SN 2020ohg
RA/DEC (2000)
17:37:11.010 -74:22:58.00
264.295875 -74.382778
Type
SN Ia
Redshift
0.01724
Reporting Group
None
Discovering Data Source
None
Discovery Date
2020-07-10 02:35:13.000
TNS AT
Y
Public
Y
Host Name
IC 4654
Host Redshift
0.01724
Discovery Mag
16
Filter
L-
Reporter/s
Grzegorz Duszanowicz

Spectra

 SN_2020ohg - 2020-07-12 19:27:00 Other / Other (PSH)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
70922020-07-12 19:27:00Other / Other10800Grzegorz DuszanowiczJarosław GrzegorzekPSH tns_2020ohg_2020-07-12_19-27-00_Other_Other_PSH.datObjectPSHOptical spectrum made using low resolution slitless spectroscope SA-200 (R~100) and 0.35m SCT. After cross-correlating with a library of SN spectra using SNID (Blondin & Tonry 2007, ApJ, 666, 1024) we find best fit with SN Ia at 3 days before maximum.
Light Curves
FilterTel / InstObs-date rangePhotometry
L-Other_Other2020-06-22 02:56:17 - 2020-07-10 02:35:132
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1472062020-07-10 02:35:13160.319VegaMagL-Other_Other60G. Duszanowicz0.35m f/7.3 SCT
1472052020-06-22 02:56:1719.5VegaMagL-Other_Other60G Duszanowicz[Last non detection] 0.35m f/7.3 SCT
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
761452020-07-10 10:51:59GrzelaGrzegorz Duszanowicz17:37:11.010-74:22:58.002020-07-10 02:35:13.00016L-PSNMSOSSP_06G. Duszanowicz reports the discovery of a possible supernova in IC 4654 at mag 16.0 RA/Dec 17 37 11.01 -74 22 58.0 (limit 19.0mg). Object was detected on images taken with 0.35m f/7.3 SCT and CCD, luminance filter.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020ohg_atrep_76145.tiffDiscovery picture2020-07-10 10:53:54Grzela
tns_2020ohg_atrep_76145_0.tiff2020-07-12 00:27:25Grzela
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
70802020-07-13 23:56:46Jaroslaw GrzegorzekJaroslaw GrzegorzekPSHSN Ia0.01724PSH2020TNSCR2125....1G

Comments

Observation: 22th of July (20200714.101UT) brightness 15.5 mg. Observer G. Duszanowicz

Observations made 14th of July (20200714.00UT) shows increase in brightness now to 15.5 mg. Observer G. Duszanowicz

Observations made on July 12 (20200712.772UT)shows increase in brightness now to 15.7 mg. Observer G. Duszanowicz

Candidate observations made on July 12 (20200712.010UT) indicate a slight increase in brightness to 15.9 mg. Observer G. Duszanowicz