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The W UMa‒type stars

Last update: 15/08/2017 DDO Radial Velocity Program: Short-Period Binaries

Photomerty and modeling papers:

  • photopaper1.pdf SW Lyn,QW Gem, AP Leo, V2150 Cyg.
  • photopaper2.pdf AB And, GZ And, AO Cam, DN Cam, DK Cyg
  • photopaper3.pdf V402 Aur, SX Crv, V829 Her, VZ Lib, V753 Mon
  • photopaper4.pdf V417 Aql, AH Aur, EF Boo, YY CrB, GM Dra, UX Eri, SW Lac,DZ Psc, GR Vir, NN Vir
  • photopaper5.pdf CN And, V776 Cas, FU Dra, UV Lyn, BB Peg, V592 Per, OU Ser, EQ Tau, HN UMa, HT Vir.
  • photopaper6.pdf V410 Aur, CK Boo, FP Boo, V921 Her, ET Leo, XZ Leo, V839 Oph, V2357 Oph, AQ Psc, VY Sex
  • photopaper7.pdf V376 And, V523 Cas, CC Com, BX Dra, FG Hya, UZ Leo, XY Leo, AM Leo, EX Leo, RT LMi

    Radial velocity papers (pdf): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

    Information on published systems
    Data on Selected binary stars


    Ephemerides of selected stars

    List of stars

    RA(2000)  Dec(2000)  Period(d)	JDhel(MinI)	Spectr.	Sp.Paper    Photom.    	Mag.  	PI    	System    	Comments
    
    

    Stars for photometric observations

    00 25 24 -46 55 27 0.43696800 2448500.0850 done I-S 10.5 BQ Phe (too low) 01 16 38 -39 42 30 0.37992300 2452500.0624 done II-S 10.3 AD Phe (too low) 03 07 01 -56 08 04 0.62511800 2448500.1019 done II-S 10.4 SZ Hor (too low) 04 29 25 -33 34 34 0.63420000 2452500.2863 done II-S 10.0 CT Eri (too low) 05 18 32 -68 13 33 0.28546300 2452500.2302 done II-S 10.8 RW Dor (too low) 07 33 39 -50 07 24 0.43261600 2452500.2462 done II-S 10.7 HI Pup (too low) 08 41 08 -32 11 57 2.31855500 2452500.3675 done II-S 10.7 TZ Pyx (too low) 09 32 18 -28 37 40 0.64834890 2452500.0659 done II-S 6.4 S Ant (too low) 10 16 02 -06 18 26 0.54011000 2452314.7900 done -- in prog. 9.4 SZ/SD HD 89027 13 12 23 +02 39 14 1.13183050 2452500.2014 done V re-observe 8.4 KG KZ Vir 13 29 47 +01 05 48 0.77556590 2452500.1390 done X 6.6 KG FO Vir 14 10 41 -47 46 08 0.39395129 2452500.0000 done I-S 7.4 V759 Cen (too low) 15 03 47 +47 39 15 0.26781956 2452500.1819 done IV re-observe 4.9 AL/KG 44(i) Boo 20 19 19 -76 07 36 0.55559220 2452500.0000 done I-S 9.2 DE Oct (too low) 20 46 28 -71 56 58 0.79498855 2452500.0000 done I-S 8.5 MW Pav (too low)

    Stars having incomplete DDO spectroscopic observations

    08 40 26 +44 54 18 0.81238900 2448500.4570 ---- XV done 9.9 KG CW Lyn 13 49 12 +20 11 24 0.37057523 2452500.4715 ---- -- done 10.3 KG XY Boo 13 51 42 +14 18 06 0.44756608 2452500.8988 ---- -- done 11.1 KG/AL DN Boo 14 06 14 -17 41 19 0.31243689 2452500.0189 ---- -- done 10.0 SZ MS Vir 14 17 28 -19 57 51 0.24653900 2452500.2200 ---- XV done 7.1 KG MW Vir 16 46 54 +38 38 58 0.38222973 2452500.2842 ---- -- done 10.5 MS V857 Her 20 48 13 -01 29 25 0.27221826 2452500.1828 ---- -- done 11.4 KG MU Aqr (GSC5178.01376) 23 31 32 +33 41 54 0.58455890 2452500.1324 ---- XV done 7.2 KG V353 Peg

