21406+5416 BKO 900
21h 40m 34.99s +54° 15' 33.3" P.A. 172.00 sep 5.4 mag 14.35,14.15
| Coord 2000 |
21406+5416 |
|
Discov num |
BKO 900 |
|
Comp |
|
|
Coord arcsec 2000 |
21 40 34.99 +54 15 33.3 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
171 |
|
Pa last |
172.2 |
|
P.A. Now (θ) |
172.2° |
|
| Sep first |
5.5 |
|
Sep last |
5.436 |
|
Sep. Now (ρ) |
5.436" |
|
| Mag pri |
14.35 |
|
Mag sec |
14.15 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
+047 |
|
Sec motion dec |
-046 |
|
| Notes |
|
|
rPM=1.96
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2174333417025978880 |
|
