2005PASP..117.1204P

Query : 2005PASP..117.1204P

2005PASP..117.1204P - Publ. Astron. Soc. Pac., 117, 1204-1222 (2005/November-0)

Superhumps in cataclysmic binaries. XXV. qcrit, epsilon(q), and mass-radius.

PATTERSON J., KEMP J., HARVEY D.A., FRIED R.E., REA R., MONARD B., COOK L.M., SKILLMAN D.R., VANMUNSTER T., BOLT G., ARMSTRONG E., McCORMICK J., KRAJCI T., JENSEN L., GUNN J., BUTTERWORTH N., FOOTE J., BOS M., MASI G. and WARHURST P.

Abstract (from CDS):

We report on successes and failures in searching for positive superhumps in cataclysmic variables, and show the superhumping fraction as a function of orbital period. Basically, all short-period system do, all long-period systems do not, and a 50% success rate is found at Porb=3.1±0.2 hr. We can use this to measure the critical mass ratio for the creation of superhumps. With a mass-radius relation appropriate for cataclysmic variables, and an assumed mean white-dwarf mass of 0.75 M☉, we find a mass ratio qcrit=0.35±0.02. We also report superhump studies of several stars of independently known mass ratio: OU Vir, XZ Eri, UU Aqr, and KV UMa (=XTE J1118+480). The latter two are of special interest, because they represent the most extreme mass ratios for which accurate superhump measurements have been made. We use these to improve the {epsiv}(q) calibration, by which we can infer the elusive q from the easy-to-measure {epsiv} (the fractional period excess of Psuperhumpover Porb). This relation allows mass and radius estimates for the secondary star in any cataclysmic variable (CV) showing superhumps. The consequent mass-radius law shows an apparent discontinuity in radius near 0.2 M☉, as predicted by the disrupted magnetic braking model for the 2.1-2.7 hr period gap. This is effectively the ``empirical main sequence'' for CV secondaries.

Abstract Copyright: ∼

Journal keyword(s): Accretion, Accretion Disks - Stars: Binaries: Close - Stars: Novae, Cataclysmic Variables - stars: individual (OU Virginis) - stars: individual (XZ Eridani) - Stars: Individual: Constellation Name: UU Aquarii - stars: individual (KV Ursae Majoris) - stars: individual (BB Doradus) - Stars: Individual: Constellation Name: U Geminorum - Stars: Individual: Constellation Name: IP Pegasi - Stars: Individual: Constellation Name: DW Ursae Majoris

