19054+1352 BU  287AB (Deneb el okab)

 
 
19h 05m 24.61s +13 51' 49.4" P.A. 46 sep 7.2 mag 2.96,12.00 Sp A0Vn dist. 25.46 pc (83.05 l.y.)
 
 
Coord 2000
19054+1352
Discov num
BU  287
Comp
AB
Coord arcsec 2000
19 05 24.61 +13 51 49.4
Date first
1874
Date last
2009
Obs
23
Pa first
60
Pa last
46
P.A. Now (θ)
46°
Sep first
5.0
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
2.96
Mag sec
12.00
delta mag (ΔM)
9.04
Spectral class
A0Vn (white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-096
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19054+1352 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Deneb el okab 104461 19054+1352 BU 287 AB 1874 2009 23 46 7.2 2.96 12.00 9.04 <===
Show 104461 19054+1352 BU 287 AC 1879 2007 8 76 161.3 2.96 12.20 9.24
Show 104461 19054+1352 POP1225 AD 1896 2010 8 151 200.5 2.96 10.65 7.69
Show 104461 19054+1352 DRS 63 AE 1999 2001 2 117 999.9 2.96 16.20 13.24
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
46
Precise sep
7.16
Common name
Deneb el okab
Other names
Deneb
Constellation
Aquila
SAO
104461
HIP
93747
Tycho2
1052-03027-1
HD
177724
HR
7235
GC
26270
GL
NN 4095A
BD
BD+13 3899
Bayer
Zeta Aquilae
Bayer name
Zet Aql
Flamsteed
17 Aquilae
Flamsteed name
17 Aql
Distance
25.46
Distance ly
83.05
last precise pa
46
last precise sep
7.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19054+1352 BU 287 AB 1934 20 53 6.5 2.96 12.00 A0Vn N D 190524.61+135149.4
19054+1352 BU 287 AB 2009 21 46 7.2 2.96 12.00 A0Vn N D 190524.61+135149.4

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