20008-4634 RST 1054 (HD 189172)
20h 00m 46.10s -46° 34' 16.7" P.A. 2.00 sep 0.3 mag 10.80,10.80 Sp G0/1V
Coord 2000 |
20008-4634 |
|
Discov num |
RST1054 |
|
Comp |
|
|
Coord arcsec 2000 |
20 00 46.10 -46 34 16.7 |
|
Date first |
1930 |
|
Date last |
1985 |
|
Obs |
4 |
|
Pa first |
350 |
|
Pa last |
2.1 |
|
P.A. Now (θ) |
2.1° |
|
Sep first |
0.3 |
|
Sep last |
0.31 |
|
Sep. Now (ρ) |
0.31" |
|
Mag pri |
10.80 |
|
Mag sec |
10.80 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
G0/1V (yellow) |
|
Pri motion ra |
+027 |
|
Sec motion ra |
|
|
Pri motion dec |
-048 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 189172 |
|
Constellation |
Telescopium |
|
Tycho2 |
8391-00381-1 |
|
Gaia DR2 |
6671742862633611520 |
|
HD |
189172 |
|