21111+3918 MLB 892
21h 11m 04.80s +39° 17' 42.3" P.A. 188.00 sep 4.3 mag 9.90,11.20
| Coord 2000 |
21111+3918 |
|
Discov num |
MLB 892 |
|
Comp |
|
|
Coord arcsec 2000 |
21 11 04.80 +39 17 42.3 |
|
| Date first |
1933 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
190 |
|
Pa last |
187.6 |
|
P.A. Now (θ) |
187.6° |
|
| Sep first |
3.9 |
|
Sep last |
4.31 |
|
Sep. Now (ρ) |
4.31" |
|
| Mag pri |
9.90 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
|
|
| Pri motion ra |
-007 |
|
Sec motion ra |
-029 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-045 |
|
| Notes |
|
|
rPM=0.902
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1968104892945096576 |
|