15289+5727 BU  945AB

 
 
15h 28m 51.93s +57 26' 42.6" P.A. 97 sep 36.6 mag 6.96,12.42 Sp F7V dist. 44.5 pc (145.16 l.y.)
 
 
Coord 2000
15289+5727
Discov num
BU  945
Comp
AB
Coord arcsec 2000
15 28 51.93 +57 26 42.6
Date first
1879
Date last
2003
Obs
12
Pa first
13
Pa last
97
P.A. Now (θ)
97°
Sep first
16.4
Sep last
36.6
Sep. Now (ρ)
36.6"
Mag pri
6.96
Mag sec
12.42
delta mag (ΔM)
5.46
Spectral class
F7V (yellow-white)
Pri motion ra
-261
Sec motion ra
+008
Pri motion dec
+165
Sec motion dec
-008
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.036
This double is not physical.
 
 
15289+5727 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 29542 15289+5727 BU 945 AB 1879 2003 12 97 36.6 6.96 12.42 5.46 <===
Show 29542 15289+5727 FOX 189 AC 1913 2003 3 19 65.5 6.96 13.34 6.38
Show 29542 15289+5727 GIC 128 AD 1953 2010 10 131 185.2 6.96 11.81 4.85
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
97.3
Precise sep
36.571
Constellation
Draco
SAO
29542
HIP
75783
Tycho2
3872-01044-1
HD
138367
BD
BD+57 1590
Distance
44.5
Distance ly
145.16
last precise pa
97.3
last precise sep
36.571
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15289+5727 BU 945 AB 1999 11 97 35.5 6.92 12.80 F7V NLD 152851.93+572642.6
15289+5727 BU 945 AB 2003 12 97 36.6 6.92 12.80 F7V NLD 152851.93+572642.6

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