19444+3859 ALI 899AC

 
 
19h 44m 23.30s +38 59' 14.6" P.A. 78 sep 10.5 mag 11.10,12.60
 
 
Coord 2000
19444+3859
Discov num
ALI 899
Comp
AC
Coord arcsec 2000
19 44 23.30 +38 59 14.6
Date first
1928
Date last
2015
Obs
5
Pa first
58
Pa last
78
P.A. Now (θ)
78°
Sep first
15.1
Sep last
10.5
Sep. Now (ρ)
10.5"
Mag pri
11.10
Mag sec
12.60
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
+019
Sec motion ra
+007
Pri motion dec
+058
Sec motion dec
-003
Notes
N (See Notes)
rPM=1.019
This double is not physical.
 
 
19444+3859 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19444+3859 ALI 899 AB 1928 2015 5 183 3.4 11.10 12.00 0.90
Show 19444+3859 ALI 899 AC 1928 2015 5 78 10.5 11.10 12.60 1.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77.8
Precise sep
10.504
Constellation
Cygnus
Tycho2
3136-00195-1
Gaia DR2
23765188224
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19444+3859 ALI 899 AC 1928 1 58 15.1 11.99 13.70 194423.28+385914.8
19444+3859 ALI 899 AC 2011 3 73 11.0 11.10 12.60 194423.30+385914.6
19444+3859 ALI 899 AC 2015 5 78 10.5 11.10 12.60 N 194423.30+385914.6

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