    Spectroscopy and photometry done

    00 13 09 +05 35 43 0.30855000 2452500.1050 done IV done 10.6 KG DV Psc (GSC 0008-0324) 01 59 00 -22 55 12 0.53616872 2452500.3626 done XV/II-S done 6.2 AA Cet 01 46 57 -09 45 06 0.48595407 2452500.1308 done XV/II-S done 10.8 SSz/SZ TT Cet 01 48 54 -20 53 35 0.31685171 2442373.3600 done II-S done 10.4 KG TW Cet 02 38 33 -14 17 57 0.44079060 2452500.0028 done XV done 9.6 ? DY Cet 03 50 42 +01 33 50 0.79886791 2452500.2453 done VIII done 6.7 KG V1130 Tau 03 51 53 -10 31 43 0.50765435 2452500.2685 done II-S done 8.3 BV Eri 03 33 35 +39 53 58 0.91718770 2433617.3170 RV1 X done 5.8 ? IW Per 06 09 25 +17 11 00 0.72999253 2452500.2869 done XIV done 9.0 AL V1387 Ori 06 41 19 +82 16 02 0.59307300 2450792.6597 done VI done 8.4 KG SV Cam 06 45 57 +00 17 31 0.56802015 2452500.1748 done XV done 11.5 KG DD Mon 07 32 46 -20 47 32 0.81924400 2452500.1662 done II-S done 8.4 KG TY Pup 08 54 30 +51 14 40 0.65470400 2454561.9614 done XIV done 9.5 KG FT UMa Low Ampl. 09 09 56 +54 29 18 0.47899490 2453399.6394 done XII done 9.6 KG XY UMa 11 02 52 +30 24 55 0.47750350 2452500.1512 done XI done 8.0 ? VW LMi 11 04 48 +35 36 26 0.37549090 2452500.1968 done XIII done 10.9 KG HH UMa 11 30 04 +29 57 52 0.43872516 2452500.0327 done PR done 6.9 KG/AL AW UMa 11 27 59 +14 49 55 0.45696600 2452500.1836 RV1 VI done 9.0 SZ FS Leo 12 01 33 +43 02 30 0.37915799 2452500.0875 done VIII done 8.9 AL HX UMa 12 14 21 +11 49 10 0.40752993 2452500.3144 done -- done 9.3 KG AH Vir 12 32 55 +54 47 53 0.82522135 2452500.7553 done VI done 8.2 ? II UMa 13 32 03 +28 35 05 0.84246123 2452500.6560 done XIV done 9.4 KG VZ CVn 13 32 46 -17 45 33 0.40944368 2452500.0292 done XV done 8.7 KG LV Vir 14 48 03 +13 56 41 0.41377200 2454584.1779 done XIV done 9.8 AL EL Boo 14 55 44 +76 18 24 0.37708910 2452500.1325 done X done 8.8 AL TU UMi 14 59 20 +46 49 04 0.64503280 2452500.3421 done XI done 9.1 ? ET Boo 15 01 00 +73 03 11 0.41555495 2452500.3524 done XI done 8.7 ? TV UMi 15 08 09 +39 58 13 0.29716040 2452500.1880 done XIV done 10.4 AL/SZ TZ Boo 16 06 02 +50 11 12 0.41903950 2452500.2174 done II done 9.8 ? V842 Her 16 35 02 +33 12 48 0.42116900 2452500.4235 done IV done 7.9 KG V899 Her 16 48 25 +17 08 00 0.57481000 2452555.8419 done IX done 7.8 KG V918 Her 16 49 28 -15 40 05 0.66141540 2452500.2300 done XII done 6.1 KG V1010 Oph 17 33 56 +08 09 58 0.42540297 2452500.0964 done IV done 8.6 KG V2377 Oph 17 53 32 -03 54 55 0.42651302 2452500.0298 done XIV done 9.2 AL V2610 Oph 17 58 05 +32 38 53 0.44309740 2452500.3463 done VI done 6.7 KG V972 Her 18 33 24 +58 42 23 0.59741800 2454622.3721 done XV done 9.2 AL HI Dra 18 53 18 +21 13 33 0.49331637 2452500.2942 done XIII done 10.2 KG V1003 Her Low Ampl. 19 29 30 +36 17 14 0.71408000 2452466.1122 done IX done 6.7 KG V2082 Cyg Low Ampl. 19 50 16 -08 36 06 0.69777000 2456181.3019 RV1 I-S done 8.7 AL V1464 Aql 19 59 58 +19 10 45 0.66036221 2452500.5603 ---- XV done 11.1 KG CW Sge 20 31 13 +05 13 03 0.52169040 2452500.3087 done XV done 11.0 KG MR Del 20 40 54 +00 35 50 0.71018840 2452500.6960 done X done 9.2 KG HS Aqr 20 57 10 +19 38 59 0.36384033 2452500.3401 done I done 8.6 ? LS Del 20 57 19 +05 48 52 0.88097330 2452500.5384 RV1 II done 9.2 KG/SZ SV Equ 21 26 41 +13 41 17 0.72720609 2452500.5616 done IX done 7.0 AL KP Peg 21 30 59 +70 49 24 0.93616650 2452500.3135 done XIV done 7.0 AL GK Cep 22 07 10 +72 22 21 0.44877585 2452500.1997 done IX done 6.9 KG V445 Cep Low Ampl. 22 24 37 +41 18 24 0.81307570 2452500.2420 done -- done 8.3 AL V407 Lac Low Ampl. 22 52 36 +10 13 13 0.81074600 2452330.1642 done IX done 7.3 KG V335 Peg Low Ampl. 23 37 57 +18 24 02 0.50210292 2452500.0386 done X done 5.5 KG KS Peg 23 44 32 +46 22 49 0.68470000 2448699.9945 done X done 7.7 KG V395 And Low Ampl.

