Discovery certificate for object 2017axd
TNS Astronomical Transient Report No. 9109 [ 2017TNSTR.199....1D ]

Date Received (UTC): 2017-02-18 18:15:39
Sender: Denis Denisenko
Source Group: None

Denis Denisenko, Dirk Cornelis report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017axd
Coordinates (J2000): RA = 09:54:28.200 (148.6175) DEC = +67:39:42.00 (67.661667)
Discovery date: 2017-02-16 19:46:33 (JD=2457801.3239931)

Potential host galaxy: LEDA 2703724
Host redshift: 0.03469

Remarks: Discovered by D. Denisenko on the images obtained by D. Cornelis with 0.185-m f/6.8 APO refractor + SBIG STL-11000 CCD at e-EyE observatory (Fregenal de la Sierra, Spain). PSN was located in the same 93'x62' FOV with Gaia17aiq = 2017ati. Offset from the nucleus of host galaxy LEDA 2703724 is 9.5" East and 1.6" North.

Photometry

Discovery (first detection):
Discovery date: 2017-02-16 19:46:33
Flux: 16.75 STMag
Filter: R-Cousins
Instrument: Other
Telescope: Other

Remarks: 0.185-m f/6.8 APO refractor + SBIG STL-11000 CCD at e-EyE observatory

Last non-detection:
Archival info: SDSS
Remarks: Nothing but galaxy background at the position of PSN on SDSS and DSS images.

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