18591+1810 HU 331 (HD 230309)
18h 59m 05.92s +18° 10' 05.3" P.A. 208.00 sep 0.6 mag 9.96,10.05 Sp F8 dist. 173.61 pc (566.32 l.y.)
| Coord 2000 |
18591+1810 |
|
Discov num |
HU 331 |
|
Comp |
|
|
Coord arcsec 2000 |
18 59 05.92 +18 10 05.3 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
17 |
|
| Pa first |
193 |
|
Pa last |
207.6 |
|
P.A. Now (θ) |
207.6° |
|
| Sep first |
0.9 |
|
Sep last |
0.557 |
|
Sep. Now (ρ) |
0.557" |
|
| Mag pri |
9.96 |
|
Mag sec |
10.05 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-020 |
|
Sec motion ra |
-020 |
|
| Pri motion dec |
-030 |
|
Sec motion dec |
-030 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 230309 |
|
Constellation |
Aquila |
|
SAO |
104312 |
|
HIP |
93205 |
|
| Tycho2 |
1589-00118-1 |
|
Gaia DR2 |
4517286008836006784 |
|
HD |
230309 |
|
ADS |
11904 |
|
| BD |
BD+17 3805 |
|
Distance |
173.61 |
|
Distance ly |
566.32 |
|