AT 2019tsc
RA/DEC (2000)
00:42:40.640 +41:07:45.80
10.669333 +41.129389
Type
---
Redshift
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2019-10-30 15:37:04.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
18.1
Filter
Clear-
Reporter/s
Guoyou Sun and Xing Gao
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2019-10-29 13:56:55 - 2019-10-30 15:37:042
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
988032019-10-30 15:37:0418.119.5VegaMagClear-Other_Other300Guoyou Sun and Xing GaoGuoyou Sun and Xing Gao, report the discovery of a possible nova (mag approximately 18.1) on severl 300-s survey images (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Oct. 30.65074 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m40.64s +41d07'45".8 (equinox 2000.0). Which is about 41.5" west and 502.7" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Oct. 29.58119 UT(limiting mag 20.0).
988022019-10-29 13:56:5520VegaMagClear-Other_Other300Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
511652019-10-30 16:18:46sammimasGuoyou Sun and Xing GaoXOSSXOSS00:42:40.640+41:07:45.802019-10-30 15:37:04.00018.1Clear-PNVXMNGS2XOSSGuoyou Sun and Xing Gao, report the discovery of a possible nova (mag approximately 18.1) on severl 300-s survey images (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Oct. 30.65074 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m40.64s +41d07'45".8 (equinox 2000.0). Which is about 41.5" west and 502.7" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Oct. 29.58119 UT(limiting mag 20.0).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2019tsc_atrep_51165_XOSS.pngGraphicsDiscovery Image2019-10-30 16:33:59sammimas
Classification Reports
No Data

Comments

The object is just faintly visible in a stack of 9x600 second images, luminance filter.

Time of last image of the stack 2019-10-29.8341

Stacked images subtracted from reference image.