19 Puppis (HIP 40084)

19 Puppis is a yellow giant star in the constellation Puppis. At 177 light years away, it shines at an apparent visual magnitude of 4.72. 19 Puppis is a multiple-star system. The iron abundance of 19 Puppis is +0.06 (114.8% of the Sun). It is moving through the Galaxy at a speed of 36.7 km/s relative to the Sun. Its projected Galactic orbit carries it between 19,600 and 24,500 light years from the center of the Galaxy. It came closest to the Sun 1.4 million years ago when it had brightened to magnitude 0.99 from a distance of 32 light years.

Sky position: RA 8h 11.3m, Dec -12 55.8'

Common designations: 19 Puppis, HIP 40084, HD 68290

Moon Calendar Poster

Outstanding Lunar Images


Brightest stars in Puppis:
(list all)

25

|    4.53

)   f Puppis

26

|    4.61

)   HR 3131

27

|    4.63

)   1 Puppis

28

|    4.63

)   HR 3089

29

|    4.65

)   v1 Puppis

30

|    4.65

)   HR 2881

31

|    4.65

)   HR 2922

32

|    4.69

)   m Puppis

33

|    4.69

)   Q Puppis

34

|    4.72

)   19 Puppis

35

|    4.73

)   HR 3226

36

|    4.75

)   HR 2762

37

|    4.76

)   chi Puppis

38

|    4.78

)   r Puppis

39

|    4.82

)   HD 60414

40

|    4.83

)   A Puppis

41

|    4.83

)   w Puppis

Location of 19 Puppis circled
Map detail from Stars of the Northern Hemisphere
Hover over other bright stars to identify or click to jump.


Galactic Orbit of 19 Puppis

(compared to the Sun)

Eccentricity: 11.2% vs. 16.0%

Angle φ : -154.9 vs. 26.0

Semi-major axis : 6,761 pc vs. 8,686 pc

Semi-minor axis: 6,718 pc vs. 8,574 pc

Focus-to-center: 759 pc vs. 1,388 pc

Semilatus rectum : 6,676 pc vs. 8,464 pc

Perigalacticon: 6,002 pc vs. 7,297 pc

Apogalacticon: 7,520 pc vs. 10,074 pc
 


Some Tabulated XHIP Data for 19 Puppis
(see also: SIMBAD)

Astrometry
2007A&A...474..653V
  Position Proper Motion
Right Ascension: 122.81800536 0.17 mas -24.10 0.80 mas/yr.
Declination: -12.92701832 0.14 mas 8.80 0.80 mas/yr.
     
Galactic Longitude: 233.88475440 -20.09 mas/yr.
Galactic Latitude: 11.19104927 -15.95 mas/yr.

Parallax: 18.46 0.21 mas


Spectrography

Spectral Type: G8.5IIIb 1989ApJS...71..245K.

Radial Velocity: 36.10 0.70 km/s [A rating] 2006AstL...32..759G.

Iron Abundance [Fe/H]: 0.06 0.06 dex  1990ApJS...74.1075M.
 



Photometry
 
band magnitude Abs. Mag.
U
B 5.66 1.99
V 4.72 1.05
R
I 3.90 0.23
J
H
K

  B-V: +0.94       V-I: +0.82


Derivations

Heliocentric distance: 54.16 pc (1.1% margin of error)

Galactocentric distance: 7,431 pc

Transverse velocity: 6.6 km/s

3D heliocentric position and motion:

toward:   

Galactic center Galactic rotation North Galactic Pole
Position ( X, Y, Z) -31.3 pc -42.9 pc 10.5 pc
Velocity (U, V, W) -25.5 km/s -26.2 km/s 3.0 km/s

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