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 2015 5 18 6.4 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
Constellation
Pegasus
Tycho2
2215-00112-1
Gaia DR2
13207996544
 
 
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

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