SN 2018bsr
RA/DEC ()
19:27:38.599 +61:56:48.59
291.91083 +61.94683
Type
SN Ia
Redshift
0.04
Source Group
ASAS-SN
Discovery Date
2018-05-16 07:40:48
TNS AT
Y
Public
Y
Host Name
VII Zw 884
Discovery Mag
17.2
Filter
g-Sloan
Discoverer/s
J. V. Shields, K. Z. Stanek, for the ASAS-SN team

Spectra

 SN_2018bsr - 2018-05-18 00:49:45 LT / SPRAT (ASAS-SN)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
20382018-05-18 00:49:45LT / SPRAT600David BersierDavid BersierASAS-SN tns_2018bsr_2018-05-18_00-49-45_LT_SPRAT_ASAS-SN.datObjectASAS-SNThe spectrum was obtained on the Liverpool Telescope with the SPRAT spectrograph, at a resolution ~0.9nm
Light Curves
FilterTel / InstObs-date rangePhotometry
g-SloanASASSN-4_Leavitt2018-05-07 08:09:36 - 2018-05-16 07:40:482
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
286262018-05-16 07:40:4817.2ABMagg-SloanASASSN-4_Leavitt
286252018-05-07 08:09:3618.3ABMagg-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
186462018-05-17 16:08:53KZStanekJ. V. Shields, K. Z. Stanek, for the ASAS-SN teamASAS-SN19:27:38.599+61:56:48.592018-05-16 07:40:4817.2g-SloanPSNASASSN-18klASAS-SNIn several epochs, nuclear source, so could also be an AGN or TDE, unknown redshift host
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
23672018-08-01 06:34:23ZTF_Bot1C. Fremling (Caltech), Y. Sharma (IIT Bombay), A. Dugas (Caltech) on behalf of the Zwicky Transient Facility (ZTF)ZTFSN Ia0.04ZTF
20332018-05-18 09:41:42dbersierDavid BersierASAS-SNSN IaASAS-SNComparison with a library of spectra shows that this is a SN Ia, 9-12 days before maximum.

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