16539-1919 B  1838

 
 
16h 53m 54.56s -19 18' 50.8" P.A. 250 sep 0.4 mag 9.11,9.39 Sp F6V
 
 
Coord 2000
16539-1919
Discov num
B  1838
Comp
Coord arcsec 2000
16 53 54.56 -19 18 50.8
Date first
1929
Date last
1991
Obs
9
Pa first
217
Pa last
250
P.A. Now (θ)
250°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.11
Mag sec
9.39
delta mag (ΔM)
0.28
Spectral class
F6V (yellow-white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
-049
Sec motion dec
-049
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
250.3
Precise sep
0.41
Constellation
Ophiuchus
SAO
160149
Tycho2
6226-00268-1
HD
152395
last precise pa
250.3
last precise sep
0.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16539-1919 B 1838 1991 9 250 0.4 9.11 9.39 F6V 165354.56-191850.8

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