21091+3844 S 779 (HD 201561)
21h 09m 08.32s +38° 43' 45.1" P.A. 9.00 sep 110.5 mag 7.61,9.57 Sp K2 dist. 537.63 pc (1753.75 l.y.)
Coord 2000 |
21091+3844 |
|
Discov num |
S 779 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 08.32 +38 43 45.1 |
|
Date first |
1824 |
|
Date last |
2015 |
|
Obs |
23 |
|
Pa first |
11 |
|
Pa last |
8.9 |
|
P.A. Now (θ) |
8.9° |
|
Sep first |
114.8 |
|
Sep last |
110.484 |
|
Sep. Now (ρ) |
110.484" |
|
Mag pri |
7.61 |
|
Mag sec |
9.57 |
|
delta mag (ΔM) |
1.96 |
|
Spectral class |
K2 (yellow-orange) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
-015 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-021 |
|
Notes |
N
(See Notes) |
|
rPM=0.959
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 201561 |
|
Constellation |
Cygnus |
|
SAO |
70977 |
|
HIP |
104417 |
|
Tycho2 |
3168-00056-1 |
|
Gaia DR2 |
1872008813630353024 |
|
HD |
201561 |
|
BD |
BD+38 4362 |
|
Distance |
537.63 |
|
Distance ly |
1753.75 |
|