21316+4005 MLB 898
21h 31m 35.40s +40° 06' 03.9" P.A. 251.00 sep 6.7 mag 9.70,10.20
| Coord 2000 |
21316+4005 |
|
Discov num |
MLB 898 |
|
Comp |
|
|
Coord arcsec 2000 |
21 31 35.40 +40 06 03.9 |
|
| Date first |
1933 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
253 |
|
Pa last |
251.3 |
|
P.A. Now (θ) |
251.3° |
|
| Sep first |
5.8 |
|
Sep last |
6.701 |
|
Sep. Now (ρ) |
6.701" |
|
| Mag pri |
9.70 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
+010 |
|
Sec motion ra |
-017 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=1.497
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1966155974220946176 |
|
