SN 2020nvb
RA/DEC (2000)
12:28:58.780 +03:34:22.01
187.244917 +3.572781
Type
SN Ia
Redshift
0.002939
Related AstroNotes: 2020-130
Reporting Group
None
Discovering Data Source
None
Discovery Date
2020-07-01 13:10:34.000
TNS AT
Y
Public
Y
Host Name
NGC 4457
Discovery Mag
13
Filter
Clear-
Reporter/s
Koichi Itagaki

Spectra

 SN_2020nvb - 2020-07-01 21:50:24 LT / SPRAT (None)z=
 SN_2020nvb - 2020-07-01 20:40:02 Other / Other (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 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 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 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
70392020-07-01 21:50:24LT / SPRATS. C. Williams (Turku), R. Kotak (Turku), P. A. Mazzali (LJMU) None tns_2020nvb_2020-07-01.91_LT_SPRAT.txtObject
70572020-07-01 20:40:02Other / Other900Flavio Castellani (Osservatorio Monte Baldo A99 Italy)Flavio Castellani (Osservatorio Monte Baldo A99 Italy), Claudio Balcon (Belluno, Italy)None tns_2020nvb_2020-07-01_20-40-02_Other_Other.dat tns_2020nvb_2020-07-01_20-40-02_Other_Other.fitObjectThe spectrum has been taken using ALPY 600 spectrograph and Atik 460Ex CCD attached to a SC 10” F10 telescope, in the course of Italian Supernovae Search Project.
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2020-07-01 13:10:34 - 2020-07-03 11:22:373
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1464192020-07-03 11:22:3712.60.118VegaMagClear-Other_Other20Yasuo SanoSCT 0.36-m F/11 reflector + FLI ML1001E CCD, Nayoro Hokkaido Japan
1464182020-07-01 23:04:0418VegaMagClear-Other_Other20Yasuo Sano[Last non detection] Telescope:SCT 0.36-m F/11 reflector
1460262020-07-01 13:10:3413VegaMagClear-Other_Other 0.5-m F/6.8 reflector+CCD (KAF-1001E)
R-CousinsOther_Other2020-07-03 11:49:00 - 2020-07-03 11:49:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1463492020-07-03 11:49:0013.6VegaMagR-CousinsOther_Other300F.Watanabe0.4-m f/10 Meili telescope (Meade Schmidt-Cassegrain telescope) + CCD (SBIG STL-1001E) at Nayoro Observatory
orange-ATLASATLAS1_ACAM12020-06-26 06:56:10 - 2020-06-30 06:05:462
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1460352020-06-30 06:05:4613.3610.00818.73ABMagorange-ATLASATLAS1_ACAM130Robot
1460342020-06-26 06:56:1019.39ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2020-06-21 09:51:50 - 2020-07-28 07:17:462
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1519312020-07-28 07:17:4613.440.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1519302020-06-21 09:51:5021.5ABMagG-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
790102020-07-31 20:56:14Gaia_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 teamGaiaAlertsGaiaAlerts12:28:58.780+03:34:22.012020-07-28 07:17:45.60013.44G-GaiaPSNGaia20dmyGaiaAlertsconfirmed SN Ia
757232020-07-05 05:39:49Yasuo SanoYasuo Sano12:28:58.800+03:34:22.002020-07-03 11:22:37.00012.6Clear-PSNFollowup ovservation
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020nvb_atrep_75723.jpgGraphics2020-07-05 05:39:49Yasuo Sano
756912020-07-04 06:10:58Fumitake WatanabeFumitake Watanabe12:28:58.780+03:34:22.102020-07-03 11:49:00.00013.6R-CousinsPSN
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020nvb_atrep_75691.jpgGraphics2020-07-04 06:10:58Fumitake Watanabe
755592020-07-01 18:25:20ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (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, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO), A. Townsend (University of Manchester)ATLASATLAS12:28:58.790+03:34:22.092020-06-30 06:05:45.60013.361orange-ATLASPSNATLAS20rvfATLAS
755512020-07-01 13:33:21K.ItagakiKoichi Itagaki12:28:58.820+03:34:22.102020-07-01 13:10:34.00013Clear-PSN
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
70452020-07-04 15:43:30balclaFlavio Castellani (Osservatorio Monte Baldo A99 Italy), Claudio Balcon (Belluno, Italy)NoneSN Ia0.002939GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this SN is similar to that of Type la at the redshift of the host galaxy (z=0.002939; value from Cortés et al. 2015, ApJS, 216, 9).2020TNSCR2036....1C
70272020-07-01 23:04:04scwS. C. Williams (Turku), R. Kotak (Turku), P. A. Mazzali (LJMU) NoneSN Ia0.00292020TNSCR2009....1W

Comments

Object coordinates updated according to AT-report 79010 of Group GaiaAlerts
Previous RA, DEC: 12:28:58.790, +03:34:22.09 (187.24496, +3.57280222222)
Updated RA, DEC: 12:28:58.780, +03:34:22.01 (187.244917, 3.572781)

Object coordinates updated according to AT-report 75559 of Group ATLAS
Previous RA, DEC: 12:28:58.820, +03:34:22.10 (187.245083, +3.572806)
Updated RA, DEC: 12:28:58.790, +03:34:22.09 (187.24496, 3.57280222222)

This transient is confimed by recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) data at https://asas-sn.osu.edu/light_curves/94fac18b-4c97-45af-8989-b5b38eaca7ee — gmag. 13.1 (corrected) on 2020 July 1.260 UT.

image