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Table · dataset · 2025

V361 Cam UBVRRcIIc light curves

Listed in IVOA Registry (Virtual Observatory)

Our multicolour photometric measurements of V361 Cam (P=8.64day, V=10.79mag, e=0.12, B5 V + B9 V) over the past 16 years, as well as TESS data, allowed us to determine for the first time the main physical characteristics of the system and measure the apsidal rotation velocity.

Description

The following physical parameters of the component stars were obtained: T1=15400+/-300K, M1=(6.0+/-0.4)M_{sun}_, R1=(5.03+/-0.05)R_{sun}_, T2=11700+/-250K, M2=(2.8+/-0.2)M_{sun}_, R2=(1.94+/-0.04)R_{sun}_.

The photometric parallax of 0.00035"+/-0.00001" matches the Gaia measurement of 0.00035"+/-0.00003". The apsidal rotation velocity is dw/dt=0.024+/-0.007deg/year, which is less than the theoretical value under the synchronism condition dw/dt=0.056+/-0.006deg/year. The age of the system, assuming solar chemical composition, is 70Myr.

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Both components are pulsating beta Cephei variables.

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Stated by source
Infrared · Optical
Inferred from text
Astronomical sciences 69%
Provenance · 1 source records, 10 field assertions
SourceKeyLast seenRaw
IVOA Registry (Virtual Observatory)ivo://cds.vizier/j/other/arep/69.11814 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · IVOA Registryconnector:ivoa_registry@1.0.0
concepts[field].anzsrc:group:5101enrichment · IVOA Registrytaxonomy-embedding@1.1.0title+keywords+description (69%)
concepts[field].local:field:astronomymapping · IVOA Registryconnector:ivoa_registry@1.0.0
concepts[modality].ivoa_waveband:infraredsource · IVOA Registryconnector:ivoa_registry@1.0.0
concepts[modality].ivoa_waveband:opticalsource · IVOA Registryconnector:ivoa_registry@1.0.0
descriptionsource · IVOA Registryconnector:ivoa_registry@1.0.0rr.resource.res_description
license_textsource · IVOA Registryconnector:ivoa_registry@1.0.0
publication_datesource · IVOA Registryconnector:ivoa_registry@1.0.0
titlesource · IVOA Registryconnector:ivoa_registry@1.0.0rr.resource.res_title
updated_datesource · IVOA Registryconnector:ivoa_registry@1.0.0