18150-1857 RST3167

 
 
18h 15m 00.22s -18 56' 36.9" P.A. 152 sep 4.5 mag 8.07,12.70 Sp B5
 
 
Coord 2000
18150-1857
Discov num
RST3167
Comp
Coord arcsec 2000
18 15 00.22 -18 56 36.9
Date first
1935
Date last
2006
Obs
4
Pa first
155
Pa last
152
P.A. Now (θ)
152°
Sep first
4.0
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
8.07
Mag sec
12.70
delta mag (ΔM)
4.63
Spectral class
B5 (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
152
Precise sep
4.53
Constellation
Sagittarius
Tycho2
6272-01881-1
HD
167224
last precise pa
152
last precise sep
4.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18150-1857 RST3167 1987 3 152 4.4 8.07 12.70 B5 181500.22-185636.9
18150-1857 RST3167 2006 4 152 4.5 8.07 12.70 B5 181500.22-185636.9

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