1995PASP..107..551H

Query : 1995PASP..107..551H

1995PASP..107..551H - Publ. Astron. Soc. Pac., 107, 551-560 (1995/June-0)

Superhumps in cataclysmic binaries. V. V503 Cygni.

HARVEY D., SKILLMAN D.R., PATTERSON J. and RINGWALD F.A.

Abstract (from CDS):

We report a radial-velocity study of the dwarf nova V503 Cygni at quiescence, revealing motion of the emission lines with a period of 111.9 ± 0.4 min. This is almost certainly the underlying orbital period of the binary. We also report photometry at all stages of the outburst cycle, which demonstrates a complex pattern of signals. In superoutburst, the star shows a periodic signal at 116.7 ± 0.1 min, which bears all the earmarks of a "superhump," a normal trait of SU UMa-type dwarf nova. During quiescence and short eruptions, the star shows a large-amplitude wave at a period of 109.00 ± 0.02 min–a "negative superhump" since the period shift from P_orb is negative. We interpret the two superhumps as respectively arising from apsidal and nodal precession of the accretion disk.

Abstract Copyright: ∼

Journal keyword(s):

Simbad objects: 1

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Number of rows : 1
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* V503 Cyg CV* 20 27 17.3992939944 +43 41 22.504607556           ~ 138 0

Query : 1995PASP..107..551H

Basic data :
V* V503 Cyg -- Cataclysmic Binary
Other object types: otypes_help 		CV* (2015PASJ), PM* (2018yCat,PM), V* (V*,AAVSO), * (Gaia), NIR (2MASS), Opt (PSO)
ICRS coord. (ep=J2000) : 		20 27 17.3992939944 +43 41 22.504607556 (Optical) [ 0.0251 0.0475 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 25 34.7855611567 +43 31 27.278034926 [ 0.0251 0.0475 90 ]
Gal coord. (ep=J2000) : 		081.5008257603765 +03.0724052169012 [ 0.0251 0.0475 90 ]
Proper motions mas/yr : 		-18.124 -47.468 [0.033 0.068 90] A 2020yCat.1350....0G
Parallaxes (mas): 		2.2496 [0.0403] A 2020yCat.1350....0G
Fluxes (6) :
G 17.1871 [0.0172] C 2018yCat.1345....0G
J 16.370 [0.132] C 2003yCat.2246....0C
g (AB) 17.3283 [0.0405] C 2017yCat.2349....0C
r (AB) 16.6911 [0.0853] C 2017yCat.2349....0C
i (AB) 16.6375 [0.1263] D 2017yCat.2349....0C
z (AB) 16.2591 [0.2702] D 2017yCat.2349....0C
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Identifiers (9) :
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SV* SON 4524 PSO J306.8223+43.6893 AAVSO 2023+43
2MASS J20271740+4341224 TIC 193895999 Gaia DR3 2069105580089321472
PM J20272+4341 V* V503 Cyg Gaia DR2 2069105580089321472

References (138 between 1850 and 2026) (Total 138)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Distance : 3    Plx : 2    PM : 2   

   

Observing logs
IUE : 2   

   

External archives :

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2MASS J20271740+4341224 V* V503 Cyg Gaia DR3 2069105580089321472 Gaia DR2 2069105580089321472

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