19560+1753 HO  116AB

 
 
19h 56m 02.01s +17 53' 12.6" P.A. 20 sep 3.9 mag 8.33,11.71 Sp B9 dist. 729.93 pc (2381.03 l.y.)
 
 
Coord 2000
19560+1753
Discov num
HO  116
Comp
AB
Coord arcsec 2000
19 56 02.01 +17 53 12.6
Date first
1886
Date last
2000
Obs
10
Pa first
22
Pa last
20
P.A. Now (θ)
20°
Sep first
3.9
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
8.33
Mag sec
11.71
delta mag (ΔM)
3.38
Spectral class
B9 (blue-white)
Pri motion ra
-003
Sec motion ra
+000
Pri motion dec
-011
Sec motion dec
-004
Notes
rPM=0.668
Nature of this double is uncertain.
 
 
19560+1753 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 105437 19560+1753 HO 116 AB 1886 2000 10 20 3.9 8.33 11.71 3.38 <===
Show 105437 19560+1753 HJ 2908 AC 1831 2001 8 12 18.9 8.33 13.30 4.97
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
19.6
Precise sep
3.85
Constellation
Sagitta
SAO
105437
HIP
98087
Tycho2
1620-02894-1
HD
188726
BD
BD+17 4149
Distance
729.93
Distance ly
2381.03
last precise pa
19.6
last precise sep
3.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19560+1753 HO 116 AB 2000 10 20 3.9 8.33 11.71 B9 D 195602.01+175312.6

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