18549+4437 COU1932

 
 
18h 54m 51.24s +44 36' 56.2" P.A. 295 sep 0.9 mag 10.28,10.38 Sp G0
 
 
Coord 2000
18549+4437
Discov num
COU1932
Comp
Coord arcsec 2000
18 54 51.24 +44 36 56.2
Date first
1980
Date last
2015
Obs
6
Pa first
299
Pa last
295
P.A. Now (θ)
295°
Sep first
0.7
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.28
Mag sec
10.38
delta mag (ΔM)
0.1
Spectral class
G0 (yellow)
Pri motion ra
-039
Sec motion ra
-039
Pri motion dec
-022
Sec motion dec
-022
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
295.3
Precise sep
0.86
Constellation
Lyra
Tycho2
3131-00861-1
last precise pa
295.3
last precise sep
0.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18549+4437 COU1932 1994 3 124 0.8 10.28 10.38 G0 185451.24+443656.2
18549+4437 COU1932 2010 4 296 0.9 10.28 10.38 G0 185451.24+443656.2
18549+4437 COU1932 2015 6 295 0.9 10.28 10.38 G0 185451.24+443656.2

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