SN 2018pt
RA/DEC (2000)
12:56:06.25 +32:03:15.90
194.026042 +32.054417
Type
SN Ia-91T-like
Redshift
0.127
Source Group
TNTS
Discovery Date
2018-02-07 16:47:59
TNS AT
Y
Public
Y
Host Name
SDSS J125606.27+320314.6
Discovery Mag
18.4
Filter
Clear-
Discoverer/s
Zhijian Xu,Wenxiong Li(THU),Tianmeng Zhang (NAOC), Zesheng Yang(THU), Hanjie Tan(CCU),Hao Song(THU), Xiaofeng Wang(THU), Jun Mo(THU),Xu Zhou(NAOC) on behalf of the TNTS
 2018-02-09 18:14:24 Lijiang-2.4m / YFOSC (TNTS)
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
17172018-02-09 18:14:24Lijiang-2.4m / YFOSC1700Jujia ZhangTNTS tns_2018pt_2018-02-09.76_Lijiang-2.4m_YFOSC_TNTS.datObjectTNTS
Light Curves
FilterTel / InstObs-date rangePhotometry
i-SloanPS1_GPC12018-02-09 11:54:14 - 2018-02-09 11:54:141
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
293742018-02-09 11:54:1419.660.1520.7ABMagi-SloanPS1_GPC145Robot
Clear-BAO-0.6m_BATC2018-02-07 16:47:59 - 2018-02-07 16:47:591
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
252752018-02-07 16:47:5918.4VegaMagClear-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
190372018-06-02 18:25:04PS1_Bot1K. C. Chambers, M. E. Huber, H. Flewelling, E. A. Magnier, A. Schultz, T. Lowe, J. Bulger (IfA, University of Hawaii), S. J. Smartt, K. W. Smith (Queen's University Belfast), J. Tonry, C. Waters, (IfA, University of Hawaii) D. E. Wright (University of Minnesota), D. R. Young (Queen's University Belfast)Pan-STARRS112:56:06.19+32:03:15.702018-02-09 11:54:1419.66i-SloanPSNPS18vxPan-STARRS1
167982018-02-08 15:27:17M51Zhijian Xu,Wenxiong Li(THU),Tianmeng Zhang (NAOC), Zesheng Yang(THU), Hanjie Tan(CCU),Hao Song(THU), Xiaofeng Wang(THU), Jun Mo(THU),Xu Zhou(NAOC) on behalf of the TNTSTNTS12:56:06.25+32:03:15.902018-02-07 16:47:5918.4Clear-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 1" south of the center of SDSS J125606.27+320314.6
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
17122018-02-10 13:42:14jujiaJujia Zhang, Jianguo Wang (YNAO), Wenxiong Li, Xiaofeng Wang (THU), Hanjie Tan (CCU), Tianmeng Zhang, Xu Zhou (NAOC)TNTSSN Ia-91T-like0.127TNTSThe spectrum of SN 2018pt matches with the 91T-like type Ia supernova SN 2005eq at t = -4 days relative to the maximum light. Given a redshift of 0.127 (from SNID fit) for its host galaxy, an expansion velocity of about 9300 km/s can be deduced from the Si II 635.5 absorption minimum. Given this redshift (z~0.127) the absolute brightness of this SN is about -20.2 mag.