18189+3248 COU1009

 
 
18h 18m 53.92s +32 47' 36.2" P.A. 265 sep 2.5 mag 9.18,12.60 Sp F8
 
 
Coord 2000
18189+3248
Discov num
COU1009
Comp
Coord arcsec 2000
18 18 53.92 +32 47 36.2
Date first
1973
Date last
2007
Obs
3
Pa first
266
Pa last
265
P.A. Now (θ)
265°
Sep first
2.1
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.18
Mag sec
12.60
delta mag (ΔM)
3.42
Spectral class
F8 (yellow-white)
Pri motion ra
+044
Sec motion ra
Pri motion dec
+040
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.8
Precise sep
2.453
Constellation
Lyra
Tycho2
2627-00743-1
Gaia DR2
11877597824
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18189+3248 COU1009 1998 2 261 2.6 9.18 12.60 F8 181853.92+324736.2
18189+3248 COU1009 2007 3 265 2.5 9.18 12.60 F8 181853.92+324736.2

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