The W UMa‒type stars

Last update: 15/08/2021 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
  • photopaper8.pdf HV Aqr, OO Aql, FI Boo, TX Cnc, OT Cnc, EE Cet, RW Com, KR Com, V401 Cyg, V345 Gem, AK Her, V502 Oph, V566 Oph, V2612 Oph, V1363 Ori, V351 Peg, V357 Peg, Y Sex, V1123 Tau, W UMa

    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 
     
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
    
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
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	(near contact)
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		(detached)
06 45 57  +00 17 31  0.56802015  2452500.1748	done	XV	done	11.5	KG	DD Mon
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 27 59  +14 49 55  0.45696600  2452500.1836	RV1	VI	done	9.0	SZ	FS Leo
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		(detached)
13 32 46  -17 45 33  0.40944368  2452500.0292	done	XV	done	8.7	KG	LV Vir
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
16 06 02  +50 11 12  0.41903950  2452500.2174	done	II	done	9.8	?	V842 Her
16 49 28  -15 40 05  0.66141540  2452500.2300	done	XII	done	6.1	KG	V1010 Oph	(near contact)
17 58 05  +32 38 53  0.44309740  2452500.3463	done	VI	done	6.7	KG	V972 Her	
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 
20 31 13  +05 13 03  0.52169040  2452500.3087	done	XV	done	11.0	KG	MR Del		(detached)
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 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.


    

    In preparation (1)
    
01 48 54  -20 53 35  0.31685171  2442373.3600	done	II-S	done	10.4	KG	TW Cet
03 49 28  +12 54 44  0.30537250  2452500.1463	done	XIII	done	9.7	AL/KG	V1128 Tau
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


    

    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 (3)
    
08 40 26  +44 54 18  0.81238900  2448500.4570	----	XV	done	9.9	KG	CW Lyn		
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
12 01 33  +43 02 30  0.37915799  2452500.0875	done	VIII	done	8.9	AL	HX UMa
14 48 03  +13 56 41  0.41377200  2454584.1779	done	XIV	done	9.8	AL	EL Boo
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
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
18 33 24  +58 42 23  0.59741800  2454622.3721	done	XV	done	9.2	AL	HI Dra


    

    In preparation (4)
    
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.
12 14 21  +11 49 10  0.40752993  2452500.3144	done	--	done	9.3	KG	AH Vir	
14 55 44  +76 18 24  0.37708910  2452500.1325	done	X	done	8.8	AL	TU UMi
15 08 09  +39 58 13  0.29716040  2452500.1880	done	XIV	done	10.4	AL/SZ	TZ Boo
18 53 18  +21 13 33  0.49331637  2452500.2942	done	XIII	done	10.2	KG	V1003 Her	Low Ampl.
19 59 58  +19 10 45  0.66036221  2452500.5603	----	XV	done	11.1	KG	CW Sge	
22 07 10  +72 22 21  0.44877585  2452500.1997	done	IX	done	6.9	KG	V445 Cep	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.





    

    Submitted
    



    

