AT 2021tfv
RA/DEC (2000)
18:41:08.880 +12:44:09.60
280.287 +12.736
Type
---
Redshift
Reporting Group
None
Discovering Data Source
None
Discovery Date
2021-07-12 23:45:36.000
TNS AT
Y
Public
Y
Discovery Mag
17.3
Filter
V-Johnson
Reporter/s
Jan Ovidiu Tercu, Gabriel Cristian Neagu
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
V-JohnsonOther_Other2021-07-12 23:45:36 - 2021-07-12 23:45:361
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
2283142021-07-12 23:45:3617.3117.3VegaMagV-JohnsonOther_Other600Galati Astronomical ObservatoryInstrument: 0.4 m f/8 Ritchey-Chretien telescope and CCD SBIG STL-6303E. Magnitude = >17.3.
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
1173222021-07-13 01:01:36Ovidiu TercuJan Ovidiu Tercu, Gabriel Cristian Neagu18:41:08.880+12:44:09.602021-07-12 23:45:36.00017.3V-JohnsonPSNGalati V25Jan Ovidiu Tercu and Gabriel Cristian Neagu, on behalf of Galati Astronomical Observatory of the Natural Sciences Museum Complex Galati, Romania (Address: 6A, Regiment 11 Siret Street, Galati Municipality, Galati County, Romania) reports the discovery of a dwarf nova (Gaia DR2 4505211614501235584) in the course of the nova/supernova search project. The target star has similar SNR to WISEA J184111.15+124421.4 in DSS plates. The comp star (WISEA J184111.15+124421.4) has SNR 33 in our images, but the target (Gaia DR2 4505211614501235584) is not visible. Misidentified as an RR Lyrae star in 2017AJ....153..204S. Literature color indexes and Pan-STARRS1 lightcurve strongly indicate to the star being a dwarf nova.
Classification Reports
No Data