19387-1009 STF2545AB

 
 
19h 38m 43.36s -10 09' 23.7" P.A. 326.00 sep 3.7 mag 6.79,8.54 Sp A9III dist. 86.28 pc (281.45 l.y.)
 
 
Coord 2000
19387-1009
Discov num
STF2545
Comp
AB
Coord arcsec 2000
19 38 43.36 -10 09 23.7
Date first
1782
Date last
2020
Obs
119
Pa first
307
Pa last
326
P.A. Now (θ)
326°
Sep first
0.6
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
6.79
Mag sec
8.54
delta mag (ΔM)
1.75
Spectral class
A9III (white)
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-033
Sec motion dec
-033
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
19387-1009 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 162843 19387-1009 STF2545 AB 1782 2020 119 326 3.7 6.79 8.54 1.75 <===
Show 162843 19387-1009 STF2545 AC 1847 2015 18 163 25.1 6.79 11.60 4.81
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326.4
Precise sep
3.66
Constellation
Aquila
SAO
162843
HIP
96622
Tycho2
5727-02381-1
Gaia DR2
51749724032
HD
185298
BD
BD-10 5140
Distance
86.28
Distance ly
281.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19387-1009 STF2545 AB 2007 107 325 4.1 6.79 8.54 A9III D 193843.36-100923.7
19387-1009 STF2545 AB 2008 108 326 4.0 6.79 8.54 A9III D 193843.36-100923.7
19387-1009 STF2545 AB 2012 114 326 3.7 6.79 8.54 A9III N D 193843.36-100923.7
19387-1009 STF2545 AB 2016 115 325 3.9 6.79 8.54 A9III N 193843.36-100923.7
19387-1009 STF2545 AB 2020 119 326 3.7 6.79 8.54 A9III N 193843.36-100923.7

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