20306+3138 RAO 437
20h 30m 37.92s +31° 37' 45.1" P.A. 66.00 sep 3.1 mag 14.00,17.50
Coord 2000 |
20306+3138 |
|
Discov num |
RAO 437 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 37.92 +31 37 45.1 |
|
Date first |
2015 |
|
Date last |
2016 |
|
Obs |
3 |
|
Pa first |
69 |
|
Pa last |
66.2 |
|
P.A. Now (θ) |
66.2° |
|
Sep first |
3.1 |
|
Sep last |
3.113 |
|
Sep. Now (ρ) |
3.113" |
|
Mag pri |
14.00 |
|
Mag sec |
17.50 |
|
delta mag (ΔM) |
3.5 |
|
Spectral class |
|
|
Pri motion ra |
-111 |
|
Sec motion ra |
|
|
Pri motion dec |
-118 |
|
Sec motion dec |
|
|
Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS