18589+3229 BU  649

 
 
18h 58m 53.75s +32 28' 32.8" P.A. 2 sep 0.9 mag 8.70,11.90 Sp F0
 
 
Coord 2000
18589+3229
Discov num
BU  649
Comp
Coord arcsec 2000
18 58 53.75 +32 28 32.8
Date first
1878
Date last
2007
Obs
20
Pa first
13
Pa last
2
P.A. Now (θ)
Sep first
1.6
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
8.70
Mag sec
11.90
delta mag (ΔM)
3.2
Spectral class
F0 (yellow-white)
Pri motion ra
+013
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
2.1
Precise sep
0.919
Constellation
Lyra
SAO
67662
Tycho2
2643-03241-1
Gaia DR2
2043810662259746816
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18589+3229 BU 649 1975 19 2 1.6 8.70 11.90 F0 185853.75+322832.8
18589+3229 BU 649 2007 20 2 0.9 8.70 11.90 F0 185853.75+322832.8

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