21312+4013 MLB 897
21h 31m 14.07s +40° 12' 30.8" P.A. 23.00 sep 4.9 mag 14.70,14.70
| Coord 2000 |
21312+4013 |
|
Discov num |
MLB 897 |
|
Comp |
|
|
Coord arcsec 2000 |
21 31 14.07 +40 12 30.8 |
|
| Date first |
1933 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
27 |
|
Pa last |
23.4 |
|
P.A. Now (θ) |
23.4° |
|
| Sep first |
4.3 |
|
Sep last |
4.935 |
|
Sep. Now (ρ) |
4.935" |
|
| Mag pri |
14.70 |
|
Mag sec |
14.70 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
+034 |
|
Sec motion ra |
+017 |
|
| Pri motion dec |
+087 |
|
Sec motion dec |
+036 |
|
| Notes |
|
|
rPM=0.576
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1966160372267552128 |
|
