SN 2017glx
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RA/DEC (2000)
19:43:40.29 +56:06:36.30
295.917875 +56.110083
Type
SN Ia-91T-like
Redshift
0.011
NEDSIMBADPanSTARRS-1VizieRWISEDSSADS
Discovery ReportClassification Report
Source Group
XOSS
Discovery Date
2017-09-03 16:50:30
TNS AT
Y
Public
Y
Host Name
NGC 6824
Host Redshift
0.011294
Discovery Mag
14.5
Filter
Clear-
Discoverer/s
Wei Gao, Yanxi Li, Zhijian Xu, Ang Li, Xing Gao
 ▌2017-09-04 16:47:59 LJT / YFOSC
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   Binning factor: (rounded to nearest integer >1)
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
11962017-09-04 16:47:59LJT / YFOSC556Jujia Zhang tns_2017glx_2017-09-04.7_LJT_YFOSC.datObject
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2017-08-22 17:17:12 - 2017-09-06 06:23:424
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
202622017-09-06 06:23:4214.80.218.5VegaMagClear-Other_Other18KAIT
199622017-09-03 16:50:3014.519.5VegaMagClear-Other_Other40Wei Gao, Yanxi Li, Zhijian Xu, Ang Li, Xing GaoUsing a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.
202612017-08-27 06:56:3118.5VegaMagClear-Other_Other18KAIT[Last non detection]
199612017-08-22 17:17:1219.5VegaMagClear-Other_Other40Xing Gao[Last non detection] Using a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
135612017-09-08 23:54:21weikangTimothy Willie Ross, WeiKang Zheng and Alexei V. Filippenko (UC Berkeley)LOSS19:43:40.29+56:06:36.302017-09-06 06:23:4214.8Clear-1PSNkait-17brLOSSKAIT independent discovery, it's the confirmed SN 2017glx. KAIT first detected on Aug. 28 UT at R~18.0 mag. No detection only one night earlier at Aug. 27 UT with limiting mag ~18.5 mag.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017glx_atrep_13561_LOSS.jpgGraphics2017-09-08 23:54:21weikang
133722017-09-03 17:47:08Zhijian XuWei Gao, Yanxi Li, Zhijian Xu, Ang Li, Xing GaoXOSS19:43:40.29+56:06:36.302017-09-03 16:50:3014.5Clear-1PSNPSP17BXOSSWei Gao, Yanxi Li, Zhijian Xu, Ang Li and Xing Gao report the discovery of a possible supernova in NGC 6824. The transient (mag approximately 14.5) on one 40-s survey image (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Sep. 03.70174, 2017, using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=19h43m40.29s +56d06'36".3 (equinox 2000.0). Which is about 3.2" west and 2.3" north of the center of the NGC 6824. Nothing is visible at this position on archival image taken on Aug 22.72028, 2017 (limiting mag 19.5). All images can be seen from: http://www.xjltp.com/XOSS/PSP17B/PSP17B.htm.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017glx_atrep_13372_XOSS.jpgGraphicsDiscovery image2017-09-03 18:31:02Zhijian Xu
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
11922017-09-05 10:53:08jujiaJujia Zhang, Kaixin Lu (YNAO), Xiaofeng Wang, Danfeng Xiang, Liming Rui, Han Lin (Tsinghua University), and Zhijian XuSN Ia-91T-like0.011The spectrum characterized by a blue continuum and prominent Fe III and Fe II lines is well matched to the 91T-like events at the early phase.

Comments