SN 2021iff
RA/DEC (2000)
08:40:57.912 -67:01:44.51
130.2413 -67.02903
Type
SN Ia
Redshift
0.03
Discovery ReportClassification Report
Related AstroNotes: 2021-115
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2021-04-04 20:09:36.000
TNS AT
Y
Public
Y
Host Name
PGC 299844
Discovery Mag
17.3
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS
Separated 39,014.800 arcsec from TESS-active sector/s (36,37) source : RA=09:11:52.800, DEC=-56:48:00.00
Separated 21,788.200 arcsec from TESS-active sector/s (36,37) source : RA=07:52:04.094, DEC=-63:43:47.24
Separated 30,892.200 arcsec from TESS-active sector/s (36,37) source : RA=10:03:60.000, DEC=-65:08:24.00
Separated 13,614.900 arcsec from TESS-active sector/s (36,37) source : RA=08:05:43.855, DEC=-68:52:28.20
Separated 39,014.800 arcsec from TESS-Sector36 source : RA=09:11:52.800, DEC=-56:48:00.00
Separated 21,788.200 arcsec from TESS-Sector36 source : RA=07:52:04.094, DEC=-63:43:47.24
Separated 30,892.200 arcsec from TESS-Sector37 source : RA=10:03:60.000, DEC=-65:08:24.00
Separated 13,614.900 arcsec from TESS-Sector37 source : RA=08:05:43.855, DEC=-68:52:28.20

Spectra

 ▌SN_2021iff - 2021-04-10 03:18:34 ESO-NTT / EFOSC2-NTT (ePESSTO+)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
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▌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)
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
93372021-04-10 03:18:34ESO-NTT / EFOSC2-NTT450Priscila Pessi, Ayan MitraAndreas Floers, Stefan TaubenbergerePESSTO+ tns_2021iff_2021-04-10_03-18-34_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2021iff_2021-04-10_03-18-34_ESO-NTT_EFOSC2-NTT_ePESSTO+.fitsObjectePESSTO+
Light Curves
FilterTel / InstObs-date rangePhotometry
g-SloanASASSN-3_Paczynski2021-04-02 01:55:12 - 2021-04-02 01:55:121
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
2034792021-04-02 01:55:1218.2ABMagg-SloanASASSN-3_Paczynski[Last non detection]
g-SloanASASSN-5_Payne-Gaposchkin2021-04-04 20:09:36 - 2021-04-04 20:09:361
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
2034802021-04-04 20:09:3617.3ABMagg-SloanASASSN-5_Payne-Gaposchkin
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
1052872021-04-05 06:25:00KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SNASAS-SN08:40:57.912-67:01:44.512021-04-04 20:09:36.00017.3g-SloanPSNASASSN-21exASAS-SNIn several epochs, on the rise, in TESS FoV, unknown redshift host galaxy
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
93272021-04-10 16:49:41ePESSTOplus_Bot1Priscila Pessi, Ayan Mitra, Andreas Floers, Stefan Taubenberger, E. Zimmerman on behalf of ePESSTO+ePESSTO+SN Ia0.03ePESSTO+2021TNSCR1146....1P

Comments

Patrick Vallely (The Ohio State University)

Mon, 04/05/2021 - 16:06

http://www.astronomy.ohio-state.edu/~assassin/followup/asassn-21ex.png