20088+3915 MLB 769
20h 08m 50.39s +39° 14' 40.2" P.A. 131.00 sep 4.9 mag 11.50,13.00
| Coord 2000 |
20088+3915 |
|
Discov num |
MLB 769 |
|
Comp |
|
|
Coord arcsec 2000 |
20 08 50.39 +39 14 40.2 |
|
| Date first |
1932 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
130 |
|
Pa last |
130.7 |
|
P.A. Now (θ) |
130.7° |
|
| Sep first |
4.3 |
|
Sep last |
4.938 |
|
Sep. Now (ρ) |
4.938" |
|
| Mag pri |
11.50 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
|
|
| Pri motion ra |
-026 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
+017 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=0.94
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2061976935129856384 |
|
