19538+4123 ES 1672AB

 
 
19h 53m 38.49s +41 21' 20.8" P.A. 48 sep 127.6 mag 6.95,10.86 Sp B2IV
 
 
Coord 2000
19538+4123
Discov num
ES 1672
Comp
AB
Coord arcsec 2000
19 53 38.49 +41 21 20.8
Date first
1892
Date last
2002
Obs
7
Pa first
49
Pa last
48
P.A. Now (θ)
48°
Sep first
127.0
Sep last
127.6
Sep. Now (ρ)
127.6"
Mag pri
6.95
Mag sec
10.86
delta mag (ΔM)
3.91
Spectral class
B2IV (blue-white)
Pri motion ra
-003
Sec motion ra
-004
Pri motion dec
-013
Sec motion dec
-008
Notes
rPM=0.382
Nature of this double is uncertain.
 
 
19538+4123 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19538+4123 ES 1672 AB 1892 2002 7 48 127.6 6.95 10.86 3.91 <===
Show 19538+4123 ES 1672 BC 1917 2005 3 111 2.4 10.86 12.50 1.64
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48
Precise sep
127.582
Constellation
Cygnus
last precise pa
48
last precise sep
127.582
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19538+4123 ES 1672 AB 1998 6 48 127.5 6.95 10.86 D 195338.49+412120.8
19538+4123 ES 1672 AB 2002 7 48 127.5 6.95 10.86 B2IV D 195338.49+412120.8

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