19539+4425 GIC 159AB

 
 
19h 53m 54.48s +44 24' 53.3" P.A. 70 sep 5.9 mag 14.26,14.96 Sp M5.5V+M6V
 
 
Coord 2000
19539+4425
Discov num
GIC 159
Comp
AB
Coord arcsec 2000
19 53 54.48 +44 24 53.3
Date first
1954
Date last
2016
Obs
17
Pa first
106
Pa last
70
P.A. Now (θ)
70°
Sep first
7.9
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
14.26
Mag sec
14.96
delta mag (ΔM)
0.7
Spectral class
M5.5V+M6V (red/red)
Pri motion ra
+361
Sec motion ra
+443
Pri motion dec
-483
Sec motion dec
-581
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=0.175 (< 0.3, Physical double)
This double is physical.
 
 
19539+4425 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19539+4425 MCY 3 Aa,Ab 1986 2008 17 278 0.8 13.50 16.80 3.30 Y
Show 19539+4425 GIC 159 AB 1954 2016 17 70 5.9 14.26 14.96 0.70 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
69.8
Precise sep
5.905
Constellation
Cygnus
last precise pa
69.8
last precise sep
5.905
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19539+4425 GIC 159 AB 2000 12 80 7.0 14.26 14.96 M6Ve N D 195354.48+442453.3
19539+4425 GIC 159 AB 2003 13 80 7.2 14.26 14.96 M6Ve N D 195354.48+442453.3
19539+4425 GIC 159 AB 2012 15 70 6.5 14.26 14.96 M5.5V+M6V N 195354.48+442453.3
19539+4425 GIC 159 AB 2016 17 70 5.9 14.26 14.96 M5.5V+M6V NZ 195354.48+442453.3

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