RA/DEC (2000)
23:03:57.530 +30:43:26.51
345.989708 +30.724031
Type
SN Ia
Redshift
0.06
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2020-12-14 06:24:28.800
TNS AT
Y
Public
Y
Discovery Mag
19.531
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 (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)

Spectra

 SN_2020acsn - 2020-12-18 15:12:51 CMO-2.5m / TDS (None)z=
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   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
 Gaia_Gaia-photometric_G
 ATLAS-MLO_ATLAS-01_cyan
 ATLAS-HKO_ATLAS-02_cyan
 PS1_GPC1_i
   
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
8278 2020-12-18 15:12:51 CMO-2.5m / TDS 1200 Burlak M., Tatarnikov A. Dodin A. None tns_2020acsn_2020-12-18_15-12-51_CMO-2.5m_TDS.txt Object Good fits to several 91T-like and peculiar SN2007if. Redshift from SNID best fit.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2020-12-16 02:48:23 - 2020-12-16 02:48:23 2459199.6169329 - 2459199.6169329 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
180676 2020-12-16 02:48:23 2459199.6169329 18.99 0.08 20.31 ABMag r-ZTF P48_ZTF-Cam 30
g-ZTF P48_ZTF-Cam 2020-12-12 03:18:41 - 2020-12-16 03:54:38 2459195.6379745 - 2459199.6629398 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
180677 2020-12-16 03:54:38 2459199.6629398 18.76 0.11 19.89 ABMag g-ZTF P48_ZTF-Cam 30
180675 2020-12-12 03:18:41 2459195.6379745 19.5223 ABMag g-ZTF P48_ZTF-Cam 30 [Last non detection]
G-Gaia Gaia_Gaia-photometric 2020-11-09 03:05:46 - 2020-12-17 14:06:43 2459162.629 - 2459201.088 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
188207 2020-12-17 14:06:43 2459201.088 18.64 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
188206 2020-11-09 03:05:46 2459162.629 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2020-12-14 06:24:29 - 2020-12-14 06:24:29 2459197.767 - 2459197.767 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
179350 2020-12-14 06:24:29 2459197.767 19.531 0.154 19.87 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2020-12-12 07:17:46 - 2020-12-12 07:17:46 2459195.804 - 2459195.804 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
179349 2020-12-12 07:17:46 2459195.804 19.64 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
i-P1 PS1_GPC1 2019-07-25 14:21:07 - 2019-07-25 14:21:07 2458690.098 - 2458690.098 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
181449 2019-07-25 14:21:07 2458690.098 22.12 0.26 20.7 ABMag i-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 ADS Bibcode Unreal Auto classification
97435 2021-01-20 12:19:45 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 23:03:57.530 +30:43:26.51 2020-12-17 14:06:43.200 18.64 G-Gaia PSN Gaia21aiw GaiaAlerts confirmed SN Ia N
93924 2020-12-25 16:54:39 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 23:03:57.536 +30:43:26.45 2019-07-25 14:21:07.200 22.12 i-P1 PSN PS20mor 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 Zara , B L Goodwin and Meryl Goulbourne N
93560 2020-12-21 03:18:45 ZTF_AMPEL_COMPLETE J. Nordin, V. Brinnel, M. Giomi et al. ZTF ZTF 23:03:57.535 +30:43:26.35 2020-12-16 02:48:22.752 18.99 r-ZTF PSN ZTF20acxnafa ZTF See arXiv:1904.05922 for selection criteria. N
92944 2020-12-15 21:52:52 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 23:03:57.571 +30:43:26.54 2020-12-14 06:24:28.800 19.531 cyan-ATLAS PSN ATLAS20biko ATLAS 2020TNSTR3793....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
8266 2020-12-18 16:41:47 Lluís Galbany Lluís Galbany None SN Ia 0.06 1 Kirill Atapin, Alexander Gusev, Alexander Dodin, Alexandr Tatarnikov, Dmitry Tsvetkov, Nikolai Shatski, Alexander Belinski (SAI-MSU), Lluís Galbany (UGranada), A. Munoz-Arancibia, F. Forster, F.E. Bauer, L. Hernandez-Garcia, G. Pignata, E. Camacho, J. Silva-Farfan, A. Mourao (IST-ULisboa), J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker 2020TNSCR3835....1G
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
8278 2020-12-18 15:12:51 CMO-2.5m / TDS 1200 Burlak M., Tatarnikov A. Dodin A. None tns_2020acsn_2020-12-18_15-12-51_CMO-2.5m_TDS.txt Object Good fits to several 91T-like and peculiar SN2007if. Redshift from SNID best fit.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 97435 of Group GaiaAlerts
Previous RA, DEC: 23:03:57.536, +30:43:26.45 (345.989734714, +30.7240134644)
Updated RA, DEC: 23:03:57.530, +30:43:26.51 (345.989708, 30.724031)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 93924 of Group Pan-STARRS1
Previous RA, DEC: 23:03:57.535, +30:43:26.35 (345.989728425, +30.72398715)
Updated RA, DEC: 23:03:57.536, +30:43:26.45 (345.989734714, 30.7240134644)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 93560 of Group ZTF
Previous RA, DEC: 23:03:57.571, +30:43:26.54 (345.9898775, +30.7240375)
Updated RA, DEC: 23:03:57.535, +30:43:26.35 (345.989728425, 30.72398715)