V. Benishek, Belgrade Astronomical Observatory; P. Pravec, Ondrejov Observatory; A. Marchini, R. Papini, and F. Salvaggio, Dipartimento di Scienze Fisiche, Della Terra e Dell’Ambiente, University of Siena; V. Chiorny, Kharkiv Observatory; and M. Husarik, Skalnate Pleso Observatory, report that photometric observations taken with a 0.35-m telescope at the Sopot Observatory in Serbia, a 0.30-m telescope […]
Archivi annuali: 2020
GPX-TF21D-1577
A new BY Dra-type star, the GPX-TF21D-1577 (GSC 02105-01113 in Hercules) discovered during the GPX survey and submitted to VSX by P. Benni, A. Burdanov, F. Salvaggio, A. Marchini, R. Papini and following the pubblication of Oelkers et. al. Magnitude variation goes from 11.77 to 11.88 V This is the plot showing the long term […]
GPX-TF23C-4171
A rare Heartbeat with a EA elements star it was discovered by the GPX survey. This is the GPX-TF23C-4171 (GSC 04037-02026 in Cassiopeia) and it was discovered and submitted to VSX from P. Benni, A. Burdanov, F. Salvaggio, A. Marchini, R. Papini. Heartbeat stars. A type of eccentric binary stars (e >0.2) whose light curves […]
CBET 4791 on (2500) Alascattalo
V. Benishek, Belgrade Astronomical Observatory; P. Pravec, Ondrejov Observatory; F. Pilcher, Organ Mesa Observatory, Las Cruces, NM, U.S.A.; A. Marchini, R. Papini, and F. Salvaggio, Dipartimento di Scienze Fisiche, Della Terra e Dell’Ambiente, University of Siena; J. Oey, Blue Mountains Observatory, Leura, NSW, Australia; D. Pray, Sugarloaf Mountain Observatory, South Deerfield, MA, U.S.A.; R. Durkee, […]
HAT-P-12b – 20200406
Here is the transit of HAT-P-12b exoplanet taken at WBRO-K49.Exposition 300 sec, V filter, full calibration. A good observation despite the almost full moon at only 45° from field. Here is the the lightcuve reduced. Here is the model derived from the observation Here the link to ETD page: http://var2.astro.cz/tresca/transit-detail.php?id=1586252026&lang=en
GPX-TF10A-2922
Another discovery in TF10A field. Another beautiful and interesting EA/RS CVn star. This is the GPX-TF10A-2922 (UCAC4 777-046627 in Cepheus) discovered during the GPX survey and submitted to VSX by P. Benni, A. Burdanov, F. Salvaggio, A. Marchini, R. Papini. Total magnitude variation goes from 13.52 to 13.72 V. Eclipse amplitude 0.1 V. RS elements […]
GPX-TF10A-1832
This is the first discovery in our 2020. The system is the GPX-TF10A-1832 (GSC 04272-00081 in Cepheus) discovered during the GPX survey and submitted to VSX by P. Benni, A. Burdanov, F. Salvaggio, A. Marchini, R. Papini. Magnitude variations goes from 12.60 to 12.63 V. Epoch: HJD 2457005.913 Period: 4.5600 d This is the link […]