21515-1139 HU 89 (HD 207747)
21h 51m 29.33s -11° 39' 13.1" P.A. 24.00 sep 0.6 mag 10.79,10.56 Sp G5/6V
Coord 2000 |
21515-1139 |
|
Discov num |
HU 89 |
|
Comp |
|
|
Coord arcsec 2000 |
21 51 29.33 -11 39 13.1 |
|
Date first |
1899 |
|
Date last |
1991 |
|
Obs |
7 |
|
Pa first |
9 |
|
Pa last |
23.6 |
|
P.A. Now (θ) |
23.6° |
|
Sep first |
0.6 |
|
Sep last |
0.55 |
|
Sep. Now (ρ) |
0.55" |
|
Mag pri |
10.79 |
|
Mag sec |
10.56 |
|
delta mag (ΔM) |
0.23 |
|
Spectral class |
G5/6V (yellow) |
|
Pri motion ra |
-021 |
|
Sec motion ra |
-021 |
|
Pri motion dec |
-017 |
|
Sec motion dec |
-017 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 207747 |
|
Constellation |
Capricornus |
|
Tycho2 |
5797-00058-1 |
|
Gaia DR2 |
6844220846501613056 |
|
HD |
207747 |
|