18118-1903 I  1479

 
 
18h 11m 46.22s -19 02' 39.3" P.A. 235 sep 1.8 mag 9.13,11.60 Sp B5II/III
 
 
Coord 2000
18118-1903
Discov num
I  1479
Comp
Coord arcsec 2000
18 11 46.22 -19 02 39.3
Date first
1925
Date last
1929
Obs
2
Pa first
237
Pa last
235
P.A. Now (θ)
235°
Sep first
1.9
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
9.13
Mag sec
11.60
delta mag (ΔM)
2.47
Spectral class
B5II/III (blue-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
234.6
Precise sep
1.76
Constellation
Sagittarius
SAO
161160
Tycho2
6272-00448-1
HD
166501
last precise pa
234.6
last precise sep
1.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18118-1903 I 1479 1929 2 235 1.8 9.13 11.60 B5II/III 181146.22-190239.3

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