01187-2249 HDO 47 (HD 7930)
01h 18m 40.42s -22° 49' 15.6" P.A. 62.00 sep 9.6 mag 8.82,10.55 Sp G3V
Coord 2000 |
01187-2249 |
|
Discov num |
HDO 47 |
|
Comp |
|
|
Coord arcsec 2000 |
01 18 40.42 -22 49 15.6 |
|
Date first |
1867 |
|
Date last |
2015 |
|
Obs |
16 |
|
Pa first |
61 |
|
Pa last |
62.2 |
|
P.A. Now (θ) |
62.2° |
|
Sep first |
10.5 |
|
Sep last |
9.62 |
|
Sep. Now (ρ) |
9.62" |
|
Mag pri |
8.82 |
|
Mag sec |
10.55 |
|
delta mag (ΔM) |
1.73 |
|
Spectral class |
G3V (yellow) |
|
Pri motion ra |
+051 |
|
Sec motion ra |
+052 |
|
Pri motion dec |
+020 |
|
Sec motion dec |
+020 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.018 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 7930 |
|
Constellation |
Cetus |
|
SAO |
166948 |
|
Tycho2 |
6425-00219-1 |
|
Gaia DR2 |
5041670626248348160 |
|
HD |
7930 |
|
ADS |
1061 |
|