21094+2850 DOB 9002
21h 09m 21.34s +28° 50' 16.6" P.A. 104.00 sep 18.6 mag 11.18,12.19
| Coord 2000 |
21094+2850 |
|
Discov num |
DOB9002 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 21.34 +28 50 16.6 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
105 |
|
Pa last |
104.3 |
|
P.A. Now (θ) |
104.3° |
|
| Sep first |
18.8 |
|
Sep last |
18.59 |
|
Sep. Now (ρ) |
18.59" |
|
| Mag pri |
11.18 |
|
Mag sec |
12.19 |
|
delta mag (ΔM) |
1.01 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2185-02456-1 |
|
Gaia DR2 |
1851328885389859072 |
|
