21054-0744 RST 4691 (HD 200728)
21h 05m 23.26s -07° 43' 51.1" P.A. 71.00 sep 0.5 mag 10.20,11.90 Sp K0
| Coord 2000 |
21054-0744 |
|
Discov num |
RST4691 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 23.26 -07 43 51.1 |
|
| Date first |
1939 |
|
Date last |
2011 |
|
Obs |
4 |
|
| Pa first |
64 |
|
Pa last |
70.7 |
|
P.A. Now (θ) |
70.7° |
|
| Sep first |
0.3 |
|
Sep last |
0.479 |
|
Sep. Now (ρ) |
0.479" |
|
| Mag pri |
10.20 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200728 |
|
Constellation |
Aquarius |
|
Tycho2 |
5771-00357-1 |
|
Gaia DR2 |
6909191499687271808 |
|
| HD |
200728 |
|
