18290-1858 I  1368

 
 
18h 28m 59.86s -18 57' 45.6" P.A. 288 sep 0.6 mag 9.00,11.50 Sp F6V
 
 
Coord 2000
18290-1858
Discov num
I  1368
Comp
Coord arcsec 2000
18 28 59.86 -18 57 45.6
Date first
1925
Date last
1929
Obs
2
Pa first
293
Pa last
288
P.A. Now (θ)
288°
Sep first
0.7
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
9.00
Mag sec
11.50
delta mag (ΔM)
2.5
Spectral class
F6V (yellow-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288.2
Precise sep
0.57
Constellation
Sagittarius
SAO
161515
Tycho2
6274-01484-1
HD
170204
last precise pa
288.2
last precise sep
0.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18290-1858 I 1368 1929 2 288 0.6 9.00 11.50 F6V 182859.86-185745.6

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