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J/A+A/324/965 UBV photometry of V360 Lac (Hill+ 1997)
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Properties and nature of Be stars.
17. V360 Lac = HD 216200 is a B3e + F9IV: binary
Hill G., Harmanec P., Pavlovski K., Bozic H., Hadrava P., Koubsky P.,
Ziznovsky J.
<Astron. Astrophys. 324, 965 (1997)>
=1997A&A...324..965H (SIMBAD/NED BibCode)
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ADC_Keywords: Stars, Be ; Binaries, spectroscopic ; Photometry, UBV
Keywords: Stars: Be - Stars: binaries: spectroscopic -
Stars: binaries: eclipsing - Stars: fundamental parameters
Stars: individual: V360 Lac
Abstract:
An analysis of an extensive collection of photometric and
spectroscopic observations of the little studied bright Be star V360
Lac lead to the following main conclusions:
(1) V360 Lac is a binary system consisting of a B3e primary and a F9IV
secondary which probably fills the Roche lobe and losses mass towards
the primary. Radial-velocity curves of both components were obtained.
(2) The light variations arise from superposition of variations on at
least three time scales: phase-locked orbital brightness and colour
changes with two minima; sinusoidal variation with a 322.24^d^ period
and low-amplitude rapid changes with a possible period of 1.6738^d^.
(3) A tentative solution of the B and V light curves which assumes the
semi-detached configuration and presence of a disk around the primary,
combined with the orbital solution, leads to preliminary basic
physical elements of the system which are consistent with the
radiative properties of the binary components.
Objects:
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RA (2000) DE Name
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22 50 21.7 +41 57 13 V360 Lac = 14 Lac = HD 216200
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table4 77 722 V360 Lac: individual homogenized Johnson UBV
observations from several stations
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See also:
J/A+A/328/551 : Spectroscopic data of 4 Herculis. Paper 18. (Koubsky+ 1997)
Byte-by-byte Description of file: table4
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Bytes Format Units Label Explanations
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1- 12 F12.4 d HJD Heliocentric Julian date
14- 17 F4.2 --- w weight of the data point
19- 24 F6.3 mag Vmag ?=99.999 Johnson V magnitude
26- 31 F6.3 mag Bmag Johnson B magnitude
33- 38 F6.3 mag Umag ?=99.999 Johnson U magnitude
40- 45 F6.3 mag B-V ?=99.999 Johnson B-V index
47- 52 F6.3 mag U-B ?=99.999 Johnson U-B index
55- 59 F5.3 --- X Air mass of the observation
61- 65 F5.3 --- dX Air mass difference between var. and comp.
67- 72 I6 --- HD HD number of the comparison star used
76- 77 I2 --- Obs Numerical code identifying sources of data (1)
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Note (1): Individual observing stations are denoted by their numerical codes
used in the Ondrejov photometric data archives as follows:
1 ... Hvar
3 ... Skalnate Pleso
5 ... Lowell
10... Kitt Peak National Observatory
13... Mt Kobau
33... Lick
46... Heidelberg
47... Akita
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Acknowledgements: Petr Harmanec <hec@sunstel.asu.cas.cz>
References:
Harmanec et al., Paper 1 (EW Lac) 1971BAICz..22...87H
Harmanec et al., Paper 2 (88 Her) 1972BAICz..23..218H
Harmanec et al., Paper 3 (4 Her) 1973A&A....22..337H
Harmanec et al., Paper 4 (88 Her) 1974A&A....33..117H
Harmanec et al., Paper 5 (4 Her) 1975A&A....42...47H
Harmanec et al., Paper 6 (4 Her) 1976BAICz..27...47H
Doazan et al., Paper 7 (88 Her) 1982A&AS...50..481D
Harmanec et al., Paper 8 (88 Her) 1978BAICz..29..278H
Harmanec et al., Paper 9 (HD 174237) 1978BAICz..29..288K
Harmanec et al., Paper 10 (CX Dra) 1980BAICz..31...75K
Horn et al., Paper 11 (V1294 Aql) 1982BAICz..33..308H
Stefl, Paper 12 (KX And) 1985BAICz..36..313S
Koubsky et al., Paper 13 (V923 Aql) 1989BAICz..40...31K
Stefl et al., Paper 14 (KX And) 1990BAICz..41...29S
Harmanec et al., Paper 15 (LQ And) 1991BAICz..42....1H
Juza et al., Paper 16 (5 Dra) 1991BAICz..42...39J
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(End) Patricia Bauer [CDS] 07-Mar-1997