20273+2820 MLB 774BC

 
 
20h 27m 21.58s +28 20' 04.2" P.A. 279 sep 4.2 mag 13.70,13.70
 
 
Coord 2000
20273+2820
Discov num
MLB 774
Comp
BC
Coord arcsec 2000
20 27 21.58 +28 20 04.2
Date first
1932
Date last
2002
Obs
3
Pa first
273
Pa last
279
P.A. Now (θ)
279°
Sep first
4.1
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
13.70
Mag sec
13.70
delta mag (ΔM)
0
Spectral class
Pri motion ra
+086
Sec motion ra
-066
Pri motion dec
-022
Sec motion dec
+001
Notes
rPM=1.732
This double is not physical.
 
 
20273+2820 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 88699 20273+2820 MLB 774 AB 1932 2002 3 62 44.0 8.83 13.70 4.87
Show 20273+2820 MLB 774 BC 1932 2002 3 279 4.2 13.70 13.70 0.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.7
Precise sep
4.175
Constellation
Vulpecula
last precise pa
278.7
last precise sep
4.175
 
 
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 BC 1997 2 279 4.2 11.20 11.30 D 202721.59+282004.3
20273+2820 MLB 774 BC 2002 3 279 4.2 13.70 13.70 D 202721.58+282004.2
20273+2820 MLB 774 BC 2010 4 280 3.8 13.70 13.70 202721.58+282004.2

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