20281+2819 MLB 662

 
 
20h 28m 02.83s +28 18' 46.3" P.A. 42 sep 3.4 mag 11.69,12.27
 
 
Coord 2000
20281+2819
Discov num
MLB 662
Comp
Coord arcsec 2000
20 28 02.83 +28 18 46.3
Date first
1930
Date last
2015
Obs
6
Pa first
51
Pa last
42
P.A. Now (θ)
42°
Sep first
4.0
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
11.69
Mag sec
12.27
delta mag (ΔM)
0.58
Spectral class
Pri motion ra
-040
Sec motion ra
+005
Pri motion dec
-040
Sec motion dec
+021
Notes
rPM=1.34
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.1
Precise sep
3.408
Constellation
Vulpecula
Tycho2
2168-01047-1
Gaia DR2
61760690176
HD
334507
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20281+2819 MLB 662 2006 4 41 3.5 11.69 12.27 D 202802.83+281846.3
20281+2819 MLB 662 2015 6 42 3.4 11.69 12.27 202802.83+281846.3

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