20422+2852 MLB 664
20h 42m 10.27s +28° 52' 30.8" P.A. 172.00 sep 4.7 mag 12.40,12.30
| Coord 2000 |
20422+2852 |
|
Discov num |
MLB 664 |
|
Comp |
|
|
Coord arcsec 2000 |
20 42 10.27 +28 52 30.8 |
|
| Date first |
1930 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
164 |
|
Pa last |
171.6 |
|
P.A. Now (θ) |
171.6° |
|
| Sep first |
4.2 |
|
Sep last |
4.71 |
|
Sep. Now (ρ) |
4.71" |
|
| Mag pri |
12.40 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
-017 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+017 |
|
Sec motion dec |
-011 |
|
| Notes |
R
(Red magnitudes) |
|
rPM=1.284
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1858879717080500864 |
|
