2002A&A...391..565A


Query : 2002A&A...391..565A

2002A&A...391..565A - Astronomy and Astrophysics, volume 391565-569 (2002/8-4)

Discovery and photometric study of the new in-the-gap SU UMa dwarf nova Var 73 Dra.

ANTIPIN S.V. and PAVLENKO E.P.

Abstract (from CDS):

We present the discovery and the first investigation of the new dwarf nova Var 73 Dra. We carried out monitoring and time-resolved CCD observations in 2001 August-October and detected several normal outbursts with a recurrence time of about 7-8 days and one slightly brighter superoutburst with a ``plateau'' phase that lasted 13 days. Our photometry during the superoutburst clearly shows the presence of superhumps with the period 0.0954 (±0.0001) day (although the one-day alias period, 0.1053d, could not be ruled out). So, the observed features allow us to classify Var 73 Dra as a new SU UMa-type dwarf nova within the well-known gap of orbital period distribution of cataclysmic variables.

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Journal keyword(s): stars: dwarf novae - stars: individual: Var 73 Dra

Nomenclature: Antipin VNN (No. V73).

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 V* GX Cas CV* 00 49 01.5023646216 +56 52 43.590068220           ~ 39 0
2 V* TU Men CV* 04 41 40.7061732720 -76 36 45.942303384         14.057 ~ 157 0
3 V* NY Ser CV* 15 13 02.2954585632 +23 15 08.407860084   15.648 15.699     ~ 81 0
4 V* V419 Lyr CV* 19 10 13.8277020266 +29 06 14.191105826           ~ 27 0
5 V* V1504 Cyg CV* 19 28 56.4508657536 +43 05 37.081595940           ~ 122 0
6 V* V725 Aql CV* 19 56 45.03 +10 49 32.7           ~ 44 0
7 V* MN Dra CV* 20 23 38.1862508040 +64 36 26.592618240           ~ 45 1

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