21204+4017 RAO 451
21h 20m 24.73s +40° 16' 52.6" P.A. 116.00 sep 2.8 mag 13.70,16.90
| Coord 2000 |
21204+4017 |
|
Discov num |
RAO 451 |
|
Comp |
|
|
Coord arcsec 2000 |
21 20 24.73 +40 16 52.6 |
|
| Date first |
2016 |
|
Date last |
2016 |
|
Obs |
1 |
|
| Pa first |
116 |
|
Pa last |
115.9 |
|
P.A. Now (θ) |
115.9° |
|
| Sep first |
2.8 |
|
Sep last |
2.804 |
|
Sep. Now (ρ) |
2.804" |
|
| Mag pri |
13.70 |
|
Mag sec |
16.90 |
|
delta mag (ΔM) |
3.2 |
|
Spectral class |
|
|
| Pri motion ra |
-050 |
|
Sec motion ra |
|
|
| Pri motion dec |
+125 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
