18541-2259 ALD 71 (HD 174975)
18h 54m 11.76s -22° 58' 43.1" P.A. 158.00 sep 2.1 mag 10.72,10.93 Sp F0/2V
Coord 2000 |
18541-2259 |
|
Discov num |
ALD 71 |
|
Comp |
|
|
Coord arcsec 2000 |
18 54 11.76 -22 58 43.1 |
|
Date first |
1927 |
|
Date last |
1991 |
|
Obs |
6 |
|
Pa first |
157 |
|
Pa last |
157.9 |
|
P.A. Now (θ) |
157.9° |
|
Sep first |
2.0 |
|
Sep last |
2.087 |
|
Sep. Now (ρ) |
2.087" |
|
Mag pri |
10.72 |
|
Mag sec |
10.93 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
F0/2V (yellow-white) |
|
Pri motion ra |
+009 |
|
Sec motion ra |
|
|
Pri motion dec |
+000 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 174975 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6860-00059-1 |
|
Gaia DR2 |
4075597168435827456 |
|
HD |
174975 |
|