18192-2941 B  2444

 
 
18h 19m 13.32s -29 40' 51.6" P.A. 354 sep 6.7 mag 8.77,8.70 Sp ApSi
 
 
Coord 2000
18192-2941
Discov num
B  2444
Comp
Coord arcsec 2000
18 19 13.32 -29 40 51.6
Date first
1930
Date last
2000
Obs
4
Pa first
0
Pa last
354
P.A. Now (θ)
354°
Sep first
6.0
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
8.77
Mag sec
8.70
delta mag (ΔM)
0.07
Spectral class
ApSi (white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
353.8
Precise sep
6.715
Constellation
Sagittarius
SAO
186640
Tycho2
6856-00280-1
HD
168057
last precise pa
353.8
last precise sep
6.715
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18192-2941 B 2444 1999 2 354 6.9 8.77   ApSi D 181913.32-294051.6
18192-2941 B 2444 2000 4 354 6.7 8.77 8.70 ApSi D 181913.32-294051.6

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