20045-4457 HDS 2862 (HD 189951)
20h 04m 29.77s -44° 56' 48.8" P.A. 3.00 sep 0.4 mag 8.48,8.87 Sp A9IV dist. 190.48 pc (621.35 l.y.)
Coord 2000 |
20045-4457 |
|
Discov num |
HDS2862 |
|
Comp |
|
|
Coord arcsec 2000 |
20 04 29.77 -44 56 48.8 |
|
Date first |
1991 |
|
Date last |
2014 |
|
Obs |
3 |
|
Pa first |
1 |
|
Pa last |
2.9 |
|
P.A. Now (θ) |
2.9° |
|
Sep first |
0.3 |
|
Sep last |
0.394 |
|
Sep. Now (ρ) |
0.394" |
|
Mag pri |
8.48 |
|
Mag sec |
8.87 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
A9IV (white) |
|
Pri motion ra |
+017 |
|
Sec motion ra |
|
|
Pri motion dec |
-009 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 189951 |
|
Constellation |
Sagittarius |
|
SAO |
230024 |
|
HIP |
98859 |
|
Tycho2 |
7959-00925-1 |
|
HD |
189951 |
|
CD |
CD-4513590 |
|
CP |
CP-45 9859 |
|
Distance |
190.48 |
|
Distance ly |
621.35 |
|