21299+3928 MLB 987
21h 29m 53.04s +39° 29' 12.7" P.A. 263.00 sep 7.0 mag 10.00,10.20
| Coord 2000 |
21299+3928 |
|
Discov num |
MLB 987 |
|
Comp |
|
|
Coord arcsec 2000 |
21 29 53.04 +39 29 12.7 |
|
| Date first |
1935 |
|
Date last |
2018 |
|
Obs |
9 |
|
| Pa first |
259 |
|
Pa last |
263 |
|
P.A. Now (θ) |
263° |
|
| Sep first |
7.2 |
|
Sep last |
7.031 |
|
Sep. Now (ρ) |
7.031" |
|
| Mag pri |
10.00 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
+005 |
|
Sec motion ra |
-014 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
rPM=1.475
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1964604735113895424 |
|
