19306+3555 SEI 611

 
 
19h 30m 35.79s +35 54' 59.6" P.A. 125 sep 19.8 mag 9.77,11.75 Sp A2
 
 
Coord 2000
19306+3555
Discov num
SEI 611
Comp
Coord arcsec 2000
19 30 35.79 +35 54 59.6
Date first
1895
Date last
2013
Obs
6
Pa first
127
Pa last
125
P.A. Now (θ)
125°
Sep first
20.2
Sep last
19.8
Sep. Now (ρ)
19.8"
Mag pri
9.77
Mag sec
11.75
delta mag (ΔM)
1.98
Spectral class
A2 (white)
Pri motion ra
-004
Sec motion ra
-006
Pri motion dec
-011
Sec motion dec
-005
Notes
rPM=0.54
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
125.3
Precise sep
19.78
Cdsa2 id
SEI 611
Constellation
Cygnus
Ra deg
19.509941666666666
De deg
35.916555555555554
last precise pa
125.3
last precise sep
19.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19306+3555 SEI 611 1997 3 125 19.6 9.77 11.80 A2 D 193035.79+355459.6
19306+3555 SEI 611 2002 4 125 19.6 9.77 11.80 A2 D 193035.79+355459.6
19306+3555 SEI 611 2013 5 125 19.8 9.77 11.75 A2 193035.79+355459.6

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