SN 2019llt
RA/DEC ()
13:33:55.480 +29:33:25.85
203.481167 +29.557181
Type
SN Ia
Redshift
0.037
Related AstroNotes: 2019-50
Source Group
ASAS-SN
Discovery Date
2019-07-20 03:36:00
TNS AT
Y
Public
Y
Host Name
2MASX J13335542+2933255
Host Redshift
0.037
Discovery Mag
17.4
Filter
g-Sloan
Discoverer/s
K. Z. Stanek, C. S. Kochanek, for the ASAS-SN team

Spectra

 SN_2019llt - 2019-07-23 22:45:07 Ekar / AFOSC (Padova-Asiago)z=
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Show Tellurics 
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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
46382019-07-23 22:45:07Ekar / AFOSC2400Tomasella, SalmasoBenetti, TomasellaPadova-Asiago tns_2019llt_2019-07-23_22-45-07_Ekar_AFOSC_Padova-Asiago.dat tns_2019llt_2019-07-23_22-45-07_Ekar_AFOSC_Padova-Asiago.fitsObjectPadova-Asiago
Light Curves
FilterTel / InstObs-date rangePhotometry
orange-ATLASATLAS1_ACAM12019-07-21 06:23:02 - 2019-07-25 08:13:552
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
804222019-07-25 08:13:5517.2830.0519.18ABMagorange-ATLASATLAS1_ACAM130Robot
804212019-07-21 06:23:0219.3ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2019-01-27 03:38:52 - 2019-07-31 01:30:432
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
815282019-07-31 01:30:4316.660.2ABMagG-GaiaGaia_Gaia-photometric60Robot
815272019-01-27 03:38:5221.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-SloanASASSN-4_Leavitt2019-07-19 03:50:24 - 2019-07-20 03:36:002
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
792352019-07-20 03:36:0017.4ABMagg-SloanASASSN-4_Leavitt
792342019-07-19 03:50:2417.9ABMagg-SloanASASSN-4_Leavitt[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
429472019-08-02 17:25:23Gaia_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), D. Eappachen, Z. Kostrzewa-Rutkowska (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts teamGaiaAlerts13:33:55.480+29:33:25.852019-07-31 01:30:4316.66G-GaiaOtherGaia19dgtGaiaAlertsconfirmed SN Ia
424092019-07-26 07:49:09ATLAS_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)ATLAS13:33:55.519+29:33:26.532019-07-25 08:13:5517.283orange-ATLASPSNATLAS19pvpATLAS
419232019-07-20 10:11:54KZStanekK. Z. Stanek, C. S. Kochanek, for the ASAS-SN teamASAS-SN13:33:55.565+29:33:26.682019-07-20 03:36:0017.4g-SloanPSNASASSN-19rvASAS-SNNuclear source, so could also be a TDE
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
46302019-07-24 22:55:02linatomaLina Tomasella, S. Benetti, E. Cappellaro, M. Turatto, I. SalmasoPadova-AsiagoSN Ia0.037Padova-AsiagoBest matches with several type Ia SNe few days before maximum light. The expansion velocity deduced from the Si II 635.5 nm is about 12000 km/s.

Comments

Object coordinates updated according to AT-report 42947 of Group GaiaAlerts
Previous RA, DEC: 13:33:55.519, +29:33:26.53 (203.481331, +29.557369)
Updated RA, DEC: 13:33:55.480, +29:33:25.85 (203.481167, 29.557181)

Object coordinates updated according to AT-report 42409 of Group ATLAS
Previous RA, DEC: 13:33:55.565, +29:33:26.68 (203.48152, +29.55741)
Updated RA, DEC: 13:33:55.519, +29:33:26.53 (203.481331, 29.557369)