RA/DEC (2000)
12:53:57.350 -08:46:14.77
193.488958 -8.770769
Type
SN Ia
Redshift
0.01175
Discovery ReportClassification Report
Related AstroNotes: 2021-188
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-07-07 06:59:02.400
TNS AT
Y
Public
Y
Host Name
NGC4777
Comments
[Object cross-matched with NGC4777]
Discovery Mag
18.24
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2021skf - 2021-07-08 00:00:00 Keck1 / LRIS (UCSC)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
z-step:   v-step: 
   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
   
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
10056 2021-07-08 00:00:00 Keck1 / LRIS M. Siebert, K. Davis, E. Strasburger M. Siebert UCSC tns_2021skf_2021-07-08_00-00-00_Keck1_LRIS_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2022-01-28 14:16:48 - 2022-01-28 14:16:48 2459608.095 - 2459608.095 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
262933 2022-01-28 14:16:48 2459608.095 20.61 0.07 22 ABMag w-P1 PS2_GPC2 45 Robot
G-Gaia Gaia_Gaia-photometric 2021-06-19 00:48:58 - 2021-07-19 10:40:48 2459384.534 - 2459414.945 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
234377 2021-07-19 10:40:48 2459414.945 15.03 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
234376 2021-06-19 00:48:58 2459384.534 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-07-05 07:14:53 - 2021-07-05 07:14:53 2459400.802 - 2459400.802 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
226606 2021-07-05 07:14:53 2459400.802 19.62 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2021-07-07 06:59:02 - 2021-07-07 06:59:02 2459402.791 - 2459402.791 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
226607 2021-07-07 06:59:02 2459402.791 18.24 0.114 19.5 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
134983 2022-01-29 23:44:20 PS2_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 12:53:57.354 -08:46:14.67 2022-01-28 14:16:48.000 20.61 w-P1 PSN PS22aap Pan-STARRS N
120138 2021-08-11 15:20:45 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 12:53:57.350 -08:46:14.77 2021-07-19 10:40:48.000 15.03 G-Gaia PSN Gaia21dsm GaiaAlerts confirmed SN Ia N
116444 2021-07-07 12:37:43 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 12:53:57.365 -08:46:14.97 2021-07-07 06:59:02.400 18.24 cyan-ATLAS PSN ATLAS21baof ATLAS 2021TNSTR2346....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
10040 2021-07-09 07:15:07 UCSCTr_Bot1 M. R. Siebert, K. Davis, S. Tinyanont, R. J. Foley (UCSC), E. Strasburger (UCB) UCSC SN Ia 0.01175 1 UCSC We measure a Si II velocity of -17,600 km/s. ATel: 14766 2021TNSCR2383....1S
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
10056 2021-07-08 00:00:00 Keck1 / LRIS M. Siebert, K. Davis, E. Strasburger M. Siebert UCSC tns_2021skf_2021-07-08_00-00-00_Keck1_LRIS_UCSC.flm Object

Comments

TNS
System

Wed, 08/11/2021 - 14:30

Object coordinates updated

Object coordinates updated according to AT-report 120138 of Group GaiaAlerts
Previous RA, DEC: 12:53:57.365, -08:46:14.97 (193.489019, -8.770824)
Updated RA, DEC: 12:53:57.350, -08:46:14.77 (193.488958, -8.770769)