20306+5439 MLR 589

 
 
20h 30m 38.84s +54 39' 07.2" P.A. 310 sep 1.6 mag 10.14,11.23 Sp F5
 
 
Coord 2000
20306+5439
Discov num
MLR 589
Comp
Coord arcsec 2000
20 30 38.84 +54 39 07.2
Date first
1982
Date last
2005
Obs
5
Pa first
314
Pa last
310
P.A. Now (θ)
310°
Sep first
1.7
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
10.14
Mag sec
11.23
delta mag (ΔM)
1.09
Spectral class
F5 (yellow-white)
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-019
Sec motion dec
-019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.8
Precise sep
1.62
Constellation
Cygnus
SAO
32643
Tycho2
3954-01708-1
Gaia DR2
33175688320
HD
235261
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20306+5439 MLR 589 2005 5 310 1.6 10.14 11.23 F5 203038.84+543907.2

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