21569+3735 BKO 905 AB
21h 56m 53.14s +37° 35' 21.9" P.A. 316.00 sep 6.3 mag 11.85,13.45
Coord 2000 |
21569+3735 |
|
Discov num |
BKO 905 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 56 53.14 +37 35 21.9 |
|
Date first |
2000 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
316 |
|
Pa last |
315.8 |
|
P.A. Now (θ) |
315.8° |
|
Sep first |
6.3 |
|
Sep last |
6.29 |
|
Sep. Now (ρ) |
6.29" |
|
Mag pri |
11.85 |
|
Mag sec |
13.45 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
|
|
Pri motion ra |
-004 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-005 |
|
Notes |
|
|
rPM=0.196 (< 0.3, Physical double)
This double is physical.
21569+3735 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 56 53 +37 35 22 |
BKO 905 AB |
2015 |
9 |
316 |
6.3 |
11.85 |
13.45 |
1.60 |
|
<=== |
Show |
|
|
21 56 53 +37 35 22 |
BKO 905 AC |
2015 |
9 |
36 |
6.8 |
11.85 |
15.20 |
3.35 |
|
|
Show |
|
|
21 56 53 +37 35 22 |
BKO 905 AD |
2015 |
9 |
33 |
17.8 |
11.85 |
13.87 |
2.02 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1949933607863851904 |
|