HR 3055 (HIP 38164)

HR 3055 is a blue giant star in the constellation Puppis. At 1,608 light years away, it shines at an apparent visual magnitude of 4.10. HR 3055 is a component of a multiple-star system. The iron abundance of HR 3055 is +0.16 (144.5% of the Sun). It is moving through the Galaxy at a speed of 33.9 km/s relative to the Sun. Its projected Galactic orbit carries it between 22,900 and 24,400 light years from the center of the Galaxy.

Sky position: RA 7h 49.2m, Dec -46 22.2'

Common designations: P Puppis, HIP 38164, HD 63922, HR 3055

Moon Calendar Magnets

Stick to Most Steel Surfaces


Brightest stars in Puppis:
(list all)

3

|    2.83

)   Rho Puppis

4

|    2.94

)   Tau Puppis

5

|    3.17

)   Nu Puppis

6

|    3.25

)   Sigma Puppis

7

|    3.34

)   Azmidiske

8

|    3.62

)   c Puppis

9

|    3.71

)   a Puppis

10

|    3.80

)   Markeb

11

|    3.94

)   3 Puppis

12

|    4.10

)   HR 3055

13

|    4.20

)   11 Puppis

14

|    4.22

)   J Puppis

15

|    4.40

)   Omicron Puppis

16

|    4.40

)   16 Puppis

17

|    4.42

)   L2 Puppis

18

|    4.42

)   h2 Puppis

19

|    4.44

)   Gliese 279

Location of HR 3055 circled
Map detail from Stars of the Northern Hemisphere
Hover over other bright stars to identify or click to jump.


Galactic Orbit of HR 3055

(compared to the Sun)

Eccentricity: 3.3% vs. 16.0%

Angle φ : -176.6 vs. 26.0

Semi-major axis : 7,259 pc vs. 8,686 pc

Semi-minor axis: 7,255 pc vs. 8,574 pc

Focus-to-center: 240 pc vs. 1,388 pc

Semilatus rectum : 7,251 pc vs. 8,464 pc

Perigalacticon: 7,019 pc vs. 7,297 pc

Apogalacticon: 7,498 pc vs. 10,074 pc
 


Some Tabulated XHIP Data for HR 3055
(see also: SIMBAD)

Astrometry
2007A&A...474..653V
  Position Proper Motion
Right Ascension: 117.30957939 0.23 mas -3.50 0.80 mas/yr.
Declination: -46.37322722 0.26 mas 9.60 0.80 mas/yr.
     
Galactic Longitude: 260.17969838 -10.10 mas/yr.
Galactic Latitude: -10.18543578 1.57 mas/yr.

Parallax: 1.98 0.28 mas


Spectrography

Spectral Type: B0 III 1978MSS...C02....0H.

Radial Velocity: 24.00 2.70 km/s [A rating] 2006AstL...32..759G.

Iron Abundance [Fe/H]: 0.16 dex  2008ApJ...688L.103P, 1994A&A...282..867K.
 



Photometry
 
band magnitude Abs. Mag.
U 2.92 -5.55
B 3.94 -4.53
V 4.10 -4.37
R
I 4.24 -4.22
J 4.48 -3.99
H 4.69 -3.77
K 4.67 -3.80

  B-V: -0.16       V-I: -0.14


Derivations

Heliocentric distance: 493.21 pc (14.1% margin of error)

Galactocentric distance: 7,498 pc

Transverse velocity: 23.9 km/s

3D heliocentric position and motion:

toward:   

Galactic center Galactic rotation North Galactic Pole
Position ( X, Y, Z) -82.8 pc -478.3 pc -87.2 pc
Velocity (U, V, W) -27.4 km/s -19.9 km/s -0.6 km/s

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