HR 244
HR 244 is a single star in the constellation Cassiopeia. It has a yellow-white hue and is visible to the naked eye with an apparent visual magnitude of 4.80. Based upon parallax measurements, it is located at a distance of 61 light years from the Sun, and is drifting further away with a radial velocity of +20.7 km/s; around 546,000 years ago it passed within of the Sun. The star has a relatively high proper motion, traversing the celestial sphere at the rate of per annum.

This object is an F-type main-sequence star with a stellar classification of F9V, a star that is currently fusing its core hydrogen. It is 5.3 billion years old and is spinning with a projected rotational velocity of 8 km/s. The star has 1.2 times the mass of the Sun and 1.7 times the Sun's radius. It is radiating 3.78 times the luminosity of the Sun from its photosphere at an effective temperature of 6,105 K.
Q523
star
Concept
Q8928
constellation
Concept
Q10464
Cassiopeia
CEL
Q124313
apparent visual magnitude
Concept
Q906561
parallax
Concept
Q531
light year
Concept
Q240105
radial velocity
Concept
Q193223
proper motion
Concept
Q12134
celestial sphere
Concept
Q1353952
F-type main-sequence star
Concept
Q25377588
stellar classification
Concept
Q13082
fusing
Concept
Q60790215
core
Concept
Q556
hydrogen
Concept
Q6464
projected rotational velocity
Concept
Q180892
mass of the Sun
Concept
Q48440
Sun's radius
Concept
Q843877
luminosity of the Sun
Concept
Q6372
photosphere
Concept
Q854050
effective temperature
Concept
Q5097531
HR 244
CEL
+4.80^^http://www.w3.org/2001/XMLSchema#decimal
4.80
NUMBER
+61^^http://www.w3.org/2001/XMLSchema#decimal
61
NUMBER
++20.7^^http://www.w3.org/2001/XMLSchema#decimal
+20.7
NUMBER
+546.000^^http://www.w3.org/2001/XMLSchema#decimal
546,000
NUMBER
+9^^http://www.w3.org/2001/XMLSchema#decimal
9
NUMBER
+5.3^^http://www.w3.org/2001/XMLSchema#decimal
5.3
NUMBER
+8^^http://www.w3.org/2001/XMLSchema#decimal
8
NUMBER
+1.2^^http://www.w3.org/2001/XMLSchema#decimal
1.2
NUMBER
+1.7^^http://www.w3.org/2001/XMLSchema#decimal
1.7
NUMBER
+3.78^^http://www.w3.org/2001/XMLSchema#decimal
3.78
NUMBER
constellation
apparent magnitude
instance of
instance of