21071+3852 MLB 888
21h 07m 09.10s +38° 52' 47.7" P.A. 55.00 sep 4.0 mag 11.60,13.20
Coord 2000 |
21071+3852 |
|
Discov num |
MLB 888 |
|
Comp |
|
|
Coord arcsec 2000 |
21 07 09.10 +38 52 47.7 |
|
Date first |
1933 |
|
Date last |
2022 |
|
Obs |
6 |
|
Pa first |
58 |
|
Pa last |
54.5 |
|
P.A. Now (θ) |
54.5° |
|
Sep first |
3.9 |
|
Sep last |
3.97 |
|
Sep. Now (ρ) |
3.97" |
|
Mag pri |
11.60 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
|
|
Pri motion ra |
-028 |
|
Sec motion ra |
|
|
Pri motion dec |
-027 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1872049701720046080 |
|