18495+1811 HDS 2668 (HD 229631)
18h 49m 30.12s +18° 11' 13.4" P.A. 60.00 sep 0.4 mag 9.11,11.64 Sp A0 dist. 263.85 pc (860.68 l.y.)
Coord 2000 |
18495+1811 |
|
Discov num |
HDS2668 |
|
Comp |
|
|
Coord arcsec 2000 |
18 49 30.12 +18 11 13.4 |
|
Date first |
1991 |
|
Date last |
2014 |
|
Obs |
4 |
|
Pa first |
55 |
|
Pa last |
60.2 |
|
P.A. Now (θ) |
60.2° |
|
Sep first |
0.5 |
|
Sep last |
0.421 |
|
Sep. Now (ρ) |
0.421" |
|
Mag pri |
9.11 |
|
Mag sec |
11.64 |
|
delta mag (ΔM) |
2.53 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
|
|
Pri motion dec |
+009 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 229631 |
|
Constellation |
Hercules |
|
SAO |
104148 |
|
HIP |
92374 |
|
Tycho2 |
1588-00402-1 |
|
Gaia DR2 |
4512233478008451200 |
|
HD |
229631 |
|
BD |
BD+18 3833 |
|
Distance |
263.85 |
|
Distance ly |
860.68 |
|