21308+4013 MLB 896 AC
21h 30m 46.65s +40° 13' 26.9" P.A. 69.00 sep 29.0 mag 13.60,13.50
Coord 2000 |
21308+4013 |
|
Discov num |
MLB 896 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 30 46.65 +40 13 26.9 |
|
Date first |
1933 |
|
Date last |
2017 |
|
Obs |
4 |
|
Pa first |
75 |
|
Pa last |
69.3 |
|
P.A. Now (θ) |
69.3° |
|
Sep first |
19.0 |
|
Sep last |
29 |
|
Sep. Now (ρ) |
29" |
|
Mag pri |
13.60 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
-014 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-034 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.939
This double is not physical.
21308+4013 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 30 47 +40 13 27 |
MLB 896 AB |
2015 |
4 |
340 |
3.1 |
13.60 |
14.30 |
0.70 |
|
|
Show |
|
|
21 30 47 +40 13 27 |
MLB 896 AC |
2017 |
4 |
69 |
29.0 |
13.60 |
13.50 |
0.10 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1966184836401783296 |
|