HR 3159
HR 3159 is a single star in the southern constellation of Carina, positioned near the southern constellation border with Volans. It has the Bayer designation D Carinae; "HR 3159" is the "Bright Star Catalogue" designation. This object has a blue-white hue and is visible to the naked eye with an apparent visual magnitude of +4.81. It is located at a distance of approximately 499 light years from the Sun based on parallax, and is drifting further away with a radial velocity of 22 km/s.

This object is a B-type main-sequence star with a stellar classification of B4V, which indicates it is undergoing core hydrogen fusion. The star has a radius of nearly four times the radius of the Sun, and over six times the Sun's mass. Age estimates range from 17 up to 176 million years old, and it is spinning with a projected rotational velocity of 43 km/s. It is radiating 912 times the luminosity of the Sun from its photosphere at an effective temperature of 16,983 K.
Q523
star
Concept
Q8928
constellation
Concept
Q10470
Carina
CEL
Q10437
Volans
CEL
Q105616
Bayer designation
Concept
Q499138
Bright Star Catalogue
CEL
Q124313
apparent visual magnitude
Concept
Q531
light years
Concept
Q525
Sun
CEL
Q906561
parallax
Concept
Q240105
radial velocity
Concept
Q767432
B-type main-sequence star
Concept
Q25377588
stellar classification
Concept
Q60790215
core
Concept
Q13082
hydrogen fusion
Concept
Q180892
Sun's mass
Concept
Q6464
projected rotational velocity
Concept
Q843877
luminosity of the Sun
Concept
Q6372
photosphere
Concept
Q854050
effective temperature
Concept
Q2403908
HR 3159
CEL
Q2403908
HR 3159
CEL
3159-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
3159
DATE
3159-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
3159
DATE
++4.81^^http://www.w3.org/2001/XMLSchema#decimal
+4.81
NUMBER
+22^^http://www.w3.org/2001/XMLSchema#decimal
22
NUMBER
+4^^http://www.w3.org/2001/XMLSchema#decimal
4
NUMBER
+17^^http://www.w3.org/2001/XMLSchema#decimal
17
NUMBER
+43^^http://www.w3.org/2001/XMLSchema#decimal
43
NUMBER
instance of
constellation
instance of
instance of