18300+4033 J   762

 
 
18h 30m 01.39s +40 34' 18.2" P.A. 248 sep 3.9 mag 12.40,13.60
 
 
Coord 2000
18300+4033
Discov num
J   762
Comp
Coord arcsec 2000
18 30 01.39 +40 34 18.2
Date first
1912
Date last
2015
Obs
10
Pa first
251
Pa last
248
P.A. Now (θ)
248°
Sep first
3.0
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
12.40
Mag sec
13.60
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
+000
Sec motion ra
-023
Pri motion dec
+001
Sec motion dec
-010
Notes
rPM=1.017
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.2
Precise sep
3.94
Constellation
Lyra
Gaia DR2
15547477760
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18300+4033 J 762 2000 7 248 4.0 10.00 12.50 D 183001.39+403418.2
18300+4033 J 762 2003 9 249 3.9 10.00 12.50 D 183001.39+403418.2
18300+4033 J 762 2015 10 248 3.9 12.40 13.60 183001.39+403418.2

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