19018+3337 J   112

 
 
19h 01m 48.37s +33 37' 16.5" P.A. 178 sep 25.6 mag 6.50,12.60 Sp B5IV
 
 
Coord 2000
19018+3337
Discov num
J   112
Comp
Coord arcsec 2000
19 01 48.37 +33 37 16.5
Date first
1910
Date last
2010
Obs
7
Pa first
178
Pa last
178
P.A. Now (θ)
178°
Sep first
23.0
Sep last
25.6
Sep. Now (ρ)
25.6"
Mag pri
6.50
Mag sec
12.60
delta mag (ΔM)
6.1
Spectral class
B5IV (blue-white)
Pri motion ra
+000
Sec motion ra
+003
Pri motion dec
-002
Sec motion dec
-007
Notes
rPM=0.766
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.8
Precise sep
25.57
Constellation
Lyra
SAO
67721
HD
177109
HR
7212
last precise pa
177.8
last precise sep
25.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19018+3337 J 112 1998 5 178 25.7 6.39 13.30 B5IV D 190148.37+333716.5
19018+3337 J 112 2002 6 178 25.1 6.39 13.30 B5IV D 190148.37+333716.5
19018+3337 J 112 2010 7 178 25.5 6.50 12.60 B5IV 190148.37+333716.5

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