2002A&A...396..633M

Query : 2002A&A...396..633M

2002A&A...396..633M - Astronomy and Astrophysics, volume 396, 633-640 (2002/12-3)

Time-resolved, multi-color photometry and spectroscopy of Virgo 4 (OU Vir): A high orbital inclination, short orbital period dwarf nova.

MASON E., HOWELL S.B., SZKODY P., HARRISON T.E., HOLTZMAN J.A. and HOARD D.W.

Abstract (from CDS):

We present multi-color photometry and time resolved spectroscopy of OU Vir. The analysis of the quiescent light curve shows that OU Vir is characterized by i) strong cycle-to-cycle brightness variations, and ii) hot spot modulated light curve with grazing eclipse of the impact region. Colors are derived both in- and out- of eclipse. The time-resolved spectroscopy allows us to produce the radial velocity curve from the Hα accretion disk emission line which possibly reveals only weak evidence for hot spot line emission. The hot spot is believed to be a turbulent optically thick region, producing mostly continuum emission.

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Journal keyword(s): stars: dwarf novae - techniques: photometric - techniques: spectroscopic - stars: individual: OU Vir

Simbad objects: 11

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Number of rows : 11
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 V* HT Cas CV* 01 10 13.1213394144 +60 04 35.489642700     14.10     M5.5e 388 0
2 V* Z Cha CV* 08 07 27.7517751528 -76 32 00.665029356           M5.5 605 1
3 V* OY Car CV* 10 06 22.0793274312 -70 14 04.584660540           ~ 569 0
4 BD-00 2387 PM* 10 55 04.2298108176 -00 48 18.865013220 12.172 11.154 10.074 9.429 8.905 K5III: 59 0
5 HD 94603 * 10 55 16.9741626864 -01 25 28.804267956   9.43 9.35 9.31 9.651 ApSrEuCr 37 0
6 HD 118850 * 13 39 35.4757722504 -01 13 27.440628132   10.416 9.529     G8IV 16 0
7 V* OU Vir CV* 14 35 00.2216793576 -00 46 06.269754864   18.5       M2: 51 0
8 HD 129727 * 14 44 14.0826007032 -00 37 06.688488972 9.803 9.855 9.477 9.244 9.009 F0V 22 0
9 HD 139197 * 15 36 48.0966300384 -00 15 07.083047556 9.591 9.435 9.036 8.804 8.578 A9IV 30 0
10 V* V893 Sco CV* 16 15 14.9804783976 -28 37 32.113386876           ~ 85 0
11 V* WZ Sge CV* 20 07 36.5037622512 +17 42 14.733254952   15.30 15.20     DAepv 946 0

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