Stars Constellations Articles Sitemap ← Back
Stars in Sagittarius

HR 6936, a white giant star in Sagittarius

HR 6936 is a white giant star in the constellation Sagittarius. At 288 light years away, it shines at an apparent visual magnitude of 5.37.

Ashland Astronomy Studio Star

HR 6936 (HIP 90763)

HR 6936 is a white giant star in the constellation Sagittarius. At 288 light years away, it shines at an apparent visual magnitude of 5.37. HR 6936 is a multiple-star system. It is moving through the Galaxy at a speed of 19.5 km/s relative to the Sun. Its projected Galactic orbit carries it between 21,100 and 26,000 light years from the center of the Galaxy.

Sky position: RA 18h 31.1m, Dec -32° 59.4'

Common designations: HIP 90763, HD 170479, HR 6936



Brightest stars in Sagittarius:
(list all)

RankMag.Star
475.2229 Sagittarii
485.28HR 6960
495.2915 Sagittarii
505.3054 Sagittarii
515.30Theta-2 Sagittarii
525.32HR 7552
535.32Gliese 783 A
545.33HR 6870
555.377 Sagittarii

56

| 5.37

) HR 6936

RankMag.Star
575.3728 Sagittarii
585.45Chi-3 Sagittarii
595.46HR 7398
605.46Gliese 9663
615.4914 Sagittarii
625.4924 Sagittarii
635.49HR 7211
Location of HR 6936 circled Map detail from Stars of the Northern Hemisphere
Hover over other bright stars to identify or click to jump.

Galactic Orbit of HR 6936

(compared to the Sun)

E

ccentricity: 10.5% vs. 16.0%

Angle φ : 102.6°vs. 26.0°

Semi-major axis : 7,226 pc vs. 8,686 pc

Semi-minor axis: 7,186 pc vs. 8,574 pc

Focus-to-center

: 756 pcvs. 1,388 pc

Semilatus rectum : 7,147 pc vs. 8,464 pc

Perigalacticon: 6,470 pc vs. 7,297 pc

Apogalacticon

: 7,982 pcvs. 10,074 pc
  Some Tabulated XHIP Data for HR 6936
(see also: SIMBAD)

Astrometry
2007A&A...474..653V

Position Proper Motion
Right Ascension: 277.77018800° ±0.63 mas -1.90 ±0.70 mas/yr.
Declination: -32.98900168° ±0.44 mas -41.10 ±0.70 mas/yr.
Galactic Longitude: 1.10742372° -37.88 mas/yr.
Galactic Latitude: -10.48933699° -16.07 mas/yr.

Parallax: 11.25 ± 0.80 mas

Spectrography

Spectral Type: A6III-IV 1995ApJS...99..135A.

Radial Velocity: 9.20 ±2.80 km/s [A rating] 2006AstL...32..759G.

Iron Abundance [Fe/H]: n/a

Photometry
 

band magnitude Abs. Mag.
U
B 5.55 0.82
V 5.37 0.64
R
I 5.21 0.48
J 4.99 0.25
H 4.96 0.23
K 4.87 0.14

B-V: +0.18 V-I: +0.16

Derivations

Heliocentric distance: 88.35 pc (7.1% margin of error)

Galactocentric distance: 7,313 pc

Transverse velocity: 17.2 km/s

3D heliocentric position and motion:

toward:   

Galactic center Galactic rotation North Galactic Pole
Position ( X, Y, Z) 86.9 pc 1.7 pc -16.1 pc
Velocity (U, V, W) 8.1 km/s -15.7 km/s -8.3 km/s

← Back to all stars
// Fade in · only sidebar boxes, never the main content if('IntersectionObserver' in window){var io=new IntersectionObserver(function(es){es.forEach(function(en){if(en.isIntersecting){en.target.style.opacity='1';en.target.style.transform='none';io.unobserve(en.target);}});},{threshold:.05});document.querySelectorAll('.side__box').forEach(function(el){el.style.opacity='0';el.style.transform='translateY(10px)';el.style.transition='opacity .4s ease,transform .4s ease';io.observe(el);});}