18172-3719 RST3168

 
 
18h 17m 13.33s -37 19' 00.6" P.A. 195 sep 1.7 mag 10.88,13.20 Sp B9
 
 
Coord 2000
18172-3719
Discov num
RST3168
Comp
Coord arcsec 2000
18 17 13.33 -37 19 00.6
Date first
1935
Date last
1945
Obs
2
Pa first
197
Pa last
195
P.A. Now (θ)
195°
Sep first
1.7
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
10.88
Mag sec
13.20
delta mag (ΔM)
2.32
Spectral class
B9 (blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195.3
Precise sep
1.69
Constellation
Corona Austrina
Tycho2
7404-02054-1
HD
325150
last precise pa
195.3
last precise sep
1.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18172-3719 RST3168 1945 2 195 1.7 10.88 13.20 B9 181713.33-371900.6

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