HR 3055, a blue giant star in Puppis
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 4.1.
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
Brightest stars in Puppis:
(list all)
| Rank | Mag. | Star |
| 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
| Rank | Mag. | Star |
| 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 |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of HR 3055
(compared to the Sun)
E
ccentricity: 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 pcvs. 1,388 pcSemilatus rectum : 7,251 pc vs. 8,464 pc
Perigalacticon: 7,019 pc vs. 7,297 pc
Apogalacticon
: 7,498 pcvs. 10,074 pcSome 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 |