2013MNRAS.433.1338O

Query : 2013MNRAS.433.1338O

2013MNRAS.433.1338O - Mon. Not. R. Astron. Soc., 433, 1338-1343 (2013/August-1)

On supercycle lengths of active SU UMa stars.

OTULAKOWSKA-HYPKA M. and OLECH A.

Abstract (from CDS):

We performed a detailed analysis of extensive photometric observations of a sample of the most active dwarf novae, that is, SU UMa stars which are characterized by supercycle lengths shorter than 120 d. We found observational evidence that supercycle lengths for these objects have been constantly increasing over the past decades, which indicates that their mean mass-transfer rates have been decreasing during that time. This seems to be a common feature for this type of stars. We present numerical results in each case and estimate time-scales of future development of these systems. This study is important in the context of evolution of dwarf novae stars and perhaps other cataclysmic variables.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): binaries: close - stars: dwarf novae - stars: evolution - cataclysmic variables

CDS comments: SDSS J210014 not identified (not enough information).

Simbad objects: 19

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Number of rows : 19
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* V1159 Ori CV* 05 28 59.5676204544 -03 33 52.282939068   14.321 14.203 15.317   ~ 152 0
2 V* UV Gem CV* 06 38 44.1657597362 +18 16 11.348219848           ~ 37 0
3 V* YZ Cnc CV* 08 10 56.6511822192 +28 08 33.260657100     15.24     ~ 256 0
4 V* SU UMa CV* 08 12 28.2695986944 +62 36 22.427676396           B2 516 0
5 V* DI UMa CV* 09 12 16.1933315112 +50 53 53.956934520           ~ 89 0
6 V* BK Lyn CV* 09 20 11.2020621696 +33 56 42.356468364   13.97 13.99 14.72   ~ 125 1
7 V* ER UMa CV* 09 47 11.9410111200 +51 54 08.950092804 14.351 14.03 13.91 14.909 14.629 ~ 161 0
8 V* RZ LMi CV* 09 51 48.9263549904 +34 07 23.966634108           DA 123 0
9 V* CI UMa CV* 10 18 12.9917560056 +71 55 43.290676632   19.1   19.4 14.42 ~ 47 0
10 V* NY Ser CV* 15 13 02.2954585632 +23 15 08.407860084   15.648 15.699     ~ 81 0
11 V* BR Lup CV* 15 35 53.1481874160 -40 34 06.076666416           ~ 51 0
12 V* SS UMi CV* 15 51 22.3401322752 +71 45 11.834778240           ~ 77 0
13 V* BF Ara CV* 17 38 21.3279286968 -47 10 41.551884804           ~ 47 0
14 V* IX Dra CV* 18 12 31.4711619792 +67 04 45.821734572           sdB 49 0
15 V* V344 Lyr CV* 18 44 39.1748179896 +43 22 28.051269960           sdB 114 0
16 V* V1504 Cyg CV* 19 28 56.4508657536 +43 05 37.081595940           ~ 122 0
17 V* WZ Sge CV* 20 07 36.5037622512 +17 42 14.733254952   15.30 15.20 10.817   D 982 0
18 V* MN Dra CV* 20 23 38.1862508040 +64 36 26.592618240           ~ 45 1
19 V* V503 Cyg CV* 20 27 17.3992939944 +43 41 22.504607556           ~ 138 0

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