17 Vulpeculae, a blue main-sequence star in Vulpecula
17 Vulpeculae is a blue main-sequence star in the constellation Vulpecula. At 503 light years away, it shines at an apparent visual magnitude of 5.08.
17 Vulpeculae (HIP 99080)
17 Vulpeculae is a blue main-sequence star in the constellation Vulpecula. At 503 light years away, it shines at an apparent visual magnitude of 5.08. The iron abundance of 17 Vulpeculae is -0.14 (72.4% of the Sun). It is moving through the Galaxy at a speed of 13.7 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,900 and 28,500 light years from the center of the Galaxy.
Sky position: RA 20h 6.9m, Dec +23° 36.6'
Common designations: 17 Vulpeculae, HIP 99080, HD 190993, HR 7688
Brightest stars in Vulpecula:
(list all)
| Rank | Mag. | Star |
| 5 | 4.66 | 15 Vulpeculae |
| 6 | 4.76 | 1 Vulpeculae |
| 7 | 4.79 | HR 7739 |
| 8 | 4.81 | 29 Vulpeculae |
| 9 | 4.90 | 12 Vulpeculae |
| 10 | 4.92 | 30 Vulpeculae |
| 11 | 5.00 | 9 Vulpeculae |
| 12 | 5.03 | 32 Vulpeculae |
| 13 | 5.06 | 28 Vulpeculae |
14
| 5.08
) 17 Vulpeculae
| Rank | Mag. | Star |
| 15 | 5.14 | 4 Vulpeculae |
| 16 | 5.18 | 22 Vulpeculae |
| 17 | 5.19 | 21 Vulpeculae |
| 18 | 5.22 | 3 Vulpeculae |
| 19 | 5.23 | 16 Vulpeculae |
| 20 | 5.30 | 24 Vulpeculae |
| 21 | 5.30 | HR 8032 |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of 17 Vulpeculae
(compared to the Sun)
E
ccentricity: 8.8% vs. 16.0%Angle φ : 0.8°vs. 26.0°
Semi-major axis : 8,033 pc vs. 8,686 pc
Semi-minor axis: 8,003 pc vs. 8,574 pc
Focus-to-center
: 703 pcvs. 1,388 pcSemilatus rectum : 7,972 pc vs. 8,464 pc
Perigalacticon: 7,330 pc vs. 7,297 pc
Apogalacticon
: 8,737 pcvs. 10,074 pcSome Tabulated XHIP Data for 17 Vulpeculae
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 301.72249143° ±0.17 mas | 15.60 ±0.17 mas/yr. |
| Declination: | 23.61442409° ±0.14 mas | 0.30 ±0.16 mas/yr. |
| Galactic Longitude: | 62.48363484° | 8.60 mas/yr. |
| Galactic Latitude: | -4.64526885° | -13.02 mas/yr. |
Parallax: 6.47 ± 0.27 mas
Spectrography
Spectral Type: B2.5V 1976A&AS...26..241C.
Radial Velocity: -7.60 ±0.80 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
-0.14 ±0.04 dex
2011A&A...525A..71W.
Photometry
| band | magnitude | Abs. Mag. |
| U | ||
| B | 4.92 | -1.02 |
| V | 5.08 | -0.86 |
| R | ||
| I | 5.22 | -0.72 |
| J | 5.38 | -0.56 |
| H | 5.52 | -0.42 |
| K | 5.57 | -0.37 |
B-V: -0.16 V-I: -0.14
Derivations
Heliocentric distance: 154.24 pc (4.2% margin of error)
Galactocentric distance: 7,330 pc
Transverse velocity: 11.4 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | 71.0 pc | 136.3 pc | -12.5 pc |
| Velocity (U, V, W) | -9.4 km/s | -4.5 km/s | -8.9 km/s |