20587+3922 BKO 478
20h 58m 40.89s +39° 22' 25.0" P.A. 75.00 sep 7.9 mag 11.10,13.50
| Coord 2000 |
20587+3922 |
|
Discov num |
BKO 478 |
|
Comp |
|
|
Coord arcsec 2000 |
20 58 40.89 +39 22 25.0 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
74 |
|
Pa last |
74.6 |
|
P.A. Now (θ) |
74.6° |
|
| Sep first |
7.9 |
|
Sep last |
7.893 |
|
Sep. Now (ρ) |
7.893" |
|
| Mag pri |
11.10 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+013 |
|
| Notes |
|
|
rPM=0.717
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3167-02307-1 |
|
Gaia DR2 |
1873012388559746304 |
|
