21421+4414 A 403
21h 42m 08.42s +44° 13' 34.4" P.A. 74.00 sep 0.6 mag 10.09,9.92 Sp F2 dist. 724.64 pc (2363.78 l.y.)
| Coord 2000 |
21421+4414 |
|
Discov num |
A 403 |
|
Comp |
|
|
Coord arcsec 2000 |
21 42 08.42 +44 13 34.4 |
|
| Date first |
1902 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
79 |
|
Pa last |
73.5 |
|
P.A. Now (θ) |
73.5° |
|
| Sep first |
0.4 |
|
Sep last |
0.57 |
|
Sep. Now (ρ) |
0.57" |
|
| Mag pri |
10.09 |
|
Mag sec |
9.92 |
|
delta mag (ΔM) |
0.17 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
107141 |
|
Tycho2 |
3196-01312-1 |
|
BD |
BD+43 4017 |
|
| Distance |
724.64 |
|
Distance ly |
2363.78 |
|
