19434+4021 JKA  74

 
 
19h 43m 21.77s +40 20' 45.2" P.A. 254 sep 12.2 mag 13.50,14.70
 
 
Coord 2000
19434+4021
Discov num
JKA  74
Comp
Coord arcsec 2000
19 43 21.77 +40 20 45.2
Date first
1998
Date last
2015
Obs
3
Pa first
254
Pa last
254
P.A. Now (θ)
254°
Sep first
12.3
Sep last
12.2
Sep. Now (ρ)
12.2"
Mag pri
13.50
Mag sec
14.70
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
+029
Sec motion ra
+023
Pri motion dec
+018
Sec motion dec
+017
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.178 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
254.1
Precise sep
12.22
Constellation
Cygnus
Gaia DR2
81191346560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19434+4021 JKA 74 2002 2 254 12.2 13.50 14.70 V R 194321.77+402045.2
19434+4021 JKA 74 2015 3 254 12.2 13.50 14.70 V R 194321.77+402045.2

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