18379+0432 BAL2932

 
 
18h 37m 57.78s +04 31' 50.4" P.A. 297 sep 18.3 mag 10.59,13.12 Sp G
 
 
Coord 2000
18379+0432
Discov num
BAL2932
Comp
Coord arcsec 2000
18 37 57.78 +04 31 50.4
Date first
1899
Date last
2013
Obs
8
Pa first
298
Pa last
297
P.A. Now (θ)
297°
Sep first
18.5
Sep last
18.3
Sep. Now (ρ)
18.3"
Mag pri
10.59
Mag sec
13.12
delta mag (ΔM)
2.53
Spectral class
G (yellow)
Pri motion ra
+006
Sec motion ra
+004
Pri motion dec
-020
Sec motion dec
-019
Notes
rPM=0.107 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297.2
Precise sep
18.26
Constellation
Serpens
Tycho2
0455-01120-1
last precise pa
297.2
last precise sep
18.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18379+0432 BAL2932 1999 5 297 18.3 10.59 11.71 G D 183757.78+043150.4
18379+0432 BAL2932 2000 6 297 18.3 10.59 11.71 G D 183757.78+043150.4
18379+0432 BAL2932 2013 7 297 18.3 10.59 13.12 G 183757.78+043150.4

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