19500+4509 ES   23AC

 
 
19h 49m 59.38s +45 09' 05.4" P.A. 98 sep 13 mag 8.27,15.00 Sp K0 dist. 606.06 pc (1976.97 l.y.)
 
 
Coord 2000
19500+4509
Discov num
ES   23
Comp
AC
Coord arcsec 2000
19 49 59.38 +45 09 05.4
Date first
1915
Date last
2011
Obs
3
Pa first
103
Pa last
98
P.A. Now (θ)
98°
Sep first
10.7
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
8.27
Mag sec
15.00
delta mag (ΔM)
6.73
Spectral class
K0 (yellow-orange)
Pri motion ra
-008
Sec motion ra
+089
Pri motion dec
-008
Sec motion dec
+000
Notes
rPM=1.094
This double is not physical.
 
 
19500+4509 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 48880 19500+4509 ES 23 AB 1892 2007 11 136 8.5 8.27 12.60 4.33
Show 48880 19500+4509 ES 23 AC 1915 2011 3 98 13.0 8.27 15.00 6.73 <===
Show 48880 19500+4509 ES 23 AD 1892 2008 17 326 30.6 8.27 10.01 1.74
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
97.5
Precise sep
12.99
Constellation
Cygnus
SAO
48880
HIP
97578
Tycho2
3557-00108-1
HD
187810
BD
BD+44 3265
Distance
606.06
Distance ly
1976.97
last precise pa
97.5
last precise sep
12.99
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19500+4509 ES 23 AC 1915 1 103 10.7 8.27 15.00 K0 194959.38+450905.4
19500+4509 ES 23 AC 2011 2 98 13.0 8.27 15.00 K0 194959.38+450905.4

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