18310+4055 MMA  19

 
 
18h 31m 02.91s +40 54' 53.9" P.A. 201 sep 11.5 mag 15.80,15.90
 
 
Coord 2000
18310+4055
Discov num
MMA  19
Comp
Coord arcsec 2000
18 31 02.91 +40 54 53.9
Date first
1955
Date last
2010
Obs
7
Pa first
200
Pa last
201
P.A. Now (θ)
201°
Sep first
11.8
Sep last
11.5
Sep. Now (ρ)
11.5"
Mag pri
15.80
Mag sec
15.90
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+005
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
+013
Notes
rPM=1.117
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
201
Precise sep
11.49
Constellation
Lyra
last precise pa
201
last precise sep
11.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18310+4055 MMA 19 2003 1 201 11.2 15.80 15.90 183102.91+405453.9
18310+4055 MMA 19 2010 6 201 11.5 15.80 15.90 183102.91+405453.9

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