18189-7304 B 1881 (HD 166654)
18h 18m 54.60s -73° 04' 16.5" P.A. 227.00 sep 0.9 mag 9.92,9.97 Sp G0V dist. 178.57 pc (582.5 l.y.)
Coord 2000 |
18189-7304 |
|
Discov num |
B 1881 |
|
Comp |
|
|
Coord arcsec 2000 |
18 18 54.60 -73 04 16.5 |
|
Date first |
1931 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
222 |
|
Pa last |
227.1 |
|
P.A. Now (θ) |
227.1° |
|
Sep first |
0.7 |
|
Sep last |
0.852 |
|
Sep. Now (ρ) |
0.852" |
|
Mag pri |
9.92 |
|
Mag sec |
9.97 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
G0V (yellow) |
|
Pri motion ra |
-023 |
|
Sec motion ra |
-023 |
|
Pri motion dec |
+030 |
|
Sec motion dec |
+030 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 166654 |
|
Constellation |
Pavo |
|
SAO |
257580 |
|
HIP |
89746 |
|
Tycho2 |
9298-01013-1 |
|
Gaia DR2 |
6418143872942313600 |
|
HD |
166654 |
|
CP |
CP-73 1893 |
|
Distance |
178.57 |
|
Distance ly |
582.5 |
|