SN 2020aavb
RA/DEC (2000)
11:28:48.290 +20:47:38.65
172.201208 +20.794069
Type
SN Ia
Redshift
0.020884
Reporting Group
ISSP
Discovering Data Source
None
Discovery Date
2020-11-23 02:46:28.000
TNS AT
Y
Public
Y
Host Name
NGC3697
Discovery Mag
17
Filter
Clear-
Reporter/s
Fabio Briganti

Spectra

 SN_2020aavb - 2020-11-24 04:48:00 Ekar / AFOSC (Padova-Asiago)z=
 SN_2020aavb - 2020-11-24 03:59:00 Other / Other (None)z=
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   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
82492020-11-24 04:48:00Ekar / AFOSC1200Reguitti A.Benetti S.Padova-Asiago tns_2020aavb_2020-11-24.2_Ekar_AFOSC_Padova-Asiago.asciiObjectPadova-Asiago
80642020-11-24 03:59:00Other / Other6000Claudio Balcon (Belluno)Claudio BalconNone tns_2020aavb_2020-11-24_03-59-00_Other_Other.dat tns_2020aavb_2020-11-24_03-59-00_Other_Other.fitObjectI obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2020-01-02 03:57:53 - 2020-11-23 02:46:282
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1741852020-11-23 02:46:281718.5OtherClear-Other_Other75Paolo Campaner and Fabio Briganti report the discovery of PSN in the galaxy NGC3697 in two images taken with reflector 400mm F5.5 at Ponte di Piave Observatory (Italy) in the course of Italian Supernovae Search Project.
1741842020-01-02 03:57:5319OtherClear-Other_Other75[Last non detection]
orange-ATLASATLAS1_ACAM12020-11-04 15:27:22 - 2020-11-28 13:13:262
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1749272020-11-28 13:13:2616.7460.06418.59ABMagorange-ATLASATLAS1_ACAM130Robot
1749262020-11-04 15:27:2218.94ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2020-10-31 00:44:38 - 2020-12-06 22:30:432
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1865922020-12-06 22:30:4316.660.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1865912020-10-31 00:44:3821.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
967562021-01-14 16:57:47Gaia_Bot1S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts teamGaiaAlertsGaiaAlerts11:28:48.290+20:47:38.652020-12-06 22:30:43.20016.66G-GaiaPSNGaia21agiGaiaAlertsconfirmed SN Ia
909332020-11-29 00:44:25ATLAS_Bot1J. 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)ATLASATLAS11:28:48.290+20:47:38.682020-11-28 13:13:26.40016.746orange-ATLASPSNATLAS20bgfaATLAS
906092020-11-23 21:14:39fabiobrigantiFabio BrigantiISSP11:28:48.440+20:47:37.002020-11-23 02:46:28.00017Clear-PSN
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
82372020-12-17 16:47:51Astronomo94Andrea ReguittiPadova-AsiagoSN IaPadova-AsiagoWe confirm the classification as a SN Ia reported by Balcon 2020 (TNSCR 8052). Gelato (Harutyunyan et al. 2008, A&A, 488, 383) returns a fair match with the spectrum of the type Ia SN 1998bu (Jha et al. 1999, ApJS, 125, 73; Spyromilio et al. 2004, A&A, 426, 547) about one week before maximum. The redshift is from Hickson et al. 1992, ApJ, 399, 353.2020TNSCR3825....1R
80522020-11-24 05:28:49balclaClaudio BalconNoneSN Ia0.020884Noisy spectrum is similar to those of Type la supernovae at the redshift of the host galaxy (z=0.020884; value from NED)2020TNSCR3554....1B

Comments

Object coordinates updated according to AT-report 96756 of Group GaiaAlerts
Previous RA, DEC: 11:28:48.290, +20:47:38.68 (172.201208182, +20.7940790909)
Updated RA, DEC: 11:28:48.290, +20:47:38.65 (172.201208, 20.794069)

ATel 14210

Object coordinates updated according to AT-report 90933 of Group ATLAS
Previous RA, DEC: 11:28:48.440, +20:47:37.00 (172.201833, +20.793611)
Updated RA, DEC: 11:28:48.290, +20:47:38.68 (172.201208182, 20.7940790909)