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
Cdsa2 id
J 1138
Constellation
Lyra
Ra deg
18.633525
De deg
30.01077777777778
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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