18029+5626 STF2278BC

18h 02m 54.92s +56 26' 12.4" P.A. 147 sep 6 mag 8.14,8.53 Sp A0 dist. 187.62 pc (612.02 l.y.)

Coord 2000
18029+5626
Discov num
STF2278
Comp
BC
Coord arcsec 2000
18 02 54.92 +56 26 12.4
Date first
1828
Date last
2017
Obs
82
Pa first
145
Pa last
147
P.A. Now (θ)
147°
Sep first
6.5
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
8.14
Mag sec
8.53
delta mag (ΔM)
0.39
Spectral class
A0 (white)
Pri motion ra
+004
Sec motion ra
+001
Pri motion dec
+013
Sec motion dec
+012
Notes
N (See Notes)


rPM=0.232 (< 0.3, Physical double)

This double is physical.



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 2017 85 30 35.9 7.78 8.14 0.36
Show 30715 18029+5626 STF2278 AC 1828 2017 36 39 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 2017 82 147 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
146.6
Precise sep
6.019
Cdsa2 id
STF 2278 BC
Constellation
Draco
SAO
30716
HIP
88385
Tycho2
3911-00397-1
HD
165501
BD
BD+56 2060
Ra deg
18.04858888888889
De deg
56.43677777777778
Distance
187.62
Distance ly
612.02
last precise pa
146.6
last precise sep
6.019




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18029+5626 STF2278 BC 2006 78 146 6.0 8.14 8.53 A0 N D 180254.92+562612.4
18029+5626 STF2278 BC 2008 79 146 6.0 8.14 8.53 A0 N D 180254.92+562612.4
18029+5626 STF2278 BC 2010 80 146 6.0 8.14 8.53 A0 N D 180254.92+562612.4
18029+5626 STF2278 BC 2017 82 147 6.0 8.14 8.53 A0 N 180254.92+562612.4

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