    In preparation (2)

    04 12 09 -10 28 10 0.32143000 2455891.4726 done II-S done 8.1 AL YY Eri 05 11 15 -08 33 24 0.42341350 2452500.1330 done XV done 9.0 AL ER Ori 07 39 05 -02 39 06 0.63770500 2454157.0662 done XV done 8.9 AL V868 Mon 09 22 58 +77 13 11 0.67713164 2452500.2446 done V done 8.7 AL FN Cam 14 17 26 +12 33 53 0.34231470 2452500.0099 done XIV done 10.5 AL/WO VW Boo 14 22 18 +41 27 02 1.05588870 2453494.6896 done XI done 8.7 KG DU Boo 16 20 03 +07 07 28 0.27527700 2454212.8136 done XIII done 9.9 AL V1167 Her (BD+7o3142) 17 54 14 +11 07 50 0.80229920 2452500.3811 done VI done 6.3 AL V2388 Oph 20 16 51 +41 57 41 0.31338950 2452500.2430 done XIII done 10.8 AL V1191 Cyg 23 47 18 -08 05 12 0.48140762 2452500.1890 done V/I-S done 10.3 KG EL Aqr

    In preparation (1)

    03 49 28 +12 54 44 0.30537250 2452500.1463 done XIII done 9.7 AL/KG V1128 Tau 10 01 40 +17 24 33 0.28409795 2453812.1951 done XII done 9.5 KG XY Leo (also in Paper 7: 2010 MNRAS, 408, 46) 10 16 02 -06 18 26 0.54011000 2453824.4139 done XII done 9.3 AL XX Sex 12 01 04 +13 00 30 0.64265065 2452500.2864 done XI done 8.4 KG AG Vir 13 10 32 -04 09 33 0.31124960 2452500.1940 done XIII done 9.6 AL/WO PY Vir 15 56 50 +22 16 01 0.38649780 2452500.3383 done XIV done 10.9 AL AU Ser 18 05 36 +69 45 00 0.42403025 2452500.3082 done I done 10.4 KG EF Dra 18 45 06 +40 11 30 0.57764169 2452500.2757 done XV done 11.0 KG V563 Lyr (NSV11321) 21 25 00 +33 41 15 0.78585060 2452500.4790 done XI done 8.4 AL V1073 Cyg 23 36 55 +15 48 07 0.63688300 2452500.2200 done XIII done 9.3 AL V407 Peg

