HR 2549 (HIP 32855)

HR 2549 is an orange giant star in the constellation Puppis. At 811 light years away, it shines at an apparent visual magnitude of 4.99. It is moving through the Galaxy at a speed of 30.7 km/s relative to the Sun. Its projected Galactic orbit carries it between 19,500 and 24,600 light years from the center of the Galaxy. It came closest to the Sun 7.8 million years ago when it had brightened to magnitude 1.13 from a distance of 137 light years.

Sky position: RA 6h 50.9m, Dec -34 22.2'

Common designations: HIP 32855, HD 50235, HR 2549

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Brightest stars in Puppis:
(list all)

39

|    4.82

)   HD 60414

40

|    4.83

)   A Puppis

41

|    4.83

)   w Puppis

42

|    4.84

)   d1 Puppis

43

|    4.85

)   HD 59612

44

|    4.87

)   L1 Puppis

45

|    4.92

)   H Puppis

46

|    4.94

)   HR 2608

47

|    4.98

)   140 Puppis

48

|    4.99

)   HR 2549

49

|    4.99

)   20 Puppis

50

|    5.01

)   212 Puppis

51

|    5.03

)   HR 2770

52

|    5.03

)   4 Puppis

53

|    5.04

)   Gliese 284

54

|    5.05

)   Y Puppis

55

|    5.06

)   n Puppis

Location of HR 2549 circled
Map detail from Stars of the Northern Hemisphere
Hover over other bright stars to identify or click to jump.


Galactic Orbit of HR 2549

(compared to the Sun)

Eccentricity: 11.4% vs. 16.0%

Angle φ : 164.6 vs. 26.0

Semi-major axis : 6,768 pc vs. 8,686 pc

Semi-minor axis: 6,724 pc vs. 8,574 pc

Focus-to-center: 774 pc vs. 1,388 pc

Semilatus rectum : 6,680 pc vs. 8,464 pc

Perigalacticon: 5,994 pc vs. 7,297 pc

Apogalacticon: 7,542 pc vs. 10,074 pc
 


Some Tabulated XHIP Data for HR 2549
(see also: SIMBAD)

Astrometry
2007A&A...474..653V
  Position Proper Motion
Right Ascension: 102.71812254 0.17 mas 4.22 0.20 mas/yr.
Declination: -34.36732048 0.21 mas 1.26 0.26 mas/yr.
     
Galactic Longitude: 244.21140063 0.48 mas/yr.
Galactic Latitude: -15.02340448 4.38 mas/yr.

Parallax: 4.00 0.25 mas


Spectrography

Spectral Type: K2/3 III 1982MSS...C03....0H.

Radial Velocity: 30.30 0.80 km/s [A rating] 2006AstL...32..759G.

Iron Abundance [Fe/H]: n/a
 



Photometry
 
band magnitude Abs. Mag.
U
B 6.37 -0.61
V 4.99 -1.99
R
I 3.87 -3.11
J 2.71 -4.27
H 2.10 -4.88
K 1.95 -5.03

  B-V: +1.38       V-I: +1.12


Derivations

Heliocentric distance: 248.83 pc (6.3% margin of error)

Galactocentric distance: 7,508 pc

Transverse velocity: 5.2 km/s

3D heliocentric position and motion:

toward:   

Galactic center Galactic rotation North Galactic Pole
Position ( X, Y, Z) -104.6 pc -216.4 pc -64.5 pc
Velocity (U, V, W) -12.8 km/s -27.8 km/s -2.9 km/s

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