RA/DEC (2000)
12:43:32.240 -41:21:57.56
190.884333 -41.365989
Type
SN Ia-91bg-like
Redshift
0.007
Discovery ReportClassification Report
Related AstroNotes: 2022-8
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2022-01-04 06:00:00.000
TNS AT
Y
Public
Y
Host Name
NGC 4645B
Host Redshift
0.007397
Discovery Mag
16.4
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2022an - 2022-01-07 12:00:00 SOAR / Goodman (None)z=
▌Show H at z=vexp= km/s
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▌Show O at z=vexp= km/s
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▌Show Mg at z=vexp= km/s
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▌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
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▌Show Tellurics 
▌Show Galaxy lines at z=
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▌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

 ▌ATLAS-STH_ATLAS-03_cyan
 ▌ASASSN-3_Paczynski_g
 ▌Gaia_Gaia-photometric_G
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌ASASSN-2_Cassius_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
11688 2022-01-07 12:00:00 SOAR / Goodman SOAR None tns_2022an_2022-01-07_12-00-00_SOAR_Goodman.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-STH_ATLAS-03 2022-01-07 02:31:12 - 2022-01-07 02:31:12 2459586.605 - 2459586.605 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
261042 2022-01-07 02:31:12 2459586.605 17.21 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
g-Sloan ASASSN-3_Paczynski 2021-12-23 08:09:36 - 2021-12-23 08:09:36 2459571.84 - 2459571.84 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
260441 2021-12-23 08:09:36 2459571.84 16.9 ABMag g-Sloan ASASSN-3_Paczynski [Last non detection]
G-Gaia Gaia_Gaia-photometric 2021-08-09 04:06:14 - 2022-01-01 06:01:26 2459435.671 - 2459580.751 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
263186 2022-01-01 06:01:26 2459580.751 16.07 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
263185 2021-08-09 04:06:14 2459435.671 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2022-01-10 15:07:12 - 2022-01-10 15:07:12 2459590.13 - 2459590.13 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
261043 2022-01-10 15:07:12 2459590.13 16.596 0.04 19.27 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
g-Sloan ASASSN-2_Cassius 2022-01-04 06:00:00 - 2022-01-04 06:00:00 2459583.75 - 2459583.75 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
260442 2022-01-04 06:00:00 2459583.75 16.4 ABMag g-Sloan ASASSN-2_Cassius
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
135205 2022-01-30 12:50:44 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 12:43:32.240 -41:21:57.56 2022-01-01 06:01:26.400 16.07 G-Gaia PSN Gaia22ajh GaiaAlerts Confirmed SN Ia-91bg-like N
133678 2022-01-11 10:19:23 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:43:32.256 -41:21:57.83 2022-01-10 15:07:12.000 16.596 cyan-ATLAS PSN ATLAS22bhv ATLAS N
133354 2022-01-05 00:29:12 Krzysztof Stanek K. Z. Stanek, for the ASAS-SN team ASAS-SN ASAS-SN 12:43:32.239 -41:21:56.74 2022-01-04 06:00:00.000 16.4 g-Sloan PSN NGC 4645B ASASSN-22ac ASAS-SN Present in several epochs 2022TNSTR..29....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
11634 2022-01-08 16:25:21 Wynn Jacobson-Galan Wynn Jacobson-Galán None SN Ia-91bg-like 0.007 1 2022TNSCR..68....1J
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
11688 2022-01-07 12:00:00 SOAR / Goodman SOAR None tns_2022an_2022-01-07_12-00-00_SOAR_Goodman.txt Object

Comments

TNS
System

Sun, 01/30/2022 - 12:30

Object coordinates updated

Object coordinates updated according to AT-report 135205 of Group GaiaAlerts
Previous RA, DEC: 12:43:32.256, -41:21:57.83 (190.884400588, -41.3660635294)
Updated RA, DEC: 12:43:32.240, -41:21:57.56 (190.884333, -41.365989)

TNS
System

Tue, 01/11/2022 - 09:30

Object coordinates updated

Object coordinates updated according to AT-report 133678 of Group ATLAS
Previous RA, DEC: 12:43:32.239, -41:21:56.74 (190.88433, -41.36576)
Updated RA, DEC: 12:43:32.256, -41:21:57.83 (190.884400588, -41.3660635294)