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
Cdsa2 id
ES 1672 AB
Constellation
Cygnus
Ra deg
19.894025
De deg
41.35577777777778
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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