SN 2017ixg
RA/DEC (2000)
23:20:30.57 +24:46:39.40
350.127375 +24.777611
Type
SN Ia
Redshift
0.0277
Source Group
TNTS
Discovery Date
2017-12-14 11:09:33
TNS AT
Y
Public
Y
Host Name
2MASX J23203073+2446317
Discovery Mag
17.57
Filter
Clear-
Discoverer/s
Tianmeng Zhang (NAOC),Zhitong Li(THU),Wenxiong Li(THU),Zhijian Xu,Zesheng Yang(THU), Hanjie Tan(CCU),Hao Song(THU), Xiaofeng Wang(THU), Jun Mo(THU),Xu Zhou(NAOC) on behalf of the TNTS
 2017-12-15 19:00:27 Other / Other
 2017-12-15 14:24:00 Lijiang-2.4m / YFOSC
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
15252017-12-15 19:00:27Other / Other9024R LeadbeaterR Leadbeater tns_2017ixg_2017-12-15_19-00-27_Other_Other.dat tns_2017ixg_2017-12-15_19-00-27_Other_Other.fitObjectR~150 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
15272017-12-15 14:24:00Lijiang-2.4m / YFOSC1350Jujia Zhang tns_2017ixg_2017-12-15.6_LJT_YFOSC.datObject
Light Curves
FilterTel / InstObs-date rangePhotometry
orange-ATLASATLAS1_ACAM12017-12-12 06:36:00 - 2017-12-12 06:41:452
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
231902017-12-12 06:41:4518.5410.07519.39ABMagorange-ATLASATLAS1_ACAM130Robot
231892017-12-12 06:36:0019.33ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2017-07-13 18:59:02 - 2018-01-01 12:36:002
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
243282018-01-01 12:36:0016.350.2ABMagG-GaiaGaia_Gaia-photometric60Robot
243272017-07-13 18:59:0221.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
Clear-BAO-0.6m_BATC2017-12-14 11:09:33 - 2017-12-14 11:09:331
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
231722017-12-14 11:09:3317.57VegaMagClear-BAO-0.6m_BATC
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
162032018-01-03 13:15:46Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlerts23:20:30.60+24:46:39.292018-01-01 12:36:0016.35G-GaiaPSNGaia18aaoGaiaAlertsconfirmed SN (aka SN2017ixg) in galaxy LEDA 1716059, GS-TEC predicts SN Ia
153432017-12-16 00:00:02ATLAS_Bot1J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K.W. Smith, S. J. Smartt, M. Fulton, O. McBrien (Queen's University Belfast)ATLAS23:20:30.62+24:46:39.302017-12-12 06:41:4518.541orange-ATLASPSNATLAS17nrqATLAS
153342017-12-15 06:55:38lizt14Tianmeng Zhang (NAOC),Zhitong Li(THU),Wenxiong Li(THU),Zhijian Xu,Zesheng Yang(THU), Hanjie Tan(CCU),Hao Song(THU), Xiaofeng Wang(THU), Jun Mo(THU),Xu Zhou(NAOC) on behalf of the TNTSTNTS23:20:30.57+24:46:39.402017-12-14 11:09:3317.57Clear-PSNTNTSThis possible supernova was discovered by the 0.6 m schmidt telescope at Xinglong Observatory during the Tsinghua-NAOC Transient Survey (TNTS). The transient is located 0" west and 8" north of the center of 2MASX J23203073+2446317
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
15232017-12-16 00:52:57jujiaJujia Zhang, Xiaoguang Yu (YNAO), Xiaofeng Wang (THU) (YNAO), Xiaofeng Wang (THU)SN Ia0.0277The spectrum matches some very young SNe Ia at about 10 days before maximum and shows detached high velocity feature of Si II 6355.
15212017-12-15 22:11:48THORobin LeadbeaterSN Ia0.023Classification using SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) gives a good fit to a type Ia supernova pre maximum.