21211+5337 CVR 240
21h 21m 05.47s +53° 37' 21.4" P.A. 21.00 sep 64.4 mag 17.30,19.30 Sp M2+M3
Coord 2000 |
21211+5337 |
|
Discov num |
CVR 240 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 05.47 +53 37 21.4 |
|
Date first |
1998 |
|
Date last |
2014 |
|
Obs |
6 |
|
Pa first |
21 |
|
Pa last |
21.1 |
|
P.A. Now (θ) |
21.1° |
|
Sep first |
64.3 |
|
Sep last |
64.385 |
|
Sep. Now (ρ) |
64.385" |
|
Mag pri |
17.30 |
|
Mag sec |
19.30 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
M2+M3 (red/red) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-070 |
|
Sec motion dec |
-074 |
|
Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.076 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2175887645420629248 |
|