RA/DEC (2000)
08:33:42.262 +27:42:43.56
128.426091347 +27.7121003677
Type
SN Ic
Redshift
0.0075050001
Discovery ReportClassification Report
Related AstroNotes: 2021-47
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2020-12-26 09:50:24.000
TNS AT
Y
Public
Y
Host Name
KUG 0830+278
Host Redshift
0.007505
Discovery Mag
16.2
Filter
g-Sloan
Reporter/s
K. Z. Stanek, C. S. Kochanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2020adow - 2021-01-08 00:00:00 P200 / DBSP (None)z=
 ▌SN_2020adow - 2020-12-27 21:25:44 CMO-2.5m / TDS (None)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌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
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌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

 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ASASSN-5_Payne-Gaposchkin_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_w
 ▌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
8615 2021-01-08 00:00:00 P200 / DBSP 300 Anastasios Tzanidakis Yashvi Sharma None tns_2020adow_2021-01-08_P200_DBSP.ascii Object
8399 2020-12-27 21:25:44 CMO-2.5m / TDS Sergey Zheltoukhov Alexander Dodin None tns_2020adow_2020-12-27_21-25-44_CMO-2.5m_TDS.txt Object Based on spectra obtained with the TDS - Transient Double beam Spectrograph for the 2.5m telescope of the Caucasus Mountain Observatory (CMO) of Sternberg Astronomical Institute of the Lomonosov Moscow State University (https://arxiv.org/abs/2011.03061).
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2021-01-13 08:52:48 - 2021-01-13 08:52:48 2459227.87 - 2459227.87 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
193532 2021-01-13 08:52:48 2459227.87 15.23 0 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2020-12-22 10:48:21 - 2021-04-06 04:43:57 2459205.9502431 - 2459310.6971875 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
210007 2021-04-06 04:43:57 2459310.6971875 18.18 0.06 20.49 ABMag r-ZTF P48_ZTF-Cam 30
202074 2021-03-05 04:25:43 2459278.6845255 17.52 0.05 20.25 ABMag r-ZTF P48_ZTF-Cam 30
181639 2020-12-27 09:37:45 2459210.9012153 15.8068 0.0220806 20.0663 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
181637 2020-12-22 10:48:21 2459205.9502431 17.0604 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2020-12-27 06:08:40 - 2021-04-04 06:04:58 2459210.7560185 - 2459308.7534491 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
210006 2021-04-04 06:04:58 2459308.7534491 18.41 0.07 20.53 ABMag g-ZTF P48_ZTF-Cam 30
202075 2021-03-05 05:39:10 2459278.7355324 17.85 0.06 20.28 ABMag g-ZTF P48_ZTF-Cam 30
181638 2020-12-27 06:08:40 2459210.7560185 15.8419 0.0283731 19.3471 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-Sloan ASASSN-5_Payne-Gaposchkin 2020-12-23 00:57:36 - 2020-12-23 00:57:36 2459206.54 - 2459206.54 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
181494 2020-12-23 00:57:36 2459206.54 17.9 ABMag g-Sloan ASASSN-5_Payne-Gaposchkin [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2020-12-26 11:12:29 - 2020-12-26 11:12:29 2459209.967 - 2459209.967 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
181525 2020-12-26 11:12:29 2459209.967 16.357 0.024 19 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2020-12-24 11:49:55 - 2020-12-24 11:49:55 2459207.993 - 2459207.993 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
181524 2020-12-24 11:49:55 2459207.993 19.44 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2021-01-17 09:11:31 - 2021-01-17 09:11:31 2459231.883 - 2459231.883 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
188162 2021-01-17 09:11:31 2459231.883 15.64 0 22 ABMag w-P1 PS1_GPC1 45 Robot
g-Sloan ASASSN-1_Brutus 2020-12-26 09:50:24 - 2020-12-26 09:50:24 2459209.91 - 2459209.91 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
181495 2020-12-26 09:50:24 2459209.91 16.2 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 Bibcode Unreal Auto classification
108196 2021-05-04 06:01:15 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,J. van Santen (HU Berlin) et al. AMPEL ZTF 08:33:42.267 +27:42:43.52 2021-04-04 06:04:58.080 18.41 g-ZTF PSN ZTF20adadrhw ZTF SDSS spec-z 0.007. N
104744 2021-04-02 13:32:52 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,J. van Santen (HU Berlin) et al. AMPEL ZTF 08:33:42.267 +27:42:43.51 2021-03-05 04:25:43.392 17.52 r-ZTF PSN ZTF20adadrhw ZTF SDSS spec-z 0.007. N
99931 2021-02-19 13:37:02 PS2_Bot1 K. C. Chambers,T. de Boer,J. Bulger et al. Pan-STARRS Pan-STARRS 08:33:42.262 +27:42:43.56 2021-01-13 08:52:48.000 15.23 w-P1 PSN PS21kj Pan-STARRS N
97396 2021-01-19 21:31:21 PS1_Bot1 K. C. Chambers,T. de Boer,J. Bulger et al. Pan-STARRS Pan-STARRS 08:33:42.263 +27:42:43.54 2021-01-17 09:11:31.200 15.64 w-P1 PSN PS21kj 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 Charles J. Vesely IV N
94044 2020-12-27 19:39:55 ALeRCE F. Forster,G. Pignata,F.E. Bauer et al. ALeRCE ZTF 08:33:42.266 +27:42:43.52 2020-12-27 06:08:39.998 15.8419 g-ZTF PSN KUG 0830+278 ZTF20adadrhw ZTF Early SN candidate (g-rise > 1.00+-0.01 mag/day, r-rise > 0.64+-0.00 mag/day) classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20adadrhw N
93981 2020-12-27 01:04:56 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 08:33:42.260 +27:42:43.61 2020-12-26 11:12:28.800 16.357 orange-ATLAS PSN ATLAS20bjid ATLAS N
93957 2020-12-26 14:43:07 Krzysztof Stanek K. Z. Stanek,C. S. Kochanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 08:33:42.175 +27:42:43.34 2020-12-26 09:50:24.000 16.2 g-Sloan PSN KUG 0830+278 ASASSN-20qj ASAS-SN Present in several epochs, on the rise 2020TNSTR3922....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
8603 2021-01-18 20:33:05 Anastasios Tzanidakis Anastasios Tzanidakis (Caltech), Yashvi Sharma, Christoffer Fremling, Anna Ho (UC Berkeley), Jesper Sollerman (Stockholm University), Avishay Gal-Yam (Weizmann), on behalf of the Zwicky Transient Facility collaboration None SN Ic 0.0075050001 1 From a DBSP spectrum on 2021-01-08 we classify 2020adow as Type Ic, from an expansion velocity of ~14,000km/s in the Si II and O I lines. 2021TNSCR.190....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
8615 2021-01-08 00:00:00 P200 / DBSP 300 Anastasios Tzanidakis Yashvi Sharma None tns_2020adow_2021-01-08_P200_DBSP.ascii Object
8387 2020-12-28 02:25:57 Giuliano Pignata Sergey Zheltoukhov , Alexander Dodin, Andrey Tatarnikov, Marina Burlak, Dmitry Tsvetkov, Niсolai Shatski, Alexander Belinski (SAI-MSU) G. Pignata, F. Forster, F.E. Bauer, A. Munoz-Arancibia, L. Hernandez-Garcia, L. Galbany, E. Camacho, J. Silva-Farfan, A. Mourao, 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 None SN Ic-BL 0.0074 1 2020TNSCR3946....1Z
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
8399 2020-12-27 21:25:44 CMO-2.5m / TDS Sergey Zheltoukhov Alexander Dodin None tns_2020adow_2020-12-27_21-25-44_CMO-2.5m_TDS.txt Object Based on spectra obtained with the TDS - Transient Double beam Spectrograph for the 2.5m telescope of the Caucasus Mountain Observatory (CMO) of Sternberg Astronomical Institute of the Lomonosov Moscow State University (https://arxiv.org/abs/2011.03061).

