19579-0904 BU 1475AB

 
 
19h 57m 53.70s -09 03' 30.3" P.A. 113 sep 10.4 mag 7.77,9.47 Sp K2 dist. 247.52 pc (807.41 l.y.)
 
 
Coord 2000
19579-0904
Discov num
BU 1475
Comp
AB
Coord arcsec 2000
19 57 53.70 -09 03 30.3
Date first
1906
Date last
2015
Obs
17
Pa first
113
Pa last
113
P.A. Now (θ)
113°
Sep first
10.3
Sep last
10.4
Sep. Now (ρ)
10.4"
Mag pri
7.77
Mag sec
9.47
delta mag (ΔM)
1.7
Spectral class
K2 (yellow-orange)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-014
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
19579-0904 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19579-0904 BU 1475 AB 1906 2015 17 113 10.4 7.77 9.47 1.70 <===
Show 19579-0904 HDO 155 AC 1868 2015 20 119 115.1 7.77 8.70 0.93
Show 19579-0904 BU 1475 CD 1906 2015 9 163 4.9 8.70 11.10 2.40
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
112.8
Precise sep
10.421
Constellation
Aquila
HIP
98246
Tycho2
5738-01042-1
Gaia DR2
64040123264
HD
188938
BD
BD-09 5303
Distance
247.52
Distance ly
807.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19579-0904 BU 1475 AB 2003 13 113 10.4 7.77 9.47 K2 D 195753.70-090330.3
19579-0904 BU 1475 AB 2010 14 113 10.4 7.77 9.47 K2 D 195753.70-090330.3
19579-0904 BU 1475 AB 2012 16 112 10.4 7.77 9.47 K2 D 195753.70-090330.3
19579-0904 BU 1475 AB 2015 17 113 10.4 7.77 9.47 K2 195753.70-090330.3

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