X Caeli

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X Caeli
Observation data
Epoch J2000      Equinox J2000
Constellation Caelum
Right ascension 05h 04m 26.157s
Declination -35° 42′ 18.393″
Apparent magnitude (V) 6.335
Spectral type F1III
U−B color index 0.08
B−V color index 0.3
Variable type Delta Scuti variable
Radial velocity (Rv) 5.9 km/s
Proper motion (μ) RA: 28.46 mas/yr
Dec.: 40.58 mas/yr
Parallax (π) 9.77 ± 0.69 mas
Distance 330 ± 20 ly
(102 ± 7 pc)
Absolute magnitude (MV) 6.605
Mass 1.7 M
Radius 1.4 R
Luminosity L
Temperature 6,000–7,500 K
Other designations
X Caeli, HR 1653, HD 32846, CD-35°2090, HIP 23596, SAO 195534, GC 6214, CCDM 05044-3542.
Database references
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

X Caeli, also known as Gamma2 Caeli2 Cae, γ2 Caeli) is a binary star in the constellation Caelum. It is approximately 334 light years from Earth.

The primary component, X Caeli A, is a yellow-white F-type giant with a mean apparent magnitude of +6.32. It is classified as a Delta Scuti type variable star and its brightness varies from magnitude +6.28 to +6.39 with a period of 3.25 hours. The companion star, X Caeli B, has an apparent magnitude of +9.6 and is 0.886 arcseconds from the primary, and spectral type F2IV/V.