19537+3442 SEI 716

 
 
19h 53m 39.39s +34 41' 42.5" P.A. 110 sep 23.5 mag 11.63,12.57
 
 
Coord 2000
19537+3442
Discov num
SEI 716
Comp
Coord arcsec 2000
19 53 39.39 +34 41 42.5
Date first
1894
Date last
2012
Obs
9
Pa first
115
Pa last
110
P.A. Now (θ)
110°
Sep first
23.0
Sep last
23.5
Sep. Now (ρ)
23.5"
Mag pri
11.63
Mag sec
12.57
delta mag (ΔM)
0.94
Spectral class
Pri motion ra
-012
Sec motion ra
-004
Pri motion dec
-017
Sec motion dec
-007
Notes
rPM=0.615
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
110.3
Precise sep
23.52
Constellation
Cygnus
last precise pa
110.3
last precise sep
23.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19537+3442 SEI 716 1998 5 111 23.1 10.50 11.00 D 195339.39+344142.5
19537+3442 SEI 716 2002 6 111 23.1 10.50 11.00 D 195339.39+344142.5
19537+3442 SEI 716 2012 7 110 23.5 10.50 11.00 D 195339.39+344142.5

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