21496+3319 HDS 3106 (HD 207623)
21h 49m 35.26s +33° 18' 43.3" P.A. 140.00 sep 0.1 mag 7.46,9.41 Sp G5 dist. 144.3 pc (470.71 l.y.)
| Coord 2000 |
21496+3319 |
|
Discov num |
HDS3106 |
|
Comp |
|
|
Coord arcsec 2000 |
21 49 35.26 +33 18 43.3 |
|
| Date first |
1991 |
|
Date last |
2011 |
|
Obs |
4 |
|
| Pa first |
271 |
|
Pa last |
139.5 |
|
P.A. Now (θ) |
139.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.14 |
|
Sep. Now (ρ) |
0.14" |
|
| Mag pri |
7.46 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
1.95 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-029 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 207623 |
|
Constellation |
Cygnus |
|
SAO |
71742 |
|
HIP |
107744 |
|
| Tycho2 |
2722-00366-1 |
|
Gaia DR2 |
1946613220186777472 |
|
HD |
207623 |
|
GC |
30562 |
|
| BD |
BD+32 4269 |
|
Distance |
144.3 |
|
Distance ly |
470.71 |
|
