2018PASP..130f4202P

Query : 2018PASP..130f4202P

2018PASP..130f4202P - Publ. Astron. Soc. Pac., 130, part no 6, 4202-64202 (2018/June-0)

Orbital period changes in WZ Sagittae.

PATTERSON J., STONE G., KEMP J., SKILLMAN D.R., DE MIGUEL E., POTTER M., STARKEY D., UTHAS H., JONES J., SLAUSON D., KOFF R., MYERS G., MENZIES K., CAMPBELL T., ROBERTS G., FOOTE J., VANMUNSTER T., COOK L.M., KRAJCI T., OGMEN Y., SABO R. and SEARGEANT J.

Abstract (from CDS):

We report a long-term (1961-2017) study of the eclipse times in the dwarf nova WZ Sagittae, in an effort to learn its rate of orbital-period change. Some wiggles with a timescale of 20-50 years are apparent, and a connection with the ∼23 year interval between dwarf-nova eruptions is possible. These back-and-forth wiggles dominate the O-C diagram, and prevent a secure measurement of the steady rate of orbital-period change.

Abstract Copyright: © 2018. The Astronomical Society of the Pacific. All rights reserved.

Journal keyword(s):

Simbad objects: 7

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Number of rows : 7
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 V* HT Cas CV* 01 10 13.1213394144 +60 04 35.489642700     14.10     M5.5e 401 0
3 V* Z Cha CV* 08 07 27.7517751528 -76 32 00.665029356           M5.5 620 1
4 V* DV UMa CV* 09 46 36.5964360384 +44 46 44.683031784   19.0       DA:+M 131 0
5 V* OY Car CV* 10 06 22.0793274312 -70 14 04.584660540           ~ 586 0
6 V* V2051 Oph CV* 17 08 19.0873634976 -25 48 31.704262776   17.5       ~ 252 0
7 V* WZ Sge CV* 20 07 36.5037622512 +17 42 14.733254952   15.30 15.20 10.817   D 982 0

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