18253+4846 STT 351AC

 
 
18h 25m 18.20s +48 45' 42.5" P.A. 26 sep 0.8 mag 7.90,8.25 Sp G5 dist. 144.72 pc (472.08 l.y.)
 
 
Coord 2000
18253+4846
Discov num
STT 351
Comp
AC
Coord arcsec 2000
18 25 18.20 +48 45 42.5
Date first
1843
Date last
2015
Obs
91
Pa first
45
Pa last
26
P.A. Now (θ)
26°
Sep first
0.3
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
7.90
Mag sec
8.25
delta mag (ΔM)
0.35
Spectral class
G5 (yellow)
Pri motion ra
+019
Sec motion ra
+019
Pri motion dec
+004
Sec motion dec
+004
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18253+4846 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47482 18253+4846 HU 66 AB 1883 2011 60 189 0.1 7.90 8.40 0.50 Y
Show 47482 18253+4846 STT 351 AC 1843 2015 91 26 0.8 7.90 8.25 0.35 <===
Show 47482 18253+4846 HU 66 BC 1898 2015 15 26 0.9 8.40 8.25 0.15 Y
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
26.1
Precise sep
0.83
Constellation
Draco
SAO
47482
HIP
90284
Tycho2
3534-00302-1
HD
170109
BD
BD+48 2692
Distance
144.72
Distance ly
472.08
last precise pa
26.1
last precise sep
0.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18253+4846 STT 351 AC 2005 87 29 0.6 7.90 8.25 D 182518.20+484542.5
18253+4846 STT 351 AC 2007 88 23 0.7 7.90 8.25 D 182518.20+484542.5
18253+4846 STT 351 AC 2010 90 26 0.8 7.90 8.25 N D 182518.20+484542.5
18253+4846 STT 351 AC 2011 92 25 0.8 7.90 8.25 G5 N 182518.20+484542.5
18253+4846 STT 351 AC 2013 90 25 0.8 7.90 8.25 G5 N 182518.20+484542.5
18253+4846 STT 351 AC 2015 91 26 0.8 7.90 8.25 G5 N 182518.20+484542.5

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