    Submitted

    01 57 58 +37 48 22 0.41217020 2452500.0320 done XV done 11.0 AL/WO QX And H*done 02 49 52 +08 56 23 0.37992329 2452500.3722 done VI done 8.8 SSz/SZ EE Cet H*done 03 34 59 +17 42 38 0.39994842 2452500.2669 done XIII done 10.0 SZ V1123 Tau H*done 05 07 02 +00 47 33 0.43192293 2452500.0720 done IX done 10.3 KG V1363 Ori H*done nospot 07 38 30 +33 42 41 0.27477360 2452500.2850 done XII done 7.9 KG V345 Gem H*done??? 1spot (s-d/n-c) 08 31 31 +19 53 04 0.21781100 2452623.1423 done PR done 8.0 GSC1387:0475 H*done 08 40 02 +18 59 59 0.38288273 2452500.0407 done XI done 10.0 AL TX Cnc H*done 09 43 45 +55 57 09 0.33363491 2452500.1690 done XII done 9.4 DK/DM/SZ W UMa H*done-2sp 1spotl3 10 02 48 +01 05 40 0.41981967 2452500.1191 done XV done 10.0 SZ Y Sex H*done 12 33 00 +26 42 58 0.23734840 2452500.1220 done XIV done 7.3 AL/KG RW Com H*done 13 20 16 +17 45 57 0.40795468 2452500.1937 done VI done 7.3 SZ/KG KR Com H*done-nosp 1spot 15 22 06 +51 10 55 0.38999746 2452500.3423 done IV done 9.5 SZ FI Boo H*done (s-d) 16 41 20 +00 30 27 0.45338845 2452500.3575 done IX done 8.5 KG V502 Oph H*done (1sp) 2spots 17 13 58 +16 21 01 0.42152303 2452500.2709 done XI done 8.5 AL AK Her H*donel3 2spots 17 56 52 +04 59 15 0.40965380 2452500.2490 done XI done 7.6 AL V566 Oph H*donel3 nospot-nol3 1spot-nol3 18 29 13 +06 47 17 0.37530920 2452500.1200 done XII done 9.4 AL/KG V2612 Oph H*done 19 29 21 +30 24 28 0.58272548 2452500.3742 done VI done 10.6 KG V401 Cyg H*done2sp 1spot 19 48 13 +09 18 32 0.50679280 2452500.2610 done XII done 9.5 KG OO Aql H*done 1spot 21 21 25 -03 09 37 0.37445777 2452500.6950 done III done 9.7 KG HV Aqr H*donel3 2spots 23 25 25 +15 41 19 0.59329700 2452500.5015 done V done 8.0 KG V351 Peg H*done 2spots 23 45 35 +25 28 19 0.57845170 2452500.3027 done XIII done 9.1 SZ V357 Peg H*done

    Published separately

    06 08 19 +45 33 16 0.70366010 2452500.5916 done X done 7.5 SZ V449 Aur 2007, ASPC, 370, 367 18 23 06 +58 54 18 0.55087641 2452500.1942 done III done 10.1 AL RZ Dra 2011, NewA, 16, 6 18 34 26 +57 48 07 0.94427600 2453166.8057 done XI done 7.4 AL HL Dra 2012, MNRAS, 422, 1250 20 15 57 +76 48 36 0.54462207 2452500.5217 done XIII done 9.3 AL EG Cep 2009, ASPC, 435, 279

