20273+2820 MLB 774AB

 
 
20h 27m 18.63s +28 19' 43.9" P.A. 63 sep 44.1 mag 8.83,13.70 Sp B8
 
 
Coord 2000
20273+2820
Discov num
MLB 774
Comp
AB
Coord arcsec 2000
20 27 18.63 +28 19 43.9
Date first
1932
Date last
2015
Obs
4
Pa first
64
Pa last
63
P.A. Now (θ)
63°
Sep first
39.0
Sep last
44.1
Sep. Now (ρ)
44.1"
Mag pri
8.83
Mag sec
13.70
delta mag (ΔM)
4.87
Spectral class
B8 (blue-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20273+2820 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20273+2820 MLB 774 AB 1932 2015 4 63 44.1 8.83 13.70 4.87 <===
Show 20273+2820 MLB 774 BC 1932 2015 4 279 4.3 13.70 13.70 0.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
62.6
Precise sep
44.115
Constellation
Vulpecula
SAO
88699
Tycho2
2168-00778-1
Gaia DR2
50991895552
HD
334415
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20273+2820 MLB 774 AB 1932 1 64 39.0 8.83 11.30 B8 202718.63+281943.9
20273+2820 MLB 774 AB 1997 2 63 44.1 8.83 13.70 B8 D 202718.63+281943.9
20273+2820 MLB 774 AB 2002 3 62 44.0 8.83 13.70 B8 D 202718.63+281943.9
20273+2820 MLB 774 AB 2015 4 63 44.1 8.83 13.70 B8 202718.63+281943.9

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