RA/DEC (2000)
11:53:19.020 +20:06:30.89
178.32925 +20.108581
Type
SN II
Redshift
0.022
Related AstroNotes: 2021-88
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-03-18 09:31:40.800
TNS AT
Y
Public
Y
Discovery Mag
18.386
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)

Spectra

 SN_2021gdz - 2021-03-20 08:48:50 UH88 / SNIFS (SCAT)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
 Gaia_Gaia-photometric_G
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_cyan
 PS1_GPC1_i
 PS1_GPC1_w
   
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
9186 2021-03-20 08:48:50 UH88 / SNIFS 2000 mHuber SCAT tns_2021gdz_2459293.867251_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2021-03-18 11:35:31 - 2021-03-18 11:35:31 2459291.983 - 2459291.983 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
199649 2021-03-18 11:35:31 2459291.983 18.32 0.05 22 ABMag w-P1 PS2_GPC2 45 Robot
G-Gaia Gaia_Gaia-photometric 2021-01-24 03:59:02 - 2021-04-28 06:05:46 2459238.666 - 2459332.754 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
209017 2021-04-28 06:05:46 2459332.754 17.66 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
209016 2021-01-24 03:59:02 2459238.666 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-03-04 13:09:07 - 2021-03-04 13:09:07 2459278.048 - 2459278.048 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
198702 2021-03-04 13:09:07 2459278.048 19.33 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2021-03-18 09:31:41 - 2021-03-18 09:31:41 2459291.897 - 2459291.897 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
198703 2021-03-18 09:31:41 2459291.897 18.386 0.084 19.76 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
i-P1 PS1_GPC1 2021-03-22 12:48:58 - 2021-03-22 12:48:58 2459296.034 - 2459296.034 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
200206 2021-03-22 12:48:58 2459296.034 17.91 0.02 20.7 ABMag i-P1 PS1_GPC1 27 Robot
w-P1 PS1_GPC1 2021-04-06 10:10:34 - 2021-04-06 10:10:34 2459310.924 - 2459310.924 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
204615 2021-04-06 10:10:34 2459310.924 17.44 0.01 22 ABMag w-P1 PS1_GPC1 45 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 Bibcode Unreal Auto classification
107770 2021-04-29 15:02:42 Gaia_Bot1 S.T. Hodgkin,E. Breedt,A. Delgado et al. GaiaAlerts GaiaAlerts 11:53:19.020 +20:06:30.89 2021-04-28 06:05:45.600 17.66 G-Gaia PSN Gaia21ccj GaiaAlerts confirmed SN II N
105723 2021-04-08 11:42:35 PS1_Bot1 K. C. Chambers,T. de Boer,J. Bulger et al. Pan-STARRS Pan-STARRS 11:53:19.022 +20:06:30.90 2021-04-06 10:10:33.600 17.44 w-P1 PSN PS21ccz Pan-STARRS This transient was discovered with the help of citizen science project Supernova Hunters run by Zooniverse. The candidate was identified by volunteers including Henryk Krawczyk, David Maetschke and Akihiro Akai N
103676 2021-03-22 18:42:41 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 11:53:19.025 +20:06:30.92 2021-03-22 12:48:57.600 17.91 i-P1 PSN PS21ccz Pan-STARRS N
103362 2021-03-20 18:15:49 PS2_Bot1 K. C. Chambers,T. de Boer,J. Bulger et al. Pan-STARRS Pan-STARRS 11:53:19.027 +20:06:30.86 2021-03-18 11:35:31.200 18.32 w-P1 PSN PS21ccz Pan-STARRS N
102886 2021-03-18 19:37:05 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 11:53:19.034 +20:06:30.61 2021-03-18 09:31:40.800 18.386 cyan-ATLAS PSN ATLAS21iid ATLAS 2021TNSTR.799....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
9176 2021-03-21 21:52:09 Michael Tucker M. A. Tucker (IfA, UH Manoa) on behalf of the SCAT team SCAT SN II 0.022 1 SCAT Blue continuum with broad Halpha emission. Redshift measured from narrow host-galaxy emission lines. 2021TNSCR.865....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
9186 2021-03-20 08:48:50 UH88 / SNIFS 2000 mHuber SCAT tns_2021gdz_2459293.867251_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 107770 of Group GaiaAlerts
Previous RA, DEC: 11:53:19.022, +20:06:30.90 (178.329259585, +20.1085829308)
Updated RA, DEC: 11:53:19.020, +20:06:30.89 (178.32925, 20.108581)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 105723 of Group Pan-STARRS1
Previous RA, DEC: 11:53:19.025, +20:06:30.92 (178.32926878, +20.1085884965)
Updated RA, DEC: 11:53:19.022, +20:06:30.90 (178.329259585, 20.1085829308)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 103676 of Group Pan-STARRS1
Previous RA, DEC: 11:53:19.027, +20:06:30.86 (178.329278926, +20.1085727621)
Updated RA, DEC: 11:53:19.025, +20:06:30.92 (178.32926878, 20.1085884965)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 103362 of Group Pan-STARRS1
Previous RA, DEC: 11:53:19.034, +20:06:30.61 (178.32930625, +20.1085025)
Updated RA, DEC: 11:53:19.027, +20:06:30.86 (178.329278926, 20.1085727621)