21520+3857 COU 1823 (HD 207967)
21h 52m 02.50s +38° 57' 16.5" P.A. 13.00 sep 1.0 mag 7.69,11.54 Sp K0 dist. 138.89 pc (453.06 l.y.)
| Coord 2000 |
21520+3857 |
|
Discov num |
COU1823 |
|
Comp |
|
|
Coord arcsec 2000 |
21 52 02.50 +38 57 16.5 |
|
| Date first |
1979 |
|
Date last |
2011 |
|
Obs |
9 |
|
| Pa first |
6 |
|
Pa last |
12.9 |
|
P.A. Now (θ) |
12.9° |
|
| Sep first |
1.2 |
|
Sep last |
1.011 |
|
Sep. Now (ρ) |
1.011" |
|
| Mag pri |
7.69 |
|
Mag sec |
11.54 |
|
delta mag (ΔM) |
3.85 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+093 |
|
Sec motion ra |
+093 |
|
| Pri motion dec |
+023 |
|
Sec motion dec |
+026 |
|
| Notes |
|
|
rPM=0.031 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 207967 |
|
Constellation |
Cygnus |
|
SAO |
71782 |
|
HIP |
107934 |
|
| Tycho2 |
3185-01155-1 |
|
Gaia DR2 |
1953117999696250496 |
|
HD |
207967 |
|
BD |
BD+38 4625 |
|
| Distance |
138.89 |
|
Distance ly |
453.06 |
|
