20452+3146 ARY 86 (HD 197839)
20h 45m 13.25s +31° 46' 26.5" P.A. 22.00 sep 78.4 mag 7.82,10.37 Sp K2 dist. 205.76 pc (671.19 l.y.)
Coord 2000 |
20452+3146 |
|
Discov num |
ARY 86 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 13.25 +31 46 26.5 |
|
Date first |
1907 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
22 |
|
Pa last |
21.5 |
|
P.A. Now (θ) |
21.5° |
|
Sep first |
76.7 |
|
Sep last |
78.387 |
|
Sep. Now (ρ) |
78.387" |
|
Mag pri |
7.82 |
|
Mag sec |
10.37 |
|
delta mag (ΔM) |
2.55 |
|
Spectral class |
K2 (yellow-orange) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
-015 |
|
Sec motion dec |
|
|
Notes |
U
(Proper motion indicates non-physical) |
|
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 197839 |
|
Constellation |
Cygnus |
|
SAO |
70458 |
|
HIP |
102415 |
|
Tycho2 |
2687-00184-1 |
|
Gaia DR2 |
1859835016578602624 |
|
HD |
197839 |
|
BD |
BD+31 4210 |
|
Distance |
205.76 |
|
Distance ly |
671.19 |
|