21305+4620 A 768
21h 30m 31.21s +46° 19' 49.3" P.A. 335.00 sep 0.7 mag 10.33,10.51 Sp A2
| Coord 2000 |
21305+4620 |
|
Discov num |
A 768 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 31.21 +46 19 49.3 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
333 |
|
Pa last |
335.4 |
|
P.A. Now (θ) |
335.4° |
|
| Sep first |
0.6 |
|
Sep last |
0.68 |
|
Sep. Now (ρ) |
0.68" |
|
| Mag pri |
10.33 |
|
Mag sec |
10.51 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3590-01503-1 |
|
Gaia DR2 |
1971446544993699840 |
|
