RA/DEC (2000)
16:26:36.660 +39:51:31.07
246.65275 +39.858631
Type
SN Ia
Redshift
0.031
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2021-12-30 12:28:48.000
TNS AT
Y
Public
Y
Host Name
PGC2156782
Host Redshift
0.031358
Comments
[Object cross-matched with PGC2156782]
Discovery Mag
17.2
Filter
g-Sloan
Reporter/s
K. Z. Stanek, C. Christy, for the ASAS-SN team

Spectra

 ▌SN_2021ahot - 2022-01-17 15:24:24 UH88 / SNIFS (SCAT)z=
▌Show H at z=vexp= km/s
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▌Show [Ca II] 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ASASSN-4_Leavitt_g
 ▌Gaia_Gaia-photometric_G
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌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
11765 2022-01-17 15:24:24 UH88 / SNIFS 1800 Tucker Tucker SCAT tns_2021ahot_2459597.141939_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2018-04-21 09:45:18 - 2018-04-21 09:45:18 2458229.90646 - 2458229.90646 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
262016 2018-04-21 09:45:18 2458229.90646 20.4569 ABMag r-ZTF P48_ZTF-Cam 30 None [Last non detection]
g-ZTF P48_ZTF-Cam 2022-01-21 11:23:23 - 2022-01-21 11:23:23 2459600.97457 - 2459600.97457 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
262017 2022-01-21 11:23:23 2459600.97457 18.3253 19.4462 ABMag g-ZTF P48_ZTF-Cam 30 None
g-Sloan ASASSN-4_Leavitt 2021-12-25 12:43:12 - 2021-12-30 12:28:48 2459574.03 - 2459579.02 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
260997 2021-12-30 12:28:48 2459579.02 17.2 ABMag g-Sloan ASASSN-4_Leavitt
260996 2021-12-25 12:43:12 2459574.03 16.3 ABMag g-Sloan ASASSN-4_Leavitt [Last non detection]
G-Gaia Gaia_Gaia-photometric 2021-10-31 18:40:19 - 2022-01-09 22:26:24 2459519.278 - 2459589.435 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
261320 2022-01-09 22:26:24 2459589.435 16.7 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
261319 2021-10-31 18:40:19 2459519.278 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2022-01-11 15:10:05 - 2022-01-11 15:10:05 2459591.132 - 2459591.132 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
261887 2022-01-11 15:10:05 2459591.132 17.448 0.061 19.16 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-10-21 05:38:24 - 2021-10-21 05:38:24 2459508.735 - 2459508.735 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
261886 2021-10-21 05:38:24 2459508.735 18.44 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
g-Sloan ASASSN-2_Cassius 2022-01-07 15:07:12 - 2022-01-07 15:07:12 2459587.13 - 2459587.13 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
260998 2022-01-07 15:07:12 2459587.13 17 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
134397 2022-01-21 18:02:56 ZTF_CLU_PUBLIC K. De (Caltech) on behalf of ZTF ZTF ZTF 16:26:36.664 +39:51:31.04 2022-01-21 11:23:22.848 18.3253 g-ZTF PSN ZTF18aanlyba ZTF N
134325 2022-01-20 10:41:19 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:26:36.654 +39:51:31.31 2022-01-11 15:10:04.800 17.448 orange-ATLAS PSN ATLAS18bcni ATLAS N
133906 2022-01-13 09:15:26 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 16:26:36.660 +39:51:31.07 2022-01-09 22:26:24.000 16.7 G-Gaia Other Gaia22ade GaiaAlerts stable source associated with nucleus of galaxy LEDA 2156782 brightens by 1 mag and becomes bluer N
133652 2022-01-10 13:53:39 Krzysztof Stanek K. Z. Stanek, C. Christy, for the ASAS-SN team ASAS-SN ASAS-SN 16:26:36.799 +39:51:30.24 2021-12-30 12:28:48.000 17.2 g-Sloan PSN WISE J162636.63+395131.2 ASASSN-21wm ASAS-SN Present in two epochs 2022TNSTR..77....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
11709 2022-01-17 18:24:27 Michael Tucker M. A. Tucker (IfA, UH Manoa) on behalf of the SCAT team SCAT SN Ia 0.031 1 SCAT Redshift from SDSS. 2022TNSCR.137....1T
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
11765 2022-01-17 15:24:24 UH88 / SNIFS 1800 Tucker Tucker SCAT tns_2021ahot_2459597.141939_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 133906 of Group GaiaAlerts
Previous RA, DEC: 16:26:36.799, +39:51:30.24 (246.65333, +39.8584)
Updated RA, DEC: 16:26:36.660, +39:51:31.07 (246.65275, 39.858631)