19577+3509 SEI 747

 
 
19h 57m 42.44s +35 08' 42.5" P.A. 175 sep 19.4 mag 13.66,14.23
 
 
Coord 2000
19577+3509
Discov num
SEI 747
Comp
Coord arcsec 2000
19 57 42.44 +35 08 42.5
Date first
1894
Date last
2010
Obs
4
Pa first
169
Pa last
175
P.A. Now (θ)
175°
Sep first
18.8
Sep last
19.4
Sep. Now (ρ)
19.4"
Mag pri
13.66
Mag sec
14.23
delta mag (ΔM)
0.57
Spectral class
Pri motion ra
-001
Sec motion ra
-004
Pri motion dec
-003
Sec motion dec
-004
Notes
rPM=0.559
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174.5
Precise sep
19.4
Constellation
Cygnus
last precise pa
174.5
last precise sep
19.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19577+3509 SEI 747 1998 2 174 19.6 13.40 13.92 D 195742.44+350842.5
19577+3509 SEI 747 2002 3 174 19.6 13.40 13.92 D 195742.44+350842.5
19577+3509 SEI 747 2010 4 174 19.4 13.66 14.23 195742.44+350842.5

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