18196-1601 OL   13

 
 
18h 19m 15.05s -16 01' 42.2" P.A. 176 sep 4.6 mag 9.36,11.90 Sp F7V
 
 
Coord 2000
18196-1601
Discov num
OL   13
Comp
Coord arcsec 2000
18 19 15.05 -16 01 42.2
Date first
1905
Date last
2000
Obs
6
Pa first
184
Pa last
176
P.A. Now (θ)
176°
Sep first
4.3
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
9.36
Mag sec
11.90
delta mag (ΔM)
2.54
Spectral class
F7V (yellow-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.8
Precise sep
4.625
Constellation
Sagittarius
Tycho2
6265-02475-1
last precise pa
175.8
last precise sep
4.625
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18196-1601 OL 13 1953 2 172 4.2 9.36 11.90 F7V 181935.66-160035.9
18196-1601 OL 13 2000 3 176 4.7 9.36 11.90 F7V 181915.05-160142.2

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