18097+5329 BEM  31

 
 
18h 09m 41.21s +53 29' 31.5" P.A. 306 sep 11.9 mag 9.90,12.30
 
 
Coord 2000
18097+5329
Discov num
BEM  31
Comp
Coord arcsec 2000
18 09 41.21 +53 29 31.5
Date first
1902
Date last
2015
Obs
7
Pa first
304
Pa last
306
P.A. Now (θ)
306°
Sep first
13.0
Sep last
11.9
Sep. Now (ρ)
11.9"
Mag pri
9.90
Mag sec
12.30
delta mag (ΔM)
2.4
Spectral class
Pri motion ra
-001
Sec motion ra
+002
Pri motion dec
-001
Sec motion dec
-003
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.7
Precise sep
11.948
Constellation
Draco
Tycho2
3903-02090-1
last precise pa
305.4
last precise sep
11.986
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18097+5329 BEM 31 1902 2 125 13.0 10.03 10.80 180941.21+532931.5
18097+5329 BEM 31 2008 3 126 11.8 10.03 10.80 180941.21+532931.5
18097+5329 BEM 31 2015 6 306 11.9 9.90 12.30 180941.21+532931.5

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