19400+5545 A  1403

 
 
19h 40m 02.70s +55 45' 14.6" P.A. 176 sep 0.2 mag 9.72,10.09 Sp A0 dist. 578.03 pc (1885.53 l.y.)
 
 
Coord 2000
19400+5545
Discov num
A  1403
Comp
Coord arcsec 2000
19 40 02.70 +55 45 14.6
Date first
1906
Date last
2008
Obs
12
Pa first
187
Pa last
176
P.A. Now (θ)
176°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.72
Mag sec
10.09
delta mag (ΔM)
0.37
Spectral class
A0 (white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.5
Precise sep
0.174
Constellation
Cygnus
SAO
31877
HIP
96747
Tycho2
3938-00195-1
HD
186197
BD
BD+55 2239
Distance
578.03
Distance ly
1885.53
last precise pa
175.5
last precise sep
0.174
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19400+5545 A 1403 1991 10 171 0.2 9.72 10.09 A0 194002.70+554514.6
19400+5545 A 1403 2008 12 176 0.2 9.72 10.09 A0 194002.70+554514.6

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