19444+3859 ALI 899AB

 
 
19h 44m 23.30s +38 59' 14.6" P.A. 183 sep 3.4 mag 11.10,12.00
 
 
Coord 2000
19444+3859
Discov num
ALI 899
Comp
AB
Coord arcsec 2000
19 44 23.30 +38 59 14.6
Date first
1928
Date last
2002
Obs
4
Pa first
189
Pa last
183
P.A. Now (θ)
183°
Sep first
3.2
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
11.10
Mag sec
12.00
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+019
Sec motion ra
+017
Pri motion dec
+058
Sec motion dec
-018
Notes
N (See Notes)
rPM=1.246
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 2002 4 183 3.4 11.10 12.00 0.90 <===
Show 19444+3859 ALI 899 AC 1928 2011 4 73 11.0 11.10 12.60 1.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
182.5
Precise sep
3.428
Constellation
Cygnus
Tycho2
3136-00195-1
last precise pa
182.5
last precise sep
3.428
 
 
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 AB 1929 3 190 3.3 11.99 13.40 194423.28+385914.8
19444+3859 ALI 899 AB 2002 4 183 3.4 11.10 12.00 194423.30+385914.6

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