18381+3000 J  1138

 
 
18h 38m 00.69s +30 00' 38.8" P.A. 300 sep 2.7 mag 11.90,12.00
 
 
Coord 2000
18381+3000
Discov num
J  1138
Comp
Coord arcsec 2000
18 38 00.69 +30 00 38.8
Date first
1915
Date last
2002
Obs
3
Pa first
302
Pa last
300
P.A. Now (θ)
300°
Sep first
3.0
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
11.90
Mag sec
12.00
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.3
Precise sep
2.73
Constellation
Lyra
last precise pa
300.3
last precise sep
2.73
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18381+3000 J 1138 2002 3 300 2.7 9.80 9.80 183800.69+300038.8

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