21058+4341 BU 679
21h 05m 50.42s +43° 40' 54.0" P.A. 75.00 sep 0.7 mag 11.50,11.90
Coord 2000 |
21058+4341 |
|
Discov num |
BU 679 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 50.42 +43 40 54.0 |
|
Date first |
1877 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
72 |
|
Pa last |
75 |
|
P.A. Now (θ) |
75° |
|
Sep first |
0.3 |
|
Sep last |
0.7 |
|
Sep. Now (ρ) |
0.7" |
|
Mag pri |
11.50 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
Pri motion ra |
+006 |
|
Sec motion ra |
|
|
Pri motion dec |
-015 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3180-02107-1 |
|
Gaia DR2 |
2162297887864968064 |
|