21099+4422 STF 2772
21h 09m 54.83s +44° 21' 30.9" P.A. 224.00 sep 12.4 mag 9.51,10.93 Sp M1
Coord 2000 |
21099+4422 |
|
Discov num |
STF2772 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 54.83 +44 21 30.9 |
|
Date first |
1895 |
|
Date last |
2016 |
|
Obs |
17 |
|
Pa first |
230 |
|
Pa last |
224.2 |
|
P.A. Now (θ) |
224.2° |
|
Sep first |
10.9 |
|
Sep last |
12.437 |
|
Sep. Now (ρ) |
12.437" |
|
Mag pri |
9.51 |
|
Mag sec |
10.93 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
M1 (red) |
|
Pri motion ra |
-125 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.951
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3180-00249-1 |
|
Gaia DR2 |
1970285636829305344 |
|