AT 2017gwv
RA/DEC (2000)
06:55:50.64 +40:55:51.30
103.961 +40.930917
Type
---
Redshift
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Source Group
ISSP
Discovery Date
2017-09-23 02:59:01
TNS AT
Y
Public
Y
Host Name
PGC2173099
Discovery Mag
18.7
Filter
Clear-
Discoverer/s
Massimo Caimmi
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2017-03-27 19:07:58 - 2017-09-23 02:59:012
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
205772017-09-23 02:59:0118.70.0519.5VegaMagClear-Other_Other450M.Caimmi
205762017-03-27 19:07:5819.5VegaMagClear-Other_Other450M.Caimmi[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
137522017-09-26 04:46:23maxcaimmiMassimo CaimmiISSP06:55:50.64+40:55:51.302017-09-23 02:59:0118.7Clear-PSNISSPM.Caimmi report the discovery of an apparent supernova at 2017 09 23.12432 on image obtained with SC Telescope 0.24-m f/6.5 and CCD Atik 314L (exposure 15 frame x 30sec) from Valdicerro Observatory (C92) - Loreto (AN) Italy, in the course of the Italian Supernovae Search Project (ISSP). The new object is located at A.R. = 06h55m50.64s Decl. = +40°55'51.3" show the source at 18.7 Mag. Astrometry with respect to UCAC-4 stars which is 1.5" South and 2.9" West from the centre of Galaxy PGC2173099. Other images of this object taken in the following nights, lastly confirmed at 2017 09 26.12393 from P.Campaner (ISSP) with reflector 0.4m f/5.5 from Ponte di Piave - Italy
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017gwv_atrep_13752_ISSP.jpgGraphicsdiscovery image M.Caimm - 2017 09 23.124322017-09-26 04:46:23maxcaimmi
tns_2017gwv_atrep_13752_ISSP.fitFitsconfimed image P.Campaner - 2017 09 26.123932017-09-26 04:46:23maxcaimmi
tns_2017gwv_atrep_13752_ISSP_0.jpgGraphicsconfimed image P.Campaner - 2017 09 26.12392017-09-26 22:42:59maxcaimmi
Classification Reportings
No Data

Comments

This transient was observed by P.Campaner on 2017 09 28.13468 in the course of the Italian Supernovae Search Project (ISSP) from Ponte di Piave (TV) Italy with 0.4m f/5.5 reflector telescope. Stack of 7 unfiltered frames x 75sec guided exposures, show the source 18.7 VMag. End figures for astrometry were AR. 50.46s DEC. 50.9" position measured from UCAC-4 reference stars catalogue.