    Published separately 
    
00 13 09  +05 35 43  0.30855000  2452500.1050	done	IV	done	10.6	KG	DV Psc (GSC 0008-0324)	2019, AcA, 69, 261
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
01 57 58  +37 48 22  0.41217020  2452500.0320	done	XV	done	11.0	QX And			Paper 8: 2021 MNRAS 501, 2897	
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
02 49 52  +08 56 23  0.37992329  2452500.3722	done	VI	done	8.8	EE Cet			Paper 8: 2021 MNRAS 501, 2897	
03 09 53  -06 53 33  0.44528559 		done	III	done	10.5	UX Eri			Paper 4: 2005 AcA  55, 123
03 34 59  +17 42 38  0.39994842  2452500.2669	done	XIII	done	10.0	V1123 Tau		Paper 8: 2021 MNRAS 501, 2897	
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
05 07 02  +00 47 33  0.43192293  2452500.0720	done	IX	done	10.3	V1363 Ori		Paper 8: 2021 MNRAS 501, 2897	
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
07 38 30  +33 42 41  0.27477360  2452500.2850	done	XII	done	7.9	V345 Gem		Paper 8: 2021 MNRAS 501, 2897	
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
08 31 31  +19 53 04  0.21781100  2452623.1423	done	PR	done	8.0	OT Cnc (GSC1387:0475)	Paper 8: 2021 MNRAS 501, 2897	
08 40 02  +18 59 59  0.38288273  2452500.0407	done	XI	done	10.0	TX Cnc			Paper 8: 2021 MNRAS 501, 2897	
09 03 24  +38 05 53  0.41498402 		done	I	done	9.5	UV Lyn			Paper 5: 2005 AcA  55, 389
09 43 45  +55 57 09  0.33363491  2452500.1690	done	XII	done	9.4	W UMa			Paper 8: 2021 MNRAS 501, 2897	
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 02 48  +01 05 40  0.41981967  2452500.1191	done	XV	done	10.0	Y Sex			Paper 8: 2021 MNRAS 501, 2897	
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 33 00  +26 42 58  0.23734840  2452500.1220	done	XIV	done	7.3	RW Com			Paper 8: 2021 MNRAS 501, 2897	
12 40 15  -18 48 00  0.31664365 		done	V	done	8.9	SX Crv			Paper 3: 2004 AcA  54, 299
13 20 16  +17 45 57  0.40795468  2452500.1937	done	VI	done	7.3	KR Com			Paper 8: 2021 MNRAS 501, 2897	
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 06  +51 10 55  0.38999746  2452500.3423	done	IV	done	9.5	FI Boo			Paper 8: 2021 MNRAS 501, 2897	
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 41 20  +00 30 27  0.45338845  2452500.3575	done	IX	done	8.5	V502 Oph		Paper 8: 2021 MNRAS 501, 2897	
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 13 58  +16 21 01  0.42152303  2452500.2709	done	XI	done	8.5	AK Her			Paper 8: 2021 MNRAS 501, 2897	
17 20 22  +57 58 27  0.33874754 		done	VI	done	8.8	GM Dra			Paper 4: 2005 AcA  55, 123
17 56 52  +04 59 15  0.40965380  2452500.2490	done	XI	done	7.6	V566 Oph		Paper 8: 2021 MNRAS 501, 2897	
18 09 21  +09 09 04  0.40900331 		done	II	done	8.8	V839 Oph		Paper 6: 2006 AcA  56, 127
18 29 13  +06 47 17  0.37530920  2452500.1200	done	XII	done	9.4	V2612 Oph		Paper 8: 2021 MNRAS 501, 2897	
19 29 21  +30 24 28  0.58272548  2452500.3742	done	VI	done	10.6	V401 Cyg		Paper 8: 2021 MNRAS 501, 2897	
19 35 24  +05 50 18  0.37031338 		done	I	done	11.0	V417 Aql		Paper 4: 2005 AcA  55, 123
19 48 13  +09 18 32  0.50679280  2452500.2610	done	XII	done	9.5	OO Aql			Paper 8: 2021 MNRAS 501, 2897	
21 18 11  +30 35 21  0.59182359 		done	IV	done	8.1	V2150 Cyg		Paper 1: 2003 A&A  412,465
21 21 25  -03 09 37  0.37445777  2452500.6950	done	III	done	9.7	HV Aqr			Paper 8: 2021 MNRAS 501, 2897	
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
23 25 25  +15 41 19  0.59329700  2452500.5015	done	V	done	8.0	V351 Peg		Paper 8: 2021 MNRAS 501, 2897	
23 45 35  +25 28 19  0.57845170  2452500.3027	done	XIII	done	9.1	V357 Peg		Paper 8: 2021 MNRAS 501, 2897	


    
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