RA/DEC (2000)
20:18:12.760 +07:30:28.01
304.553167 +7.507781
Type
SN Ia
Redshift
0.0633
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2020-10-06 04:23:06.999
TNS AT
Y
Public
Y
Host Name
SDSS J201812.71+073026.8
Host Redshift
0.761
Discovery Mag
19.8669
Filter
g-ZTF
Reporter/s
F. Forster, F.E. Bauer, A. Munoz-Arancibia, L. Hernandez-Garcia, G. Pignata, L. Galbany, G. Pignata, 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 on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2020vgd - 2020-10-27 06:09:38 P60 / SEDM (ZTF)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

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌Gaia_Gaia-photometric_G
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
8381 2020-10-27 06:09:38 P60 / SEDM 2250 SEDmRobot auto ZTF tns_2020vgd_2020-10-27_06-09-38_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2020-10-01 06:39:22 - 2020-10-13 04:05:28 2459123.777338 - 2459135.670463 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
164152 2020-10-13 04:05:28 2459135.670463 18.75 0.11 20.45 ABMag r-ZTF P48_ZTF-Cam 30
162689 2020-10-08 04:52:08 2459130.7028704 19.4096 0.136939 20.5038 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
164151 2020-10-08 04:52:08 2459130.7028704 19.41 0.14 20.5 ABMag r-ZTF P48_ZTF-Cam 30
162688 2020-10-06 05:53:51 2459128.7457292 19.5893 0.263444 19.8466 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
162686 2020-10-01 06:39:22 2459123.777338 18.8063 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2020-10-06 04:23:07 - 2020-10-08 04:27:13 2459128.6827199 - 2459130.6855671 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
164150 2020-10-08 04:27:13 2459130.6855671 20.4468 ABMag g-ZTF P48_ZTF-Cam 30 [Last non detection]
162687 2020-10-06 04:23:07 2459128.6827199 19.8669 0.215304 20.1224 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
G-Gaia Gaia_Gaia-photometric 2020-06-16 17:51:22 - 2020-10-17 08:47:02 2459017.244 - 2459139.866 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
166916 2020-10-17 08:47:02 2459139.866 18.74 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
166915 2020-06-16 17:51:22 2459017.244 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2020-10-14 07:53:46 - 2020-10-14 07:53:46 2459136.829 - 2459136.829 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
166503 2020-10-14 07:53:46 2459136.829 19.49 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2020-10-16 07:32:10 - 2020-10-16 07:32:10 2459138.814 - 2459138.814 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
166504 2020-10-16 07:32:10 2459138.814 18.605 0.083 19.62 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 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
86974 2020-10-21 14:16:08 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 20:18:12.760 +07:30:28.01 2020-10-17 08:47:02.400 18.74 G-Gaia PSN Gaia20ewp GaiaAlerts blue transient in galaxy SDSS J201812.71+073026.8 N
86753 2020-10-20 10:39:04 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 20:18:12.762 +07:30:27.98 2020-10-16 07:32:09.600 18.605 cyan-ATLAS PSN ATLAS20bdxd ATLAS N
85311 2020-10-13 04:44:06 ZTF_AMPEL_COMPLETE J. Nordin, V. Brinnel, M. Giomi et al. ZTF ZTF 20:18:12.766 +07:30:27.94 2020-10-08 04:52:07.968 19.41 r-ZTF PSN ZTF20acgyvgs ZTF See arXiv:1904.05922 for selection criteria. N
84396 2020-10-08 18:58:57 ALeRCE F. Forster, F.E. Bauer, A. Munoz-Arancibia et al. ALeRCE ZTF 20:18:12.767 +07:30:27.92 2020-10-06 04:23:06.999 19.8669 g-ZTF PSN SDSS J201812.71+073026.8 ZTF20acgyvgs ZTF SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acgyvgs 2020TNSTR3052....1F N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
8369 2020-12-24 17:18:28 ZTF_Bot1 A. Dahiwale, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.0633 1 ZTF 2020TNSCR3913....1D
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
8381 2020-10-27 06:09:38 P60 / SEDM 2250 SEDmRobot auto ZTF tns_2020vgd_2020-10-27_06-09-38_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 10/21/2020 - 13:30

Object coordinates updated

Object coordinates updated according to AT-report 86974 of Group GaiaAlerts
Previous RA, DEC: 20:18:12.766, +07:30:27.94 (304.553192325, +7.50776005)
Updated RA, DEC: 20:18:12.760, +07:30:28.01 (304.553167, 7.507781)

TNS
System

Tue, 10/13/2020 - 04:30

Object coordinates updated

Object coordinates updated according to AT-report 85311 of Group ZTF
Previous RA, DEC: 20:18:12.767, +07:30:27.92 (304.553194066667, +7.50775523333333)
Updated RA, DEC: 20:18:12.766, +07:30:27.94 (304.553192325, 7.50776005)