19517+3108 ES  357AB

 
 
19h 51m 41.33s +31 08' 16.1" P.A. 309 sep 10.1 mag 7.12,12.40 Sp F0IV
 
 
Coord 2000
19517+3108
Discov num
ES  357
Comp
AB
Coord arcsec 2000
19 51 41.33 +31 08 16.1
Date first
1900
Date last
2011
Obs
7
Pa first
310
Pa last
309
P.A. Now (θ)
309°
Sep first
9.4
Sep last
10.1
Sep. Now (ρ)
10.1"
Mag pri
7.12
Mag sec
12.40
delta mag (ΔM)
5.28
Spectral class
F0IV (yellow-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19517+3108 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19517+3108 ES 357 AB 1900 2011 7 309 10.1 7.12 12.40 5.28 <===
Show 19517+3108 STT 389 AC 1849 2010 25 182 12.6 7.12 9.53 2.41
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308.6
Precise sep
10.1
Cdsa2 id
ES 357 AB
Constellation
Cygnus
Ra deg
19.861480555555556
De deg
31.137805555555556
last precise pa
308.6
last precise sep
10.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19517+3108 ES 357 AB 1998 6 309 10.1 7.12 12.40 F0IV N D 195141.33+310816.1
19517+3108 ES 357 AB 2011 7 309 10.1 7.12 12.40 F0IV N 195141.33+310816.1

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