19048-3057 SEE 368

 
 
19h 04m 45.16s -30 56' 55.1" P.A. 305 sep 16.7 mag 8.77,11.80 Sp B8V+B7V
 
 
Coord 2000
19048-3057
Discov num
SEE 368
Comp
Coord arcsec 2000
19 04 45.16 -30 56 55.1
Date first
1896
Date last
2010
Obs
9
Pa first
306
Pa last
305
P.A. Now (θ)
305°
Sep first
16.9
Sep last
16.7
Sep. Now (ρ)
16.7"
Mag pri
8.77
Mag sec
11.80
delta mag (ΔM)
3.03
Spectral class
B8V+B7V (blue-white/blue-white)
Pri motion ra
-005
Sec motion ra
-010
Pri motion dec
-006
Sec motion dec
-003
Notes
Y (Parallax indicates components are non-physical)
rPM=0.559
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
304.6
Precise sep
16.69
Constellation
Sagittarius
SAO
210894
Tycho2
7410-02809-1
HD
177138
last precise pa
304.6
last precise sep
16.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19048-3057 SEE 368 2000 7 305 16.7 8.77 11.80 B9IV D 190445.16-305655.1
19048-3057 SEE 368 2010 9 305 16.5 8.77 11.80 B8V+B7V Y 190445.16-305655.1

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