17543-1828 A 2253
17h 54m 16.46s -18° 27' 51.8" P.A. 75.00 sep 0.4 mag 9.60,12.90 Sp F7V
Coord 2000 |
17543-1828 |
|
Discov num |
A 2253 |
|
Comp |
|
|
Coord arcsec 2000 |
17 54 16.46 -18 27 51.8 |
|
Date first |
1910 |
|
Date last |
1937 |
|
Obs |
5 |
|
Pa first |
111 |
|
Pa last |
75.3 |
|
P.A. Now (θ) |
75.3° |
|
Sep first |
0.6 |
|
Sep last |
0.39 |
|
Sep. Now (ρ) |
0.39" |
|
Mag pri |
9.60 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
3.3 |
|
Spectral class |
F7V (yellow-white) |
|
Pri motion ra |
+037 |
|
Sec motion ra |
|
|
Pri motion dec |
-028 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
SAO |
160895 |
|
Tycho2 |
6254-00021-1 |
|
Gaia DR2 |
4119660101302514304 |
|
HD |
162921 |
|