SN 2018K
RA/DEC (2000)
01:50:50.480 +48:21:13.70
27.710333 +48.353806
Type
SN Ia
Redshift
0.023
Source Group
POSS
Discovery Date
2018-01-03 03:15:41
TNS AT
Y
Public
Y
Host Name
UGC 1303
Host Redshift
0.023922
Discovery Mag
17.6
Filter
Clear-
Discoverer/s
J. Newton, R. Post, E. Weinberg, R. Gagliano, T. Puckett

Spectra

 SN_2018K - 2018-01-07 11:31:12 Lijiang-2.4m / YFOSCz=
 SN_2018K - 2018-01-06 20:23:32 Other / Otherz=
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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
16152018-01-07 11:31:12Lijiang-2.4m / YFOSC1800Jujia Zhang tns_2018K_2018-01-07.48_LJT_YFOSC.dat
16122018-01-06 20:23:32Other / Other4200R LeadbeaterR Leadbeater tns_2018K_2018-01-06_20-23-32_Other_Other.dat tns_2018K_2018-01-06_20-23-32_Other_Other.fitR~150 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2017-12-02 04:29:22 - 2018-01-03 03:15:412
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
243562018-01-03 03:15:4117.60.319ABMagClear-Other_Other40cm, Portal AZ, USA
243552017-12-02 04:29:2219.9ABMagClear-Other_Other[Last non detection] 61cm
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
162172018-01-03 19:16:30puckettJ. Newton, R. Post, E. Weinberg, R. Gagliano, T. PuckettPOSS01:50:50.480+48:21:13.702018-01-03 03:15:4117.6Clear-PSNPOSS
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
16112018-01-07 13:32:13jujiaJujia Zhang, Liang Xu(YNAO), XiaoFeng Wang(THU)SN Ia0.023The spectrum matches a normal SN Ia at a few days before the maximum (e.g., SN 2007F t=-8 days).
16082018-01-06 23:39:17THORobin LeadbeaterSN Ia-91T-like0.022Classification using SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) gives a good fit to several type Ia-91T-like supernovae a few days pre maximum.

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