18310+3857 SLE 187AB

 
 
18h 31m 00.96s +38 56' 56.4" P.A. 210 sep 23.6 mag 10.45,11.60
 
 
Coord 2000
18310+3857
Discov num
SLE 187
Comp
AB
Coord arcsec 2000
18 31 00.96 +38 56 56.4
Date first
1933
Date last
2015
Obs
10
Pa first
214
Pa last
210
P.A. Now (θ)
210°
Sep first
21.9
Sep last
23.6
Sep. Now (ρ)
23.6"
Mag pri
10.45
Mag sec
11.60
delta mag (ΔM)
1.15
Spectral class
Pri motion ra
-009
Sec motion ra
-005
Pri motion dec
+011
Sec motion dec
-016
Notes
rPM=1.628
This double is not physical.
 
 
18310+3857 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18310+3857 TDT 922 Aa,Ab 1991 1991 1 15 0.5 11.04 11.23 0.19
Show 18310+3857 SLE 187 AB 1933 2015 10 210 23.6 10.45 11.60 1.15 <===
Show 18310+3857 FYM 40 AC 1991 2012 4 85 71.0 10.45 10.64 0.19
Show 18310+3857 FYM 40 AD 1998 2015 4 294 13.5 10.45 14.50 4.05
Show 18310+3857 FYM 40 AE 1998 2015 4 210 34.9 10.45 14.50 4.05
Show 18310+3857 FYM 40 BE 1998 2015 8 210 11.3 11.60 14.50 2.90
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
210.2
Precise sep
23.585
Constellation
Lyra
Tycho2
3105-00926-1
Gaia DR2
92168293504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18310+3857 SLE 187 AB 2006 7 208 24.2 10.45 11.60 D 183100.96+385656.3
18310+3857 SLE 187 AB 2012 9 208 24.3 10.45 11.60 D 183100.96+385656.3
18310+3857 SLE 187 AB 2015 10 210 23.6 10.45 11.60 183100.96+385656.4

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