21556+2823 MLB 577AB

 
 
21h 55m 37.48s +28 23' 29.6" P.A. 300 sep 48.8 mag 10.57,12.41 Sp F0
 
 
Coord 2000
21556+2823
Discov num
MLB 577
Comp
AB
Coord arcsec 2000
21 55 37.48 +28 23 29.6
Date first
1899
Date last
2010
Obs
6
Pa first
301
Pa last
300
P.A. Now (θ)
300°
Sep first
47.0
Sep last
48.8
Sep. Now (ρ)
48.8"
Mag pri
10.57
Mag sec
12.41
delta mag (ΔM)
1.84
Spectral class
F0 (yellow-white)
Pri motion ra
+003
Sec motion ra
-006
Pri motion dec
-013
Sec motion dec
-007
Notes
rPM=0.811
This double is not physical.
 
 
21556+2823 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21556+2823 MLB 577 AB 1899 2010 6 300 48.8 10.57 12.41 1.84 <===
Show 21556+2823 MLB 577 BC 1928 2010 4 20 7.0 11.10 12.60 1.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.1
Precise sep
48.76
Cdsa2 id
MLB 577 AB
Constellation
Pegasus
Ra deg
21.92707777777778
De deg
28.391555555555556
last precise pa
300.1
last precise sep
48.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21556+2823 MLB 577 AB 1997 4 300 48.6 10.57 11.10 F0 D 215537.48+282329.6
21556+2823 MLB 577 AB 2010 5 300 48.8 10.57 11.10 F0 D 215537.48+282329.6

If you need more information about this double, apply for a data request form to the WDS.