SN 2017gfj
RA/DEC (2000)
22:12:34.430 +38:40:37.56
333.143458 +38.6771
Type
SN Ia
Redshift
0.072
Source Group
None
Discovery Date
2017-08-19 22:45:07
TNS AT
Y
Public
Y
Host Name
UGC11950
Discovery Mag
18.2
Filter
Clear-
Discoverer/s
Ron Arbour

Spectra

 SN_2017gfj - 2017-08-22 16:47:59 Lijiang-2.4m / YFOSC (None)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
11582017-08-22 16:47:59Lijiang-2.4m / YFOSC1700Jujia ZhangNone tns_2017gfj_2017-08-22.70_LJT_YFOSC.datObject
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2017-07-31 23:13:55 - 2017-08-19 22:45:072
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
196212017-08-19 22:45:0718.219.2OtherClear-Other_Other30Ron ArbourUnits= V Instrument= C14 35cm f/6 + SXVR-H9 camera
196202017-07-31 23:13:5519.1OtherClear-Other_Other30Ron Arbour[Last non detection] Units= V Instrument= C14 35cm f/6 + SXVR-H9 camera
G-GaiaGaia_Gaia-photometric2017-07-10 00:41:45 - 2017-08-22 21:46:042
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
197402017-08-22 21:46:0418.260.2ABMagG-GaiaGaia_Gaia-photometric60Robot
197392017-07-10 00:41:4521.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
132572017-08-27 10:20:06Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlerts22:12:34.430+38:40:37.562017-08-22 21:46:0418.26G-GaiaPSNGaia17ccjGaiaAlertsconfirmed SN Ia, SN 2017gfj, ~40 arcsec from Seyfert 2 galaxy UGC 11950
131902017-08-19 23:38:43Ron ArbourRon ArbourNone22:12:34.430+38:40:37.702017-08-19 22:45:0718.2Clear-PSN
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017gfj_atrep_13190.jpgGraphics2017-08-20 00:04:21Ron Arbour
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
11542017-08-23 14:41:59jujiaJujia Zhang and Xiaofeng WangNoneSN Ia0.072The spectrum is consistent with that of a type Ia supernova at around the maximum light. Note that the redshift of this supernova is estimated to be about 0.072 from the SNID fit, which is apparently larger than the redshift of the proposed host galaxy UGC 11950 (z~0.0205).

Comments

Object coordinates updated according to AT-report 13257 of Group GaiaAlerts
Previous RA, DEC: 22:12:34.430, +38:40:37.70 (333.143458, +38.677139)
Updated RA, DEC: 22:12:34.430, +38:40:37.56 (333.143458, 38.6771)