21591+3900 MLB 789
21h 59m 03.02s +38° 59' 56.9" P.A. 359.00 sep 9.8 mag 12.60,13.10
| Coord 2000 |
21591+3900 |
|
Discov num |
MLB 789 |
|
Comp |
|
|
Coord arcsec 2000 |
21 59 03.02 +38 59 56.9 |
|
| Date first |
1932 |
|
Date last |
2018 |
|
Obs |
10 |
|
| Pa first |
0 |
|
Pa last |
358.7 |
|
P.A. Now (θ) |
358.7° |
|
| Sep first |
8.9 |
|
Sep last |
9.814 |
|
Sep. Now (ρ) |
9.814" |
|
| Mag pri |
12.60 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.555
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lacerta |
|
Tycho2 |
3185-00013-1 |
|
Gaia DR2 |
1956083519995407488 |
|
