20227+1320 STF2673AB

 
 
20h 22m 43.76s +13 20' 25.4" P.A. 326.00 sep 2.4 mag 8.29,9.75 Sp F2
 
 
Coord 2000
20227+1320
Discov num
STF2673
Comp
AB
Coord arcsec 2000
20 22 43.76 +13 20 25.4
Date first
1828
Date last
2016
Obs
45
Pa first
336
Pa last
326
P.A. Now (θ)
326°
Sep first
2.0
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
8.29
Mag sec
9.75
delta mag (ΔM)
1.46
Spectral class
F2 (yellow-white)
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-028
Sec motion dec
-032
Notes
T (Parallax indicates physical)
Visually invisible, K-band or other infrared star rPM=0.123 (< 0.3, Physical double)
This double is physical.
 
 
20227+1320 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 106038 20227+1320 STF2673 AB 1828 2016 45 326 2.4 8.29 9.75 1.46 <===
Show 106038 20227+1320 STF2673 AC 1829 2016 32 100 76.5 8.29 8.60 0.31
Show 106040 20227+1320 STF2674 CD 1828 2016 32 1 15.0 8.60 11.43 2.83
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326.2
Precise sep
2.422
Constellation
Delphinus
SAO
106038
Tycho2
1086-01256-1
Gaia DR2
41211977216
HD
193967
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20227+1320 STF2673 AB 1999 40 327 2.4 8.29 9.75 F2 202243.76+132025.4
20227+1320 STF2673 AB 2009 41 327 2.4 8.29 9.75 F2 202243.76+132025.4
20227+1320 STF2673 AB 2011 42 326 2.3 8.29 9.75 F2 202243.76+132025.4
20227+1320 STF2673 AB 2016 43 326 2.4 8.29 9.75 F2 202243.76+132025.4

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