CDS comments: Table 9 RX 1839+26 not identified

Simbad objects: 105

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Number of rows : 105
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* V592 Cas CV* 00 20 52.2230598456 +55 42 16.235113356 12.07 12.86 12.79 12.783   OB 109 0
2 V* FL Psc CV* 00 25 11.1124543656 +12 17 12.384853512   16.6 16.78     DC 65 0
3 V* PX And CV* 00 30 05.8083597744 +26 17 26.437695936   15.38 14.88 14.69   ~ 124 0
4 V* LL And CV* 00 41 51.4929791640 +26 37 21.043803756           ~ 67 0
5 V* GX Cas CV* 00 49 01.5023646216 +56 52 43.590068220           ~ 39 0
6 V* V452 Cas CV* 00 52 18.0064110240 +53 51 50.145348528           ~ 30 0
7 V* HT Cas CV* 01 10 13.1213394144 +60 04 35.489642700     14.10     M5.5e 401 0
8 V* FO And CV* 01 15 32.1563820432 +37 37 35.565432888           ~ 61 0
9 V* WX Cet CV* 01 17 04.1794193856 -17 56 22.414606224           ~ 173 0
10 V* TY Psc CV* 01 25 39.3569919912 +32 23 08.895723252           ~ 122 0
11 V* GZ Cet CV* 01 37 01.0693101024 -09 12 34.719127956     18.52     ~ 42 0
12 V* TT Ari CV* 02 06 53.0797508832 +15 17 41.851038804   10.73 10.20     Bep: 459 0
13 V* WX Hyi CV* 02 09 50.8241651856 -63 18 39.831098040   10.70     13.038 ~ 206 0
14 V* UV Per CV* 02 10 08.2720508904 +57 11 20.863265892           ~ 119 0
15 V* GK Per No* 03 31 12.0098863320 +43 54 15.469951212   14.139 13.090 12.589   K1IV 986 0
16 V* VW Hyi CV* 04 09 11.3967378648 -71 17 41.554528260   12.786 12.543 14.160   DQ 661 0
17 V* XY Eri RR* 04 11 16.8146120592 -13 50 54.088520352     13.00     ~ 35 0
18 V* XZ Eri CV* 04 11 25.7623081800 -15 23 23.764734528           ~ 60 0
19 V* TU Men CV* 04 41 40.7061732720 -76 36 45.942303384         14.057 ~ 157 0
20 V* V1208 Tau CV* 04 59 44.0374368264 +19 26 22.807583880           ~ 29 0
21 V* AQ Eri CV* 05 06 13.1058945528 -04 08 07.253107476           ~ 89 0
22 V* V1159 Ori CV* 05 28 59.5676204544 -03 33 52.282939068   14.321 14.203 15.317   ~ 152 0
23 V* TV Col CV* 05 29 25.5292422792 -32 49 03.900212364   14.219 13.846 14.181   K2V 362 0
24 V* BB Dor CV* 05 29 28.5849988224 -58 54 46.184462928 13.68 15.57 15.52 14.83   ~ 53 0
25 V* V363 Aur CV* 05 33 33.4591265880 +36 59 32.475580692     14.2     K0V 107 0
26 V* V347 Pup CV* 06 10 33.6583947384 -48 44 25.363374036   13.95 13.57 13.24 12.79 M0.5V 103 0
27 V* AH Men CV* 06 11 44.605776 -81 49 23.29824 12.62 13.326 13.010 13.211   ~ 88 0
28 V* PU CMa CV* 06 40 47.6858659440 -24 23 13.892650404           ~ 38 0
29 V* IR Gem CV* 06 47 34.6827027456 +28 06 22.332682152           ~ 147 0
30 V* V348 Pup CV* 07 12 32.9097229704 -36 05 38.582602080   15.82 15.72 16.00 15.06 B0V 96 0
31 V* AW Gem CV* 07 22 40.8179349903 +28 30 16.546944217           ~ 50 0
32 V* U Gem CV* 07 55 05.2324414746 +22 00 05.044127985   15.3 14.54     DA 1135 0
33 V* Z Cha CV* 08 07 27.7517751528 -76 32 00.665029356           M5.5 620 1
34 V* YZ Cnc CV* 08 10 56.6511822192 +28 08 33.260657100     15.24     ~ 256 0
35 V* CP Pup No* 08 11 46.0634106720 -35 21 04.986480708   15.436 15.227     ~ 277 1
36 V* SU UMa CV* 08 12 28.2695986944 +62 36 22.427676396           B2 516 0
37 PG 0818+513 CV* 08 22 36.0475955184 +51 05 24.558779364   15.73       ~ 127 0
38 V* CC Cnc CV* 08 36 19.1533707432 +21 21 05.426956908           ~ 63 0
39 V* SW UMa CV* 08 36 42.7492998204 +53 28 37.976599017           ~ 315 0
40 V* RX Vol CV* 08 39 32.06 -66 17 39.5           ~ 21 0
41 V* EG Cnc CV* 08 43 03.9863206560 +27 51 49.693595508           DAe 195 0
42 V* AC Cnc CV* 08 44 27.1121665272 +12 52 31.995783264   13.80 14.15     K1-3V 154 0
43 V* AK Cnc CV* 08 55 21.1855841064 +11 18 15.072556860           B8III 72 0
44 V* CU Vel CV* 08 58 33.0342318672 -41 47 51.733120236           ~ 109 0
45 V* VZ Pyx CV* 08 59 19.8388698120 -24 28 55.257493908     14.08     ~ 69 0
46 V* GY Cnc CV* 09 09 50.5407550968 +18 49 47.429496300           ~ 87 0
47 V* DI UMa CV* 09 12 16.1933315112 +50 53 53.956934520           ~ 89 0
48 PG 0911-066 CV* 09 14 14.0293028112 -06 47 44.773184220   17.6   19.1   ~ 45 0
49 V* BK Lyn CV* 09 20 11.2020621696 +33 56 42.356468364   13.97 13.99 14.72   ~ 125 1
50 V* DV UMa CV* 09 46 36.5964360384 +44 46 44.683031784   19.0       DA:+M 131 0
51 V* ER UMa CV* 09 47 11.9410111200 +51 54 08.950092804 14.351 14.03 13.91 14.909 14.629 ~ 161 0
52 V* OY Car CV* 10 06 22.0793274312 -70 14 04.584660540           ~ 586 0
