19083+5520 STF2479AB,C

 
 
19h 08m 20.20s +55 19' 50.0" P.A. 29 sep 6.5 mag 7.49,9.68 Sp A5IV dist. 119.62 pc (390.2 l.y.)
 
 
Coord 2000
19083+5520
Discov num
STF2479
Comp
AB,C
Coord arcsec 2000
19 08 20.20 +55 19 50.0
Date first
1828
Date last
2017
Obs
50
Pa first
44
Pa last
29
P.A. Now (θ)
29°
Sep first
10.0
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
7.49
Mag sec
9.68
delta mag (ΔM)
2.19
Spectral class
A5IV (white)
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
+018
Sec motion dec
+018
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19083+5520 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 31417 19083+5520 D 19 AB 1874 2011 40 342 0.5 7.67 9.51 1.84 Y
Show 31417 19083+5520 STF2479 AB,C 1828 2017 50 29 6.5 7.49 9.68 2.19 <===
Show 31417 19083+5520 GUI 22 AB,D 1911 2006 6 121 65.9 7.49 12.30 4.81
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.6
Precise sep
6.54
Constellation
Cygnus
SAO
31417
HIP
94000
Tycho2
3924-01546-1
Gaia DR2
2141186886644505600
HD
179142
BD
BD+55 2152
Distance
119.62
Distance ly
390.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19083+5520 STF2479 AB,C 2009 46 30 6.4 7.49 9.68 A5IV N D 190820.20+551950.0
19083+5520 STF2479 AB,C 2010 50 31 5.7 7.49 9.68 A5IV N 190820.20+551950.0
19083+5520 STF2479 AB,C 2017 50 29 6.5 7.49 9.68 A5IV N 190820.20+551950.0

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