20066+0735 STTA198AB

 
 
20h 06m 38.76s +07 34' 34.2" P.A. 185 sep 64.6 mag 7.12,7.55 Sp A2V+A3V dist. 121.36 pc (395.88 l.y.)
 
 
Coord 2000
20066+0735
Discov num
STTA198
Comp
AB
Coord arcsec 2000
20 06 38.76 +07 34 34.2
Date first
1875
Date last
2018
Obs
40
Pa first
186
Pa last
185
P.A. Now (θ)
185°
Sep first
65.2
Sep last
64.6
Sep. Now (ρ)
64.6"
Mag pri
7.12
Mag sec
7.55
delta mag (ΔM)
0.43
Spectral class
A2V+A3V (white/white)
Pri motion ra
+000
Sec motion ra
+005
Pri motion dec
-022
Sec motion dec
-019
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=0.265 (< 0.3, Physical double)
This double is physical.
 
 
20066+0735 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20066+0735 STTA198 AB 1875 2018 40 185 64.6 7.12 7.55 0.43 <===
Show 20066+0735 STTA198 AC 1901 2016 11 174 36.1 7.12 13.40 6.28
Show 20066+0735 GMC 6 AD 2000 2016 8 316 33.8 7.12 13.90 6.78
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185
Precise sep
64.6
Constellation
Aquila
HIP
99055
Tycho2
1072-02229-1
Gaia DR2
52639518720
HD
190849
BD
BD+07 4367
Distance
121.36
Distance ly
395.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20066+0735 STTA198 AB 2003 26 185 65.2 7.12 7.55 A2V A3V NZD 200638.76+073434.2
20066+0735 STTA198 AB 2008 27 185 65.5 7.12 7.55 A2V A3V NZD 200638.76+073434.2
20066+0735 STTA198 AB 2011 29 186 64.1 7.12 7.55 A2V A3V NZD 200638.76+073434.2
20066+0735 STTA198 AB 2012 31 185 65.9 7.12 7.55 A2V A3V NZD 200638.76+073434.2
20066+0735 STTA198 AB 2013 34 186 64.8 7.12 7.55 A2V A3V NZD 200638.76+073434.2
20066+0735 STTA198 AB 2017 36 185 64.6 7.12 7.55 A2V+A3V NZ 200638.76+073434.2
20066+0735 STTA198 AB 2018 40 185 64.6 7.12 7.55 A2V+A3V NZ 200638.76+073434.2

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