18029+5626 STF2278AC

 
 
18h 02m 52.88s +56 25' 40.3" P.A. 38 sep 33.6 mag 7.78,8.53 Sp A9V dist. 137.74 pc (449.31 l.y.)
 
 
Coord 2000
18029+5626
Discov num
STF2278
Comp
AC
Coord arcsec 2000
18 02 52.88 +56 25 40.3
Date first
1828
Date last
2010
Obs
35
Pa first
22
Pa last
38
P.A. Now (θ)
38°
Sep first
38.6
Sep last
33.6
Sep. Now (ρ)
33.6"
Mag pri
7.78
Mag sec
8.53
delta mag (ΔM)
0.75
Spectral class
A9V (white)
Pri motion ra
-021
Sec motion ra
+001
Pri motion dec
+039
Sec motion dec
+012
Notes
N L (See Notes, Linear solution)
rPM=0.786
Nature of this double is uncertain.
 
 
18029+5626 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 30715 18029+5626 STF2278 AB 1830 2010 84 29 36.0 7.78 8.14 0.36
Show 30715 18029+5626 STF2278 AC 1828 2010 35 38 33.6 7.78 8.53 0.75 <===
Show 30715 18029+5626 STF2278 AD 1880 2005 14 189 196.5 7.78 10.19 2.41
Show 30715 18029+5626 SLE 128 AE 1982 2003 3 280 47.2 7.78 13.18 5.40
Show 30715 18029+5626 SLE 128 AF 1920 2003 4 278 85.8 7.78 12.72 4.94
Show 30715 18029+5626 SLE 128 AG 1920 2003 5 250 127.9 7.78 11.96 4.18
Show 30716 18029+5626 STF2278 BC 1828 2010 81 146 6.0 8.14 8.53 0.39
Show 18029+5626 STF2278 DS 1909 2003 5 224 5.2 10.19 14.60 4.41
Octuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
37.7
Precise sep
33.56
Constellation
Draco
SAO
30715
HIP
88381
Tycho2
3911-01862-1
HD
165502
BD
BD+56 2061
Distance
137.74
Distance ly
449.31
last precise pa
37.7
last precise sep
33.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18029+5626 STF2278 AC 2006 31 38 33.5 7.78 8.53 A9V NLD 180252.88+562540.3
18029+5626 STF2278 AC 2008 32 37 34.0 7.78 8.53 A9V NLD 180252.88+562540.3
18029+5626 STF2278 AC 2010 34 38 33.6 7.78 8.53 A9V NLD 180252.88+562540.3

If you need more information about this double, apply for a data request form to the WDS.