    Published

    00 20 31 +40 13 34 0.46278994 done III done 9.7 CN And Paper 5: 2005 AcA 55, 389 00 36 28 +21 32 14 0.36613916 done VIII done 10.9 DZ Psc Paper 4: 2005 AcA 55, 123 00 40 06 +50 14 15 0.23369334 done VIII done 10.6 V523 Cas Paper 7: 2010 MNRAS 408, 464 01 21 04 +07 36 21 0.47561310 done I done 8.7 AQ Psc Paper 6: 2006 AcA 56, 127 01 53 23 +70 02 33 0.44041574 done V done 7.0 V776 Cas Paper 5: 2005 AcA 55, 389 02 12 12 +44 40 00 0.30501740 done I done 10.8 GZ And Paper 2: 2004 AcA 54, 195 02 35 12 +49 51 37 0.79866451 done V done 7.9 V376 And Paper 7: 2010 MNRAS 408, 464 03 09 53 -06 53 33 0.44528559 done III done 10.5 UX Eri Paper 4: 2005 AcA 55, 123 03 48 13 +22 19 24 0.34134796 done V done 10.5 EQ Tau Paper 5: 2005 AcA 55, 389 04 28 13 +53 02 42 0.32990410 done III done 9.5 AO Cam Paper 2: 2004 AcA 54, 195 04 42 46 +72 58 42 0.49831200 done V done 8.2 DN Cam Paper 2: 2004 AcA 54, 195 04 44 33 +39 52 32 0.71572200 done X done 8.4 V592 Per Paper 5: 2005 AcA 55, 389 05 01 11 +34 30 27 0.36635610 done VIII done 10.1 V410 Aur Paper 6: 2006 AcA 56, 127 05 02 15 +31 15 49 0.60349100 done IX done 8.8 V402 Aur Paper 3: 2004 AcA 54, 299 06 26 05 +27 59 05 0.49410828 done II done 10.3 AH Aur Paper 4: 2005 AcA 55, 123 06 50 46 +29 27 12 0.35812252 done VIII done 10.3 QW Gem Paper 1: 2004 A&A 412,465 07 10 58 -03 52 43 0.67704906 done III done 8.3 V753 Mon Paper 3: 2003 AcA 54, 299 08 07 42 +41 48 02 0.64407664 done IV done 9.5 SW Lyn Paper 1: 2003 A&A 412,465 08 27 04 +03 30 55 0.32782841 done I done 9.9 FG Hya Paper 7: 2010 MNRAS 408, 464 09 03 24 +38 05 53 0.41498402 done I done 9.5 UV Lyn Paper 5: 2005 AcA 55, 389 09 49 52 +34 27 07 0.37491629 done III done 11.5 RT LMi Paper 7: 2010 MNRAS 408, 464 10 01 40 +17 24 33 0.28409795 done XII done 9.5 XY Leo Paper 7: 2010 MNRAS 408, 46 10 02 34 +17 02 46 0.48773790 done II done 10.3 XZ Leo Paper 6: 2006 AcA 56, 127 10 33 26 +17 34 27 0.34650390 done VI done 9.6 ET Leo Paper 6: 2006 AcA 56, 127 10 40 33 +13 34 00 0.61805787 done II done 9.5 UZ Leo Paper 7: 2010 MNRAS 408, 46 10 45 07 +16 20 16 0.40860257 done IV done 8.3 EX Leo Paper 7: 2010 MNRAS 408, 46 10 50 30 -02 41 43 0.44342000 done VIII done 9.0 VY Sex Paper 6: 2006 AcA 56, 127 11 02 11 +09 53 43 0.36579793 done XII done 9.2 AM Leo Paper 7: 2010 MNRAS 408, 46 11 05 05 +05 09 09 0.43035460 done I done 9.3 AP Leo Paper 1: 2004 A&A 412,465 11 15 56 +37 38 35 0.38252830 done VIII done 9.9 HN UMa Paper 5: 2005 AcA 55, 389 12 12 06 +22 31 58 0.22068590 done XII done 11.0 CC Com Paper 7: 2010 MNRAS 408, 464 12 40 15 -18 48 00 0.31664365 done V done 8.9 SX Crv Paper 3: 2004 AcA 54, 299 13 46 07 +05 06 56 0.40767264 done IV done 9.0 HT Vir Paper 5: 2005 AcA 55, 389 14 19 38 +05 53 47 0.48068666 done II done 7.6 NN Vir Paper 4: 2005 AcA 55, 123 14 32 31 +50 49 41 0.42051441 done V done 9.5 EF Boo Paper 4: 2005 AcA 55, 123 14 35 03 +09 06 54 0.35515528 done II done 9.1 CK Boo Paper 6: 2006 AcA 56, 127 14 45 20 -06 44 06 0.34696732 done II done 7.8 GR Vir Paper 4: 2005 AcA 55, 123 15 22 44 +16 15 41 0.29675870 done III done 8.2 OU Ser Paper 5: 2005 AcA 55, 389 15 31 53 -15 41 06 0.35825800 done IV done 10.1 VZ Lib Paper 3: 2004 AcA 54, 299 15 34 46 +62 16 44 0.30671694 done III done 10.6 FU Dra Paper 5: 2005 AcA 55, 389 15 43 00 +43 15 55 0.64048200 done X done 10.2 FP Boo Paper 6: 2006 AcA 56, 127 15 50 32 +37 50 08 0.37656415 done III done 8.6 YY CrB Paper 4: 2005 AcA 55, 123 16 06 17 +62 45 46 0.57902670 done IX done 11.5 BX Dra Paper 7: 2010 MNRAS 408, 464 16 49 31 +47 06 29 0.87739024 done VIII done 9.4 V921 Her Paper 6: 2006 AcA 56, 127 16 55 48 +35 10 57 0.35815167 done I done 10.1 V829 Her Paper 3: 2003 AcA 54, 299 16 57 17 +10 59 51 0.41556810 done VIII done 10.7 V2357 Oph Paper 6: 2006 AcA 56, 127 17 20 22 +57 58 27 0.33874754 done VI done 8.8 GM Dra Paper 4: 2005 AcA 55, 123 18 09 21 +09 09 04 0.40900331 done II done 8.8 V839 Oph Paper 6: 2006 AcA 56, 127 19 35 24 +05 50 18 0.37031338 done I done 11.0 V417 Aql Paper 4: 2005 AcA 55, 123 21 18 11 +30 35 21 0.59182359 done IV done 8.1 V2150 Cyg Paper 1: 2003 A&A 412,465 21 35 02 +34 35 42 0.47069580 done II done 10.3 DK Cyg Paper 2: 2004 AcA 54, 195 22 22 57 +16 19 28 0.36150143 done I done 10.8 BB Peg Paper 5: 2005 AcA 55, 389 22 53 41 +37 56 18 0.32071584 done X done 8.5 SW Lac Paper 4: 2005 AcA 55, 123 23 11 32 +36 53 35 0.33189106 done IX done 9.5 AB And Paper 2: 2004 AcA 54, 195
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