18453+4005 ROE  50AD

 
 
18h 45m 19.87s +40 04' 58.4" P.A. 253 sep 96.3 mag 10.66,12.91
 
 
Coord 2000
18453+4005
Discov num
ROE  50
Comp
AD
Coord arcsec 2000
18 45 19.87 +40 04 58.4
Date first
1910
Date last
2013
Obs
6
Pa first
250
Pa last
253
P.A. Now (θ)
253°
Sep first
110.7
Sep last
96.3
Sep. Now (ρ)
96.3"
Mag pri
10.66
Mag sec
12.91
delta mag (ΔM)
2.25
Spectral class
Pri motion ra
-013
Sec motion ra
-003
Pri motion dec
-074
Sec motion dec
-006
Notes
rPM=0.915
This double is not physical.
 
 
18453+4005 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18453+4005 ROE 50 AB 1894 2002 8 282 4.7 10.80 11.70 0.90
Show 18453+4005 ROE 50 AC 1910 2013 6 120 26.5 10.66 12.53 1.87
Show 18453+4005 ROE 50 AD 1910 2013 6 253 96.3 10.66 12.91 2.25 <===
Show 18453+4005 ROE 50 AE 1910 2013 6 196 93.7 10.66 13.89 3.23
Show 18453+4005 ROE 50 AF 1910 2013 6 114 35.8 10.80 12.70 1.90
Show 18453+4005 BKO 53 AG 2000 2013 5 155 52.3 10.66 15.21 4.55
Show 18453+4005 BKO 53 AH 2000 2013 5 300 35.3 10.66 15.60 4.94
Show 18453+4005 ROE 50 CF 1910 2013 6 98 9.7 11.20 12.70 1.50
Octuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.9
Precise sep
96.29
Constellation
Lyra
Tycho2
3122-00298-1
last precise pa
252.9
last precise sep
96.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18453+4005 ROE 50 AD 2002 3 253 96.9 10.82 11.60 D 184519.87+400458.4
18453+4005 ROE 50 AD 2012 5 256 96.5 10.80 11.60 D 184519.87+400458.4
18453+4005 ROE 50 AD 2013 6 253 96.3 10.66 12.91 184519.87+400458.4

If you need more information about this double, apply for a data request form to the WDS.