21088+2916 MLB 487
21h 08m 52.00s +29° 16' 30.0" P.A. 142.00 sep 4.3 mag 9.50,11.70
| Coord 2000 |
21088+2916 |
|
Discov num |
MLB 487 |
|
Comp |
|
|
Coord arcsec 2000 |
21 08 52.00 +29 16 30.0 |
|
| Date first |
1926 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
155 |
|
Pa last |
142 |
|
P.A. Now (θ) |
142° |
|
| Sep first |
3.6 |
|
Sep last |
4.323 |
|
Sep. Now (ρ) |
4.323" |
|
| Mag pri |
9.50 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
2.2 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2185-02719-1 |
|
Gaia DR2 |
1851494263110695808 |
|
