18386-0235 WAM   4

 
 
18h 38m 36.61s -02 34' 18.9" P.A. 88 sep 1.4 mag 10.20,10.90 Sp F5
 
 
Coord 2000
18386-0235
Discov num
WAM   4
Comp
Coord arcsec 2000
18 38 36.61 -02 34 18.9
Date first
1931
Date last
2002
Obs
5
Pa first
90
Pa last
88
P.A. Now (θ)
88°
Sep first
1.3
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
10.20
Mag sec
10.90
delta mag (ΔM)
0.7
Spectral class
F5 (yellow-white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.6
Precise sep
1.42
Constellation
Serpens
Tycho2
5117-01421-1
last precise pa
87.6
last precise sep
1.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18386-0235 WAM 4 2002 5 88 1.4 10.20 10.90 183836.61-023418.9

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