18384+6043 HJ 2836AB

 
 
18h 38m 24.32s +60 42' 39.3" P.A. 316 sep 32.4 mag 6.68,12.90 Sp F2 dist. 107.76 pc (351.51 l.y.)
 
 
Coord 2000
18384+6043
Discov num
HJ 2836
Comp
AB
Coord arcsec 2000
18 38 24.32 +60 42 39.3
Date first
1831
Date last
2012
Obs
8
Pa first
328
Pa last
316
P.A. Now (θ)
316°
Sep first
35.0
Sep last
32.4
Sep. Now (ρ)
32.4"
Mag pri
6.68
Mag sec
12.90
delta mag (ΔM)
6.22
Spectral class
F2 (yellow-white)
Pri motion ra
+002
Sec motion ra
+008
Pri motion dec
+054
Sec motion dec
-027
Notes
rPM=1.503
This double is not physical.
 
 
18384+6043 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17961 18384+6043 HJ 2836 AB 1831 2012 8 316 32.4 6.68 12.90 6.22 <===
Show 17961 18384+6043 HJ 2836 AC 1905 2012 6 252 56.1 6.68 13.50 6.82
Show 17961 18384+6043 SLE 235 AD 1982 2012 5 313 154.4 6.68 11.55 4.87
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
316.4
Precise sep
32.41
Constellation
Draco
SAO
17961
HIP
91397
Tycho2
4215-01006-1
HD
172825
BD
BD+60 1840
Distance
107.76
Distance ly
351.51
last precise pa
316.4
last precise sep
32.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18384+6043 HJ 2836 AB 1982 4 317 33.4 6.70 9.90 F2 183824.32+604239.3
18384+6043 HJ 2836 AB 2010 5 316 33.1 6.70 9.90 F2 183824.32+604239.3
18384+6043 HJ 2836 AB 2012 7 316 32.4 6.70 9.90 F2 183824.32+604239.3

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