21206+3420 JNN 129
21h 20m 35.07s +34° 19' 47.7" P.A. 213.00 sep 0.1 mag 14.10,15.00 Sp M3.5+M4.5
Coord 2000 |
21206+3420 |
|
Discov num |
JNN 129 |
|
Comp |
|
|
Coord arcsec 2000 |
21 20 35.07 +34 19 47.7 |
|
Date first |
2008 |
|
Date last |
2009 |
|
Obs |
3 |
|
Pa first |
225 |
|
Pa last |
212.8 |
|
P.A. Now (θ) |
212.8° |
|
Sep first |
0.1 |
|
Sep last |
0.098 |
|
Sep. Now (ρ) |
0.098" |
|
Mag pri |
14.10 |
|
Mag sec |
15.00 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
M3.5+M4.5 (red/red) |
|
Pri motion ra |
+105 |
|
Sec motion ra |
|
|
Pri motion dec |
+068 |
|
Sec motion dec |
|
|
Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1855261911504765056 |
|