Comments

TNS
System

Fri, 02/19/2021 - 13:30

Object coordinates updated

Object coordinates updated according to AT-report 99931 of Group Pan-STARRS1
Previous RA, DEC: 08:33:42.263, +27:42:43.54 (128.426096474, +27.7120951378)
Updated RA, DEC: 08:33:42.262, +27:42:43.56 (128.426091347, 27.7121003677)

TNS
System

Tue, 01/19/2021 - 21:30

Object coordinates updated

Object coordinates updated according to AT-report 97396 of Group Pan-STARRS1
Previous RA, DEC: 08:33:42.266, +27:42:43.52 (128.42611025, +27.71208965)
Updated RA, DEC: 08:33:42.263, +27:42:43.54 (128.426096474, 27.7120951378)

TNS
System

Sun, 12/27/2020 - 20:18

Object coordinates updated

Object coordinates updated according to AT-report 94044 of Group ZTF
Previous RA, DEC: 08:33:42.260, +27:42:43.61 (128.426081304, +27.7121143478)
Updated RA, DEC: 08:33:42.266, +27:42:43.52 (128.42611025, 27.71208965)

TNS
System

Sun, 12/27/2020 - 00:30

Object coordinates updated

Object coordinates updated according to AT-report 93981 of Group ATLAS
Previous RA, DEC: 08:33:42.175, +27:42:43.34 (128.42573, +27.71204)
Updated RA, DEC: 08:33:42.260, +27:42:43.61 (128.426081304, 27.7121143478)