19404+2913 SLE 663

 
 
19h 40m 22.03s +29 13' 16.0" P.A. 42 sep 4.2 mag 12.84,13.30
 
 
Coord 2000
19404+2913
Discov num
SLE 663
Comp
Coord arcsec 2000
19 40 22.03 +29 13 16.0
Date first
1984
Date last
2002
Obs
3
Pa first
38
Pa last
42
P.A. Now (θ)
42°
Sep first
4.0
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
12.84
Mag sec
13.30
delta mag (ΔM)
0.46
Spectral class
Pri motion ra
-006
Sec motion ra
+014
Pri motion dec
-009
Sec motion dec
+000
Notes
rPM=1.567
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
41.5
Precise sep
4.244
Constellation
Cygnus
Tycho2
2150-03828-1
last precise pa
41.5
last precise sep
4.244
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19404+2913 SLE 663 1997 2 41 4.2 12.84 13.30 D 194022.03+291316.0
19404+2913 SLE 663 2002 3 42 4.2 12.84 13.30 D 194022.03+291316.0
19404+2913 SLE 663 2010 4 38 3.8 12.84 13.30 194022.03+291316.0

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