43 Sagittarii, a yellow bright giant star in Sagittarius
43 Sagittarii is a yellow bright giant star in the constellation Sagittarius. At 481 light years away, it shines at an apparent visual magnitude of 4.88.
43 Sagittarii (HIP 94820)
43 Sagittarii is a yellow bright giant star in the constellation Sagittarius. At 481 light years away, it shines at an apparent visual magnitude of 4.88. The iron abundance of 43 Sagittarii is -0.14 (72.4% of the Sun). It is moving through the Galaxy at a speed of 18.5 km/s relative to the Sun. Its projected Galactic orbit carries it between 21,900 and 30,600 light years from the center of the Galaxy. It came closest to the Sun 6.2 million years ago when it had brightened to magnitude 3.77 from a distance of 288 light years.
Sky position: RA 19h 17.6m, Dec -18° 57'
Common designations: d Sagittarii, 43 Sagittarii, HIP 94820, HD 180540, HR 7304
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Brightest stars in Sagittarius:
(list all)
| Rank | Mag. | Star |
| 28 | 4.70 | Terebellum |
| 29 | 4.74 | 4 Sagittarii |
| 30 | 4.77 | HR 7652 |
| 31 | 4.81 | 21 Sagittarii |
| 32 | 4.84 | Terebellum |
| 33 | 4.86 | HR 7029 |
| 34 | 4.86 | Ain al Rami |
| 35 | 4.86 | Psi Sagittarii |
| 36 | 4.87 | 56 Sagittarii |
37
| 4.88
) 43 Sagittarii
| Rank | Mag. | Star |
| 38 | 4.96 | 11 Sagittarii |
| 39 | 4.99 | HR 7659 |
| 40 | 5.00 | HD 163755 |
| 41 | 5.00 | Nu-2 Sagittarii |
| 42 | 5.01 | 61 Sagittarii |
| 43 | 5.02 | Xi-1 Sagittarii |
| 44 | 5.02 | Chi-1 Sagittarii |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of 43 Sagittarii
(compared to the Sun)
E
ccentricity: 16.7% vs. 16.0%Angle φ : 62.3°vs. 26.0°
Semi-major axis : 8,053 pc vs. 8,686 pc
Semi-minor axis: 7,940 pc vs. 8,574 pc
Focus-to-center
: 1,345 pcvs. 1,388 pcSemilatus rectum : 7,829 pc vs. 8,464 pc
Perigalacticon: 6,708 pc vs. 7,297 pc
Apogalacticon
: 9,399 pcvs. 10,074 pcSome Tabulated XHIP Data for 43 Sagittarii
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 289.40868975° ±0.25 mas | -11.50 ±0.40 mas/yr. |
| Declination: | -18.95288201° ±0.16 mas | -10.90 ±0.40 mas/yr. |
| Galactic Longitude: | 18.61092666° | -14.66 mas/yr. |
| Galactic Latitude: | -14.12894413° | 6.01 mas/yr. |
Parallax: 6.77 ± 0.27 mas
Spectrography
Spectral Type: G8II-III 1989ApJS...71..245K.
Radial Velocity: 14.80 ±0.90 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
-0.14 ±0.06 dex
2007A&A...475.1003H.
Photometry
| band | magnitude | Abs. Mag. |
| U | ||
| B | 5.89 | 0.05 |
| V | 4.88 | -0.96 |
| R | ||
| I | 4.01 | -1.84 |
| J | 3.03 | -2.82 |
| H | 2.58 | -3.26 |
| K | 2.49 | -3.35 |
B-V: +1.01 V-I: +0.87
Derivations
Heliocentric distance: 147.43 pc (4.0% margin of error)
Galactocentric distance: 7,265 pc
Transverse velocity: 11.1 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | 135.5 pc | 45.6 pc | -36.0 pc |
| Velocity (U, V, W) | 17.8 km/s | -4.8 km/s | 0.5 km/s |