18027+5552 ES   79AC

 
 
18h 02m 39.77s +55 52' 04.6" P.A. 93 sep 24.7 mag 10.72,10.86 Sp F5
 
 
Coord 2000
18027+5552
Discov num
ES   79
Comp
AC
Coord arcsec 2000
18 02 39.77 +55 52 04.6
Date first
1901
Date last
2015
Obs
18
Pa first
94
Pa last
93
P.A. Now (θ)
93°
Sep first
24.6
Sep last
24.7
Sep. Now (ρ)
24.7"
Mag pri
10.72
Mag sec
10.86
delta mag (ΔM)
0.14
Spectral class
F5 (yellow-white)
Pri motion ra
-006
Sec motion ra
+002
Pri motion dec
-005
Sec motion dec
-003
Notes
rPM=1.056
This double is not physical.
 
 
18027+5552 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18027+5552 ES 79 AB 1901 2015 11 56 6.3 10.72 12.90 2.18
Show 18027+5552 ES 79 AC 1901 2015 18 93 24.7 10.72 10.86 0.14 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
92.7
Precise sep
24.66
Constellation
Draco
Tycho2
3907-00123-1
HD
238800
last precise pa
92.7
last precise sep
24.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18027+5552 ES 79 AC 2000 14 93 24.6 10.72 10.86 F5 D 180239.77+555204.6
18027+5552 ES 79 AC 2010 15 93 24.7 10.72 10.86 F5 D 180239.77+555204.6
18027+5552 ES 79 AC 2011 16 93 24.7 10.72 10.86 F5 D 180239.77+555204.6
18027+5552 ES 79 AC 2015 18 93 24.7 10.72 10.86 F5 180239.77+555204.6

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