20194+1422 STF2665A,BC

 
 
20h 19m 21.16s +14 22' 14.6" P.A. 12.00 sep 3.3 mag 6.88,9.55 Sp KIII+BV+ dist. 167.79 pc (547.33 l.y.)
 
 
Coord 2000
20194+1422
Discov num
STF2665
Comp
A,BC
Coord arcsec 2000
20 19 21.16 +14 22 14.6
Date first
1829
Date last
2012
Obs
32
Pa first
17
Pa last
12
P.A. Now (θ)
12°
Sep first
3.1
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
6.88
Mag sec
9.55
delta mag (ΔM)
2.67
Spectral class
KIII+BV+ (yellow-orange/blue-white)
Pri motion ra
+013
Sec motion ra
+015
Pri motion dec
+009
Sec motion dec
+011
Notes
N (See Notes)
Visually invisible, K-band or other infrared star rPM=0.152 (< 0.3, Physical double)
This double is physical.
 
 
20194+1422 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 105957 20194+1422 STF2665 A,BC 1829 2012 32 12 3.3 6.88 9.55 2.67 <===
Show 105957 20194+1422 A 1672 BC 1907 2019 12 65 0.1 10.10 10.80 0.70
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.8
Precise sep
3.26
Constellation
Delphinus
SAO
105957
HIP
100192
Tycho2
1086-02191-1
Gaia DR2
83188324224
HD
193349
BD
BD+13 4356
Distance
167.79
Distance ly
547.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20194+1422 STF2665 A,BC 2006 31 13 3.1 6.88 9.55 A0+G 201921.16+142214.6
20194+1422 STF2665 A,BC 2012 32 12 3.2 6.88 9.55 A0 G 201921.16+142214.6

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