19354+2755 ES  489AB

 
 
19h 35m 26.25s +27 54' 37.8" P.A. 237 sep 17 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
2015
Obs
7
Pa first
241
Pa last
237
P.A. Now (θ)
237°
Sep first
15.8
Sep last
17.0
Sep. Now (ρ)
17"
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 87405 19354+2755 ES 489 AB 1892 2015 7 237 17.0 8.63 11.20 2.57 <===
Show 87405 19354+2755 ES 489 AC 1907 2015 7 203 22.0 8.63 11.60 2.97
Show 87405 19354+2755 ABH 121 AD 1988 2015 6 227 49.8 8.60 12.77 4.17
Show 87405 19354+2755 ABH 121 AE 1988 2012 5 175 61.8 8.60 13.30 4.70
Show 87405 19354+2755 ABH 121 AF 1988 2015 6 200 58.4 8.60 13.89 5.29
Show 87405 19354+2755 BKO 70 DG 1997 2015 5 167 7.4 12.77 15.00 2.23
Show 87405 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
236.7
Precise sep
17.026
Constellation
Cygnus
SAO
87405
Tycho2
2146-01070-1
Gaia DR2
2025434734941239552
HD
184878
 
 
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
19354+2755 ES 489 AB 2015 7 237 17.0 8.63 11.20 A0V U 193526.25+275437.8

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