Discovery certificate for object 2017ixe
TNS Astronomical Transient Report No. 15332 [ 2017TNSTR1410....1C ]

Date Received (UTC): 2017-12-14 05:02:37
Sender: Mr. Zhijian Xu
Source Group: XOSS

Zheng Cao, Di Hu, Jiangao Ruan, Xing Gao report/s the discovery of a new astronomical transient.

IAU Designation: SN 2017ixe
Discoverer internal name: PSP17G
Coordinates (J2000): RA = 02:29:49.530 (37.456375) DEC = +45:46:51.40 (45.780944)
Discovery date: 2017-12-13 19:25:22 (JD=2458101.3092824)

Potential host galaxy: 2MASX J02294877+4546331

Remarks: Zheng Cao, Di Hu, Jiangao Ruan and Xing Gao report the discovery of a possible supernova in Galaxy 2MASX J02294877+4546331. The transient (mag approximately 17.9) on one 40-s survey image (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 13.80951, 2017, using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=02h29m49.53s +45d46'51".4 (equinox 2000.0). Which is about 7.7" east and 18.5" north of the center of the 2MASX J02294877+4546331. Nothing is visible at this position on archival image taken on Nov. 09.62782, 2017 (limiting mag 19.5). All images can be seen from:http://www.xjltp.com/XOSS/PSP17G/PSP17G.htm

Photometry

Discovery (first detection):
Discovery date: 2017-12-13 19:25:22
Flux: 17.9 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Using a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.

Last non-detection:
Last non-detection date: 2017-11-26 17:44:43
Limiting flux: 19.5 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Using a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017ixe