53 V* KS UMa CV* 10 20 26.5185297792 +53 04 33.089641968   17.0       ~ 75 0
54 V* DW UMa CV* 10 33 52.8751411128 +58 46 54.717259044   14.33   14.33 14.35 ~ 254 0
55 V* IY UMa CV* 10 43 56.7487980888 +58 07 31.920814488   17.52 16.61 17.62 17.60 ~ 119 0
56 V* SX LMi CV* 10 54 30.4187071632 +30 06 10.358155512   16.9   15.6   ~ 83 0
57 V* CY UMa CV* 10 56 56.9964835104 +49 41 18.201049512   17.0       ~ 111 1
58 V* TU Crt CV* 11 03 36.5725455912 -21 37 45.658609680           ~ 33 0
59 V* V436 Cen CV* 11 14 00.0568720872 -37 40 47.763655572           ~ 148 0
60 V* KV UMa HXB 11 18 10.7930420496 +48 02 12.314730120           K5V-M1V 865 0
61 V* MR UMa CV* 11 31 22.3979617152 +43 22 38.474604624           ~ 47 1
62 V* RZ Leo CV* 11 37 22.2524330304 +01 48 58.617459936     19.6     DA+dM2 170 0
63 V* QZ Vir CV* 11 38 26.8241432424 +03 22 07.110298596     15.81     ~ 269 1
64 V* BC UMa CV* 11 52 15.8342499696 +49 14 41.887768632           DC: 112 0
65 V* V1040 Cen CV* 11 55 27.2600164728 -56 41 56.294089440           ~ 36 0
66 V* V359 Cen CV* 11 58 15.3250465728 -41 46 08.547000168           DQ: 34 0
67 V* TV Crv CV* 12 20 24.1673170512 -18 27 02.150567388           DC 61 0
68 V* AL Com CV* 12 32 25.7951754648 +14 20 42.292188276     16.2     ~ 249 0
69 V* EX Hya CV* 12 52 24.2222471899 -29 14 55.999766523   13.505 13.491 13.549   M5-6V 730 0
70 V* V485 Cen CV* 12 57 23.1807645432 -33 12 05.742562932           ~ 111 0
71 V* HV Vir CV* 13 21 03.1661521320 +01 53 29.075499492           DA 162 0
72 V* HS Vir CV* 13 43 38.4377401320 -08 14 03.882750324           ~ 61 0
73 V* OU Vir CV* 14 35 00.2216793576 -00 46 06.269754864   18.5       M2: 56 0
74 V* KV Dra CV* 14 50 38.3283335160 +64 03 29.003633136           DQ 38 0
75 V* NY Ser CV* 15 13 02.2954585632 +23 15 08.407860084   15.648 15.699     ~ 81 0
76 V* EK TrA CV* 15 14 01.3761801610 -65 05 32.305864520           ~ 128 0
77 V* QW Ser CV* 15 26 13.9668843408 +08 18 02.490457464           DA:H: 49 0
78 V* BR Lup CV* 15 35 53.1481874160 -40 34 06.076666416           ~ 51 0
79 V* SS UMi CV* 15 51 22.3401322752 +71 45 11.834778240           ~ 77 0
80 V* QZ Ser CV* 15 56 54.4738717848 +21 07 19.083494676           ?+K4Ve 61 0
81 V* V844 Her CV* 16 25 01.7475368040 +39 09 26.359853904       16.2   DQ 73 0
82 V* V699 Oph CV* 16 25 14.7840464424 -04 40 25.842243828           ~ 32 0
83 V* V2051 Oph CV* 17 08 19.0873634976 -25 48 31.704262776   17.5       ~ 252 0
84 V* V795 Her CV* 17 12 56.1689188488 +33 31 19.240640724   12.53 12.64 12.69   ~ 191 0
85 SDSS J173101.49+623316.0 ** 17 31 01.4958522528 +62 33 15.941287980           DA+dMe 27 0
86 V* V728 CrA CV* 17 59 16.5030343368 -42 35 06.685689300           ~ 17 1
87 V* EX Dra No* 18 04 14.2485669582 +67 54 12.273781393   14.775 14.479 14.490   ~ 135 0
88 V* DQ Her CV* 18 07 30.2510391864 +45 51 32.564791872   14.605 14.443 14.800   M3+Ve 1048 1
89 V* V533 Her No* 18 14 20.4844831200 +41 51 22.069747872   15.000 15.032 15.274   ~ 265 0
90 V* V603 Aql No* 18 48 54.6369872232 +00 35 02.857106184 10.73 12.106 12.087 11.986   OB+e: 564 0
91 V* DM Lyr CV* 18 58 44.4381051744 +30 15 33.389060383           ~ 36 0
92 V* EM Cyg CV* 19 38 40.1068970904 +30 30 28.332591012     11.90     ~ 270 0
93 V* RZ Sge CV* 20 03 18.47616 +17 02 51.9432   17.6   17.2   ~ 89 0
94 V* WZ Sge CV* 20 07 36.5037622512 +17 42 14.733254952   15.30 15.20 10.817   D 982 0
95 V* V503 Cyg CV* 20 27 17.3992939944 +43 41 22.504607556           ~ 138 0
96 V* KK Tel CV* 20 28 38.5099147224 -52 18 45.184064220   19.0   19.1   ~ 47 0
97 V* V1974 Cyg No* 20 30 31.6546001712 +52 37 50.837478240           ~ 597 0
98 V* HO Del CV* 20 36 55.4812015512 +14 03 09.406220472           ~ 35 0
99 V* AE Aqr CV* 20 40 09.1598959176 -00 52 15.055595220   12.46 10.40   10.191 K3-5IV/V 705 0
100 V* AO Oct CV* 21 05 08.1778533822 -75 21 03.305008201           ~ 28 0
101 V* VY Aqr CV* 21 12 09.2515505688 -08 49 36.779664432           ~ 229 0
102 V* UU Aqr CV* 22 09 05.7613016472 -03 46 17.688853416   13.998 13.919 13.735   ~ 153 0
103 V* TY PsA CV* 22 49 39.9054462120 -27 06 53.126335980   15.61 15.67 16.19   DA 105 0
104 V* IP Peg CV* 23 23 08.5362249504 +18 24 59.206884012           M2 395 0
105 V* EI Psc CV* 23 29 54.2146447848 +06 28 11.596023228   16.86 16.22     ~ 141 0

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