11 Puppis (HIP 38835)

11 Puppis is a white bright giant star in the constellation Puppis. At 521 light years away, it shines at an apparent visual magnitude of 4.20. The iron abundance of 11 Puppis is +0.52 (331.1% of the Sun). It is moving through the Galaxy at a speed of 27.9 km/s relative to the Sun. Its projected Galactic orbit carries it between 24,300 and 31,700 light years from the center of the Galaxy.

Sky position: RA 7h 56.9m, Dec -22° 52.8'

Common designations: j Puppis, 11 Puppis, HIP 38835, HD 65228

Learn how to find naked-eye stars with:

Stars of the Northern Hemisphere
Deluxe Astronomy Poster

Brightest stars in Puppis:
(list all)

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

20

|    4.44

)   h1 Puppis

Location of 11 Puppis circled
Map detail from Stars of the Northern Hemisphere
Hover over other bright stars to identify or click to jump.

Galactic Orbit of 11 Puppis
(compared to the Sun)

Eccentricity: 13.2% vs. 16.0%

Angle φ : -12.9° vs. 26.0°

Semi-major axis : 8,592 pc vs. 8,686 pc

Semi-minor axis: 8,517 pc vs. 8,574 pc

Focus-to-center: 1,135 pc vs. 1,388 pc

Semilatus rectum : 8,442 pc vs. 8,464 pc

Perigalacticon: 7,457 pc vs. 7,297 pc

Apogalacticon: 9,727 pc vs. 10,074 pc
 
Some Tabulated XHIP Data for 11 Puppis
(see also: SIMBAD)

Astrometry
 2007A&A...474..653V
  Position Proper Motion
Right Ascension: 119.21482607° ±0.15 mas -30.32 ±0.17 mas/yr.
Declination: -22.88014848° ±0.14 mas 11.46 ±0.16 mas/yr.
     
Galactic Longitude: 240.64212630° -25.51 mas/yr.
Galactic Latitude: 3.07298785° -19.99 mas/yr.

Parallax: 6.25 ± 0.23 mas

Spectrography

Spectral Type: F7/8 II 1988MSS...C04....0H.

Radial Velocity: 13.30 ±0.30 km/s [A rating] 2006AstL...32..759G.

Iron Abundance [Fe/H]: 0.52 dex  1995AJ....110.2425L.
 


Photometry
 
band magnitude Abs. Mag.
U
B 4.92 -1.10
V 4.20 -1.82
R
I 3.53 -2.49
J 2.96 -3.05
H 2.63 -3.38
K 2.56 -3.46

  B-V: +0.72       V-I: +0.67

Derivations

Heliocentric distance: 159.74 pc (3.7% margin of error)

Galactocentric distance: 7,479 pc

Transverse velocity: 24.5 km/s

3D heliocentric position and motion:

toward:   

Galactic center Galactic rotation North Galactic Pole
Position ( X, Y, Z) -78.2 pc -139.0 pc 8.6 pc
Velocity (U, V, W) -23.7 km/s -2.8 km/s -14.4 km/s

< Previous | HIP  38835 | Next >