21254+3446 TDS 1128
21h 25m 25.81s +34° 45' 31.4" P.A. 18.00 sep 1.3 mag 10.65,12.65
| Coord 2000 |
21254+3446 |
|
Discov num |
TDS1128 |
|
Comp |
|
|
Coord arcsec 2000 |
21 25 25.81 +34 45 31.4 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
18 |
|
Pa last |
17.8 |
|
P.A. Now (θ) |
17.8° |
|
| Sep first |
1.3 |
|
Sep last |
1.284 |
|
Sep. Now (ρ) |
1.284" |
|
| Mag pri |
10.65 |
|
Mag sec |
12.65 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-034 |
|
Sec motion dec |
-034 |
|
| Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2711-02279-1 |
|
Gaia DR2 |
1855196353124865664 |
|