18025+4414 BU 1127AB

 
 
18h 02m 30.89s +44 14' 02.6" P.A. 42 sep 0.8 mag 7.31,9.20 Sp F5V dist. 81.3 pc (265.2 l.y.)
 
 
Coord 2000
18025+4414
Discov num
BU 1127
Comp
AB
Coord arcsec 2000
18 02 30.89 +44 14 02.6
Date first
1889
Date last
2016
Obs
90
Pa first
146
Pa last
42
P.A. Now (θ)
42°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
7.31
Mag sec
9.20
delta mag (ΔM)
1.89
Spectral class
F5V (yellow-white)
Pri motion ra
-040
Sec motion ra
-040
Pri motion dec
-067
Sec motion dec
-067
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
18025+4414 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47163 18025+4414 OLE 4 Aa,Ab 1975 2007 2 45 0.7 7.31 Y
Show 47163 18025+4414 BU 1127 AB 1889 2016 90 42 0.8 7.31 9.20 1.89 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.3
Precise sep
0.77
Constellation
Hercules
SAO
47163
HIP
88350
Tycho2
3114-01159-1
HD
165170
BD
BD+44 2812
Distance
81.3
Distance ly
265.2
last precise pa
42.3
last precise sep
0.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18025+4414 BU 1127 AB 2002 77 60 0.8 7.31 9.20 F5V NOD 180230.89+441402.6
18025+4414 BU 1127 AB 2007 80 55 0.7 7.31 9.20 F5V NOD 180230.89+441402.6
18025+4414 BU 1127 AB 2010 84 53 0.7 7.31 9.20 F5V NOD 180230.89+441402.6
18025+4414 BU 1127 AB 2011 87 50 0.7 7.31 9.20 F5V NO 180230.89+441402.6
18025+4414 BU 1127 AB 2012 88 49 0.7 7.31 9.20 F5V NO 180230.89+441402.6
18025+4414 BU 1127 AB 2015 89 47 0.7 7.31 9.20 F5V NO 180230.89+441402.6
18025+4414 BU 1127 AB 2016 90 42 0.8 7.31 9.20 F5V NO 180230.89+441402.6

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