Phi2 Cancri

Phi² Cancri

Observation data Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation	Cancer
φ2 Cnc A
Right ascension	Template:RA
Declination	Template:DEC
Apparent magnitude (V)	6.26
φ2 Cnc B
Right ascension	Template:RA
Declination	Template:DEC
Apparent magnitude (V)	6.31
Characteristics
φ2 Cnc A
Spectral type	A6V
φ2 Cnc B
Spectral type	A3V
Astrometry
φ2 Cnc A
Proper motion (μ)	RA: Template:Val mas/yr Dec.: +1.202 mas/yr
Parallax (π)	9.4528±0.0351 mas
Distance	Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc)
φ2 Cnc B
Proper motion (μ)	RA: Template:Val mas/yr Dec.: +0.110 mas/yr
Parallax (π)	9.3703±0.0306 mas
Distance	Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc)
Details
φ2 Cnc A
Mass	Template:Val Template:Solar mass
Radius	Template:Val Template:Solar radius
Luminosity	Template:Val Template:Solar luminosity
Surface gravity (log g)	Template:Val cgs
Temperature	Template:Val K
φ2 Cnc B
Mass	Template:Val Template:Solar mass
Radius	Template:Val Template:Solar radius
Surface gravity (log g)	Template:Val cgs
Temperature	Template:Val K
Metallicity [Fe/H]	{{{metal_fe2}}} dex
Other designations
Template:Odlist
φ2 Cnc A: Template:Odlist
φ2 Cnc B: Template:Odlist
Database references
SIMBAD	φ2 Cnc A
	φ2 Cnc B

Phi² Cancri (φ² Cancri) is a binary star in the constellation Cancer. With a combined apparent magnitude of 5.54, this system is faintly visible to the naked eye under ideal conditions. Parallax measurements give a distance of Template:Val light-years to this system.

Both components are separated by 5.126 arcseconds on the sky. φ² Cancri A, of apparent magnitude 6.26, has a spectral type A6V, making it an A-type main sequence star. It has around 1.8 times the Sun's mass, 3.19 times the Sun's radius, and 32 times the Sun's luminosity. φ² Cancri B, of apparent magnitude 6.31, is also an A-type main sequence star, of spectral type A3V. It has two times the Sun's mass, 2.8 times the radius, and a hotter surface temperature than φ² Cancri A: Template:Val versus Template:Val.

References

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