20184+5524 STF2671AB

 
 
20h 18m 24.76s +55 23' 49.8" P.A. 337 sep 3.8 mag 6.01,7.51 Sp A2Vs dist. 90.5 pc (295.21 l.y.)
 
 
Coord 2000
20184+5524
Discov num
STF2671
Comp
AB
Coord arcsec 2000
20 18 24.76 +55 23 49.8
Date first
1823
Date last
2016
Obs
117
Pa first
340
Pa last
337
P.A. Now (θ)
337°
Sep first
4.0
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
6.01
Mag sec
7.51
delta mag (ΔM)
1.5
Spectral class
A2Vs (white)
Pri motion ra
-003
Sec motion ra
-008
Pri motion dec
-049
Sec motion dec
-031
Notes
N (See Notes)
rPM=0.381
Nature of this double is uncertain.
 
 
20184+5524 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32455 20184+5524 STF2671 AB 1823 2016 117 337 3.8 6.01 7.51 1.50 <===
Show 20184+5524 STF2671 AC 1911 2003 4 53 87.2 6.01 12.40 6.39
Show 20184+5524 WOR 52 AE 1960 2003 3 54 30.3 6.01 13.70 7.69
Show 20184+5524 STF2671 CD 1911 2015 4 138 5.2 12.40 13.30 0.90
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.2
Precise sep
3.795
Constellation
Cygnus
SAO
32455
HIP
100097
Tycho2
3941-01957-3
Gaia DR2
78327859840
HD
193592
HR
7781
BD
BD+54 2329
Distance
90.5
Distance ly
295.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20184+5524 STF2671 AB 2008 97 338 3.6 6.01 7.51 A2Vs N D 201824.76+552349.8
20184+5524 STF2671 AB 2010 106 337 3.6 6.01 7.51 A2Vs N D 201824.76+552349.8
20184+5524 STF2671 AB 2012 108 337 3.8 6.01 7.51 A2Vs N D 201824.76+552349.8
20184+5524 STF2671 AB 2014 111 338 3.7 6.01 7.51 A2Vs N D 201824.76+552349.8
20184+5524 STF2671 AB 2016 116 337 3.8 6.01 7.51 A2Vs N 201824.76+552349.8

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