Discovery certificate for object 2020gpe
TNS Astronomical Transient Report No. 66887 [ 2020TNSTR1019....1B ]

Date Received (UTC): 2020-04-12 09:58:29
Sender: Mr. Raffaele Belligoli
Reporting Group: ISSP     Discovery Data Source: ISSP

Raffaele Belligoli report/s the discovery of a new astronomical transient.

IAU Designation: SN 2020gpe
Discoverer internal name: OMB-PSN3 Zwicky 7996
Coordinates (J2000): RA = 16:39:32.190 (249.884125) DEC = +66:02:12.60 (66.036833)
Discovery date: 2020-04-12 03:21:49.000 (JD=2458921.0840278)

Potential host galaxy: NGC6214

Remarks: The OMB-supernova monitoring in ISSP collaboration, R.Belligoli, F.Castellani, C.Marangoni, F.Marziali reports the discovery of a PSN J16393220+6602141 in NGC6214 by a Moravian G4-9000 KAF unfiltered CCD frames taken on '2020-04-12T03:21:49' UT on the 0.4m f.8 Ritchey-Chrétien telescope. The object observed is located at RA= '16 39 32.19' DEC= '+66 02 14.01' (equinox 2000.0) Offset 2"W 9"S from the center of NGC6214 galaxy (see link to discovery image below). Apparent magnitude 17.0 Clear (err +/- 0,5).

Photometry

Discovery (first detection):
Discovery date: 2020-04-12 03:21:49.000
Flux: 17 STMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: The PSN J16393220+6602141 was clearly detected on '2020-04-12.1401' UT using using 3 x 30s frames (90s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. The discovery magnitude is 17.0±0.5 mag in the CV band (clear visual). We will continue to monitor the PSN light curve and strongly encourage additional follow-up observations.

Last non-detection:
Last non-detection date: 2020-02-19 00:14:43
Limiting flux: 19.5 STMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: The last non-detected image on '2020-02-19 00:14:43' UT using 3 x 30s frames (90s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. (Latitudine 45° 41' 52" N. Longitudine 10° 51' 32" E)

Archival info: DSS
Remarks: No stellar source is visible at the transient's position in our past images and ALADIN sky atlas. No variable star is present at these coordinates on the SIMBAD database.

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2020gpe