15073+2452 ENG  52AB (45 Boo)

 
 
15h 07m 18.06s +24 52' 09.1" P.A. 40 sep 103.5 mag 4.97,11.53 Sp F5V dist. 19.55 pc (63.77 l.y.)
 
 
Coord 2000
15073+2452
Discov num
ENG  52
Comp
AB
Coord arcsec 2000
15 07 18.06 +24 52 09.1
Date first
1888
Date last
2012
Obs
12
Pa first
55
Pa last
40
P.A. Now (θ)
40°
Sep first
108.2
Sep last
103.5
Sep. Now (ρ)
103.5"
Mag pri
4.97
Mag sec
11.53
delta mag (ΔM)
6.56
Spectral class
F5V (yellow-white)
Pri motion ra
+185
Sec motion ra
+017
Pri motion dec
-164
Sec motion dec
-030
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.869
This double is not physical.
 
 
15073+2452 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 45 Boo 83671 15073+2452 ENG 52 AB 1888 2012 12 40 103.5 4.97 11.53 6.56 <===
Show 83671 15073+2452 ENG 52 AC 1887 2002 18 18 247.9 4.97 10.23 5.26
Show 15073+2452 ENG 52 BC 1888 2001 9 2 162.3 11.53 10.23 1.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
40.4
Precise sep
103.46
Name
45 Boo
Other name
c Boo
Constellation
Bootes
SAO
83671
HIP
73996
Tycho2
2024-01355-1
HD
134083
HR
5634
GC
20342
GL
Gl 578
BD
BD+25 2873
Flamsteed
45 Bootis
Flamsteed name
45 Boo
Distance
19.55
Distance ly
63.77
last precise pa
40.4
last precise sep
103.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15073+2452 ENG 52 AB 1999 10 42 103.8 4.93 10.80 F5V N D 150717.95+245210.5
15073+2452 ENG 52 AB 2001 11 42 103.2 4.97 10.80 F5V N D 150717.95+245210.5
15073+2452 ENG 52 AB 2012 12 40 103.5 4.97 11.53 F5V NU 150717.95+245210.5

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