TNSTR.291....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
8759 2021-02-04 19:32:05 ePESSTOplus_Bot1 M. Magee, J. Terwel, S. Prentice, L. Harvey, N. L. Strotjohann on behalf of ePESSTO+ ePESSTO+ SN Ia 0.0435 1 ePESSTO+ 2021TNSCR.338....1M
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
8771 2021-02-04 00:50:02 ESO-NTT / EFOSC2-NTT 300 M. Magee, J. Terwel S. Prentice, L. Harvey ePESSTO+ tns_2021bkm_2021-02-04_00-50-02_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2021bkm_2021-02-04_00-50-02_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 98215 of Group ZTF
Previous RA, DEC: 02:02:53.999, -04:07:19.51 (30.7249945833, -4.12208541667)
Updated RA, DEC: 02:02:53.957, -04:07:19.31 (30.7248213, -4.1220318)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 98156 of Group ATLAS
Previous RA, DEC: 02:02:54.053, -04:07:18.41 (30.72522, -4.12178)
Updated RA, DEC: 02:02:53.999, -04:07:19.51 (30.7249945833, -4.12208541667)