SN 2017gtd
RA/DEC (2000)
02:22:40.130 +28:15:24.88
35.667208 +28.256911
Type
SN IIP
Redshift
0.017
Reporting Group
PSH
Discovering Data Source
PSH
Discovery Date
2017-09-16 02:52:48.000
TNS AT
Y
Public
Y
Host Name
IC 221
Discovery Mag
17.6
Filter
Clear-
Reporter/s
Jaroslaw Grzegorzek

Spectra

 SN_2017gtd - 2017-09-17 19:16:53 BAO-2.16m / Cassegrain (None)z=
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   Binning factor: (rounded to nearest integer >1)
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Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
12202017-09-17 19:16:53BAO-2.16m / Cassegrain3600Junjun Jia(NAOC)Danfeng XiangNone tns_2017gtd_2458014.3034_BAO-2.16m_Cassegrain.txtObjectTNTSA spectrum taken on UT Sept. 17.80 2017 indicates that this transient is consistent with a type IIP supernova before maximum light.
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2017-01-26 18:12:57 - 2017-09-16 02:52:482
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
204132017-09-16 02:52:4817.619VegaMagClear-Other_Other45Jaroslaw GrzegorzekInstrument: 0.25-m f/3.3 reflector
204122017-01-26 18:12:5719VegaMagClear-Other_Other60Jaroslaw Grzegorzek[Last non detection]
G-GaiaGaia_Gaia-photometric2017-08-25 18:24:28 - 2017-09-12 22:43:402
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
205912017-09-12 22:43:4018.520.2ABMagG-GaiaGaia_Gaia-photometric60Robot
205902017-08-25 18:24:2821.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
137602017-09-28 12:45:55Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlertsGaiaAlerts02:22:40.130+28:15:24.882017-09-12 22:43:40.00018.52G-GaiaPSNGaia17chrGaiaAlertsconfirmed SN IIP near galaxy IC 221, aka SN 2017gtd
136452017-09-16 03:32:33Jaroslaw GrzegorzekJaroslaw GrzegorzekPSHPSH02:22:40.180+28:15:24.902017-09-16 02:52:48.00017.6Clear-PSNPSHaroslaw Grzegorzek, Szczecin, Poland, reports the discovery of a possible supernova (mag 17.6) on unfiltered CCD images (limiting mag 19.0) taken by himself on Sep 16.120 with a 0.25-m f/3.3 reflector at his observatory in the course of the supernova search project.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017gtd_atrep_13645_PSH.jpgGraphics2017-09-16 04:03:50Jaroslaw Grzegorzek
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
12162017-09-18 03:35:38Danfeng XiangD. Xiang, H. Lin, L. Rui, X. Wang(THU), Y. Zhao, H. Wang, T. Zhang(NAOC), J. Zhang(YNAO)NoneSN IIP0.017TNTS2017TNSCR1014....1X

Comments

Object coordinates updated according to AT-report 13760 of Group GaiaAlerts
Previous RA, DEC: 02:22:40.180, +28:15:24.90 (35.667417, +28.256917)
Updated RA, DEC: 02:22:40.130, +28:15:24.88 (35.667208, 28.256911)

10W 0S