2002A&A...389..478A


Query : 2002A&A...389..478A

2002A&A...389..478A - Astronomy and Astrophysics, volume 389, 478-484 (2002/7-2)

Statistical analysis of the long-term visual light curve parameters of dwarf novae.

AK T., OZKAN M.T. and MATTEI J.A.

Abstract (from CDS):

The long-term visual light curve parameters of 36 dwarf novae are measured. The data is anayzed in search of likely relationships among the light curve parameters and system parameters. New relations of the orbital period with the mean light curve parameters are given. Our findings for the correlation analysis of individual systems agree with some of the results in previous studies. Almost all of the systems in this study have a bimodal frequency distribution of the outburst duration. By comparing the observational correlations with their theoretical counterparts, we find that the value of the viscosity parameter of the disk instability model is αhot≃0.2.

Abstract Copyright:

Journal keyword(s): stars: dwarf novae - stars: novae, cataclysmic variables - stars: variables: general

Simbad objects: 37

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Number of rows : 37
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 V* WW Cet CV* 00 11 24.7726635744 -11 28 43.204518696           ~ 170 0
2 V* RX And CV* 01 04 35.5379487744 +41 17 57.784196472   13.713 13.429 11.788   ~ 304 0
3 V* KT Per CV* 01 37 08.7946635024 +50 57 20.398380408           M3.5e 122 0
4 V* WX Hyi CV* 02 09 50.8241651856 -63 18 39.831098040   10.70     13.038 ~ 196 0
5 V* GK Per No* 03 31 12.0098863320 +43 54 15.469951212   14.139 13.090 12.589   K1IV 891 0
6 V* VW Hyi CV* 04 09 11.3967378648 -71 17 41.554528260   12.786 12.543 14.160   ?+L0:e 628 0
7 V* TU Men CV* 04 41 40.7061732720 -76 36 45.942303384         14.057 ~ 152 0
8 V* AQ Eri CV* 05 06 13.1058945528 -04 08 07.253107476           ~ 80 0
9 V* CN Ori CV* 05 52 07.7842206216 -05 25 00.543695772           ~ 173 0
10 V* SS Aur CV* 06 13 22.4340408984 +47 44 25.345431780   16.06 15.81     sdBe 252 0
11 V* CZ Ori CV* 06 16 43.2247568736 +15 24 11.297210616   12.81 12.81 16.17   OB- 92 0
12 V* HL CMa CV* 06 45 17.2108297512 -16 51 34.544944080   12.60 12.41     ~ 100 0
13 V* UY Pup CV* 07 46 31.2402238920 -12 57 08.997056712         15.09 K2/6+? 34 0
14 V* BV Pup CV* 07 49 05.2533624216 -23 34 00.396724440           ~ 62 0
15 V* U Gem CV* 07 55 05.2324414746 +22 00 05.044127985   15.3 14.54     DA 1075 0
16 V* Z Cha CV* 08 07 27.7517751528 -76 32 00.665029356           M5.5 599 1
17 V* SU UMa CV* 08 12 28.2695986944 +62 36 22.427676396           B2 483 0
18 V* Z Cam CV* 08 25 13.1986690656 +73 06 39.284964108   12.006 11.927 11.712   ~ 503 0
19 V* AT Cnc CV* 08 28 36.9270732360 +25 20 03.045311628   14.798 14.583 13.690   DAe: 98 0
20 V* SW UMa CV* 08 36 42.7492998216 +53 28 37.976599020           ~ 295 0
21 V* CU Vel CV* 08 58 33.0342318672 -41 47 51.733120236           ~ 102 0
22 V* OY Car CV* 10 06 22.0793274312 -70 14 04.584660540           ~ 557 0
23 V* V436 Cen CV* 11 14 00.0568720872 -37 40 47.763655572           ~ 144 0
24 V* V442 Cen CV* 11 24 51.9051069168 -35 54 36.729015624           ~ 50 0
25 V* TT Crt CV* 11 34 47.1765755496 -11 45 30.370189860   16.598 16.029 15.945   ~ 48 0
26 V* TW Vir CV* 11 45 21.1711886016 -04 26 05.777690964   17.38   15.03   M2 138 0
27 V* BV Cen CV* 13 31 19.5105743208 -54 58 33.657394152     13.151 12.746 12.226 G5-8IV/V 183 0
28 * mu. Cen Be* 13 49 36.9886294 -42 28 25.429594 2.37 3.27 3.43 3.41 3.50 B2Vnpe 421 0
29 V* EK TrA CV* 15 14 01.46928 -65 05 32.0604           ~ 120 0
30 V* BR Lup CV* 15 35 53.1481874160 -40 34 06.076666416           ~ 48 0
31 V* AH Her CV* 16 44 10.0057431264 +25 15 01.942541352   12.44 12.71     K2 229 0
32 V* FQ Sco CV* 17 08 04.50720 -32 42 02.2428           ~ 26 0
33 V* AT Ara CV* 17 30 33.8219416224 -46 05 58.773466356   15.156 14.045 14.719   K2+ 38 0
34 V* UZ Ser CV* 18 11 24.90 -14 55 33.9           ~ 71 0
35 V* UU Aql CV* 19 57 18.7656631920 -09 19 21.064632708           K7-M0V 89 0
36 V* SS Cyg CV* 21 42 42.8034497592 +43 35 09.867842484 11.07 12.651 12.032 9.326   K5V 1251 1
37 V* RU Peg CV* 22 14 02.5505986656 +12 42 11.278107972     12     sdBe+G8IV:n 295 0

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2022.05.22-02:24:25

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