20139+4539 POP 138

 
 
20h 13m 54.48s +45 39' 37.6" P.A. 50 sep 0.5 mag 10.50,10.68 Sp F8
 
 
Coord 2000
20139+4539
Discov num
POP 138
Comp
Coord arcsec 2000
20 13 54.48 +45 39 37.6
Date first
1977
Date last
1991
Obs
6
Pa first
34
Pa last
50
P.A. Now (θ)
50°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.50
Mag sec
10.68
delta mag (ΔM)
0.18
Spectral class
F8 (yellow-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49.9
Precise sep
0.48
Constellation
Cygnus
Tycho2
3559-02504-1
HD
192600
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20139+4539 POP 138 1991 6 50 0.5 10.50 10.68 F8 201354.48+453937.6

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