21281+1754 RAO 456
21h 28m 05.48s +17° 54' 00.2" P.A. 103.00 sep 0.1 mag 11.80,13.50 Sp M1.5V
Coord 2000 |
21281+1754 |
|
Discov num |
RAO 456 |
|
Comp |
|
|
Coord arcsec 2000 |
21 28 05.48 +17 54 00.2 |
|
Date first |
2016 |
|
Date last |
2016 |
|
Obs |
1 |
|
Pa first |
103 |
|
Pa last |
103.4 |
|
P.A. Now (θ) |
103.4° |
|
Sep first |
0.1 |
|
Sep last |
0.095 |
|
Sep. Now (ρ) |
0.095" |
|
Mag pri |
11.80 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
M1.5V (red) |
|
Pri motion ra |
+082 |
|
Sec motion ra |
|
|
Pri motion dec |
+154 |
|
Sec motion dec |
|
|
Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS