21090+5654 RAO 447
21h 09m 00.73s +56° 54' 13.4" P.A. 234.00 sep 3.5 mag 13.60,18.60
| Coord 2000 |
21090+5654 |
|
Discov num |
RAO 447 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 00.73 +56 54 13.4 |
|
| Date first |
2016 |
|
Date last |
2016 |
|
Obs |
1 |
|
| Pa first |
234 |
|
Pa last |
233.7 |
|
P.A. Now (θ) |
233.7° |
|
| Sep first |
3.5 |
|
Sep last |
3.544 |
|
Sep. Now (ρ) |
3.544" |
|
| Mag pri |
13.60 |
|
Mag sec |
18.60 |
|
delta mag (ΔM) |
5 |
|
Spectral class |
|
|
| Pri motion ra |
-158 |
|
Sec motion ra |
|
|
| Pri motion dec |
-478 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
