19421+3336 J  3217

 
 
19h 42m 14.07s +33 34' 40.9" P.A. 156 sep 4.9 mag 12.00,12.70
 
 
Coord 2000
19421+3336
Discov num
J  3217
Comp
Coord arcsec 2000
19 42 14.07 +33 34 40.9
Date first
1893
Date last
2002
Obs
6
Pa first
166
Pa last
156
P.A. Now (θ)
156°
Sep first
4.0
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
12.00
Mag sec
12.70
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-004
Sec motion ra
+005
Pri motion dec
-003
Sec motion dec
-025
Notes
rPM=0.932
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.9
Precise sep
4.867
Constellation
Cygnus
Tycho2
2660-00078-1
last precise pa
155.9
last precise sep
4.867
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19421+3336 J 3217 1977 4 155 4.8 11.27 12.70 194209.89+333512.5
19421+3336 J 3217 2000 5 156 4.9 11.27 12.70 194214.07+333440.9
19421+3336 J 3217 2002 7 156 4.9 11.27 12.70 D 194214.07+333440.9

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