20227+1320 STF2674CD

 
 
20h 22m 48.91s +13 20' 12.2" P.A. 1 sep 15 mag 8.60,11.43 Sp K0 dist. 279.33 pc (911.17 l.y.)
 
 
Coord 2000
20227+1320
Discov num
STF2674
Comp
CD
Coord arcsec 2000
20 22 48.91 +13 20 12.2
Date first
1828
Date last
2016
Obs
28
Pa first
0
Pa last
1
P.A. Now (θ)
Sep first
12.0
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
8.60
Mag sec
11.43
delta mag (ΔM)
2.83
Spectral class
K0 (yellow-orange)
Pri motion ra
+007
Sec motion ra
+008
Pri motion dec
+008
Sec motion dec
+009
Notes
V (Proper motion indicates physical)
rPM=0.117 (< 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 20227+1320 STF2673 AB 1828 2016 45 326 2.4 8.29 9.75 1.46
Show 20227+1320 STF2673 AC 1829 2016 32 100 76.5 8.29 8.60 0.31
Show 20227+1320 STF2674 CD 1828 2016 28 1 15.0 8.60 11.43 2.83 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
1
Precise sep
15.03
Constellation
Delphinus
SAO
106040
HIP
100506
Tycho2
1086-01382-1
Gaia DR2
19657453696
BD
BD+12 4308
Distance
279.33
Distance ly
911.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20227+1320 STF2674 CD 1999 20 0 15.2 8.80 11.50 K0 D 202248.91+132012.2
20227+1320 STF2674 CD 2001 24 1 15.1 8.60 11.30 K0 VD 202248.91+132012.2
20227+1320 STF2674 CD 2013 25 1 15.3 8.60 11.43 K0 V 202248.91+132012.2
20227+1320 STF2674 CD 2015 26 1 15.6 8.60 11.43 K0 V 202248.91+132012.2
20227+1320 STF2674 CD 2016 28 1 15.0 8.60 11.43 K0 V 202248.91+132012.2

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