21216+3409 RAO 452
21h 21m 37.62s +34° 09' 29.3" P.A. 214.00 sep 3.7 mag 13.20,16.00
| Coord 2000 |
21216+3409 |
|
Discov num |
RAO 452 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 37.62 +34 09 29.3 |
|
| Date first |
2012 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
212 |
|
Pa last |
213.6 |
|
P.A. Now (θ) |
213.6° |
|
| Sep first |
4.2 |
|
Sep last |
3.672 |
|
Sep. Now (ρ) |
3.672" |
|
| Mag pri |
13.20 |
|
Mag sec |
16.00 |
|
delta mag (ΔM) |
2.8 |
|
Spectral class |
|
|
| Pri motion ra |
-067 |
|
Sec motion ra |
|
|
| Pri motion dec |
-173 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
