HD 76728
HD 76728 is a suspected astrometric binary star system in the constellation Carina. It has the Bayer designation c Carinae; "HD 76728" is the identifier from the "Henry Draper catalogue". The visible component has a blue-white hue and is visible to the naked eye with an apparent visual magnitude of +3.84. The system is located at a distance of approximately 320 light years from the Sun based on parallax, and it is drifting further away with a radial velocity of around +25 km/s. It is a candidate member of the Volans-Carina Association of co-moving stars.

The visible component is an aging bright giant star with a stellar classification of B8/9II. The spectrum of the star displays metallic lines of magnesium. The Volans-Carina Association to which it belongs has an age of 90 million years. The star has five times the radius of the Sun and is radiating 449 times the Sun's luminosity from its photosphere at an effective temperature of 11,880 K.
Q50053
astrometric binary
Concept
Q523
star
Concept
Q8928
constellation
Concept
Q10470
Carina
CEL
Q105616
Bayer designation
Concept
Q111130
Henry Draper catalogue
MEDIA
Q124313
apparent visual magnitude
Concept
Q531
light year
Concept
Q525
Sun
CEL
Q906561
parallax
Concept
Q240105
radial velocity
Concept
Q5881
bright giant
Concept
Q25377588
stellar classification
Concept
Q752171
spectrum
Concept
Q48440
radius of the Sun
Concept
Q843877
Sun's luminosity
Concept
Q6372
photosphere
Concept
Q854050
effective temperature
Concept
Q2608712
HD 76728
CEL
Q2608712
HD 76728
CEL
++3.84^^http://www.w3.org/2001/XMLSchema#decimal
+3.84
NUMBER
++25^^http://www.w3.org/2001/XMLSchema#decimal
+25
NUMBER
+8^^http://www.w3.org/2001/XMLSchema#decimal
8
NUMBER
+9^^http://www.w3.org/2001/XMLSchema#decimal
9
NUMBER
+90^^http://www.w3.org/2001/XMLSchema#decimal
90
NUMBER
instance of
constellation
instance of