19354+2755 ES  489AB

 
 
19h 35m 26.25s +27 54' 37.8" P.A. 237 sep 17.1 mag 8.63,11.20 Sp A0V
 
 
Coord 2000
19354+2755
Discov num
ES  489
Comp
AB
Coord arcsec 2000
19 35 26.25 +27 54 37.8
Date first
1892
Date last
2012
Obs
7
Pa first
241
Pa last
237
P.A. Now (θ)
237°
Sep first
15.8
Sep last
17.1
Sep. Now (ρ)
17.1"
Mag pri
8.63
Mag sec
11.20
delta mag (ΔM)
2.57
Spectral class
A0V (white)
Pri motion ra
+003
Sec motion ra
-001
Pri motion dec
+010
Sec motion dec
-005
Notes
U (Proper motion indicates non-physical)
rPM=1.487
This double is not physical.
 
 
19354+2755 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19354+2755 ES 489 AB 1892 2012 7 237 17.1 8.63 11.20 2.57 <===
Show 19354+2755 ES 489 AC 1907 2012 6 203 22.1 8.63 11.60 2.97
Show 19354+2755 ABH 121 AD 1988 2012 5 227 49.7 8.60 12.77 4.17
Show 19354+2755 ABH 121 AE 1988 2012 5 175 61.8 8.60 13.30 4.70
Show 19354+2755 ABH 121 AF 1988 2012 5 200 58.0 8.60 13.89 5.29
Show 19354+2755 BKO 70 DG 1997 2012 4 167 5.9 12.77 15.00 2.23
Show 19354+2755 BKO 70 EH 1997 2012 4 275 4.7 13.30 14.00 0.70
Octuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
237
Precise sep
17.05
Cdsa2 id
ES 489 AB
Constellation
Cygnus
Ra deg
19.590625
De deg
27.9105
last precise pa
237
last precise sep
17.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19354+2755 ES 489 AB 2002 5 237 16.9 8.63 11.20 A0V D 193526.25+275437.8
19354+2755 ES 489 AB 2012 7 237 17.1 8.63 11.20 A0V UD 193526.25+275437.8

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