19217-1715 HO  272AB

 
 
19h 21m 41.64s -17 14' 43.5" P.A. 56 sep 16.8 mag 7.45,11.30 Sp F6V dist. 76.28 pc (248.83 l.y.)
 
 
Coord 2000
19217-1715
Discov num
HO  272
Comp
AB
Coord arcsec 2000
19 21 41.64 -17 14 43.5
Date first
1888
Date last
2015
Obs
11
Pa first
38
Pa last
56
P.A. Now (θ)
56°
Sep first
6.7
Sep last
16.8
Sep. Now (ρ)
16.8"
Mag pri
7.45
Mag sec
11.30
delta mag (ΔM)
3.85
Spectral class
F6V (yellow-white)
Pri motion ra
-067
Sec motion ra
+002
Pri motion dec
-039
Sec motion dec
-005
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.992
This double is not physical.
 
 
19217-1715 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 162516 19217-1715 HO 272 AB 1888 2015 11 56 16.8 7.45 11.30 3.85 <===
Show 162516 19217-1715 HO 272 AC 1897 2000 2 291 58.3 7.45 12.40 4.95
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.9
Precise sep
16.818
Constellation
Sagittarius
SAO
162516
HIP
95172
Tycho2
6301-01335-1
Gaia DR2
4180762608077527040
HD
181576
BD
BD-17 5598
Distance
76.28
Distance ly
248.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19217-1715 HO 272 AB 1959 8 52 12.3 7.40 11.90 F6V N 192141.69-171443.2
19217-1715 HO 272 AB 2000 9 55 15.7 7.45 11.30 F6V N D 192141.64-171443.5
19217-1715 HO 272 AB 2015 11 56 16.8 7.45 11.30 F6V NL U 192141.64-171443.5

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