18516+3739 ES 2025BD

 
 
18h 51m 35.06s +37 39' 04.0" P.A. 11 sep 5.4 mag 11.46,12.20
 
 
Coord 2000
18516+3739
Discov num
ES 2025
Comp
BD
Coord arcsec 2000
18 51 35.06 +37 39 04.0
Date first
1923
Date last
2011
Obs
6
Pa first
12
Pa last
11
P.A. Now (θ)
11°
Sep first
5.6
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
11.46
Mag sec
12.20
delta mag (ΔM)
0.74
Spectral class
Pri motion ra
-005
Sec motion ra
-002
Pri motion dec
-074
Sec motion dec
+021
Notes
rPM=1.282
This double is not physical.
 
 
18516+3739 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18516+3739 ES 2025 AB 1923 2012 13 352 24.7 10.98 11.46 0.48
Show 18516+3739 ES 2025 AD 2000 2012 6 355 29.9 10.98 12.10 1.12
Show 18516+3739 FYM 39 AE 2000 2012 3 299 62.0 10.98 13.40 2.42
Show 18516+3739 FYM 39 AF 2000 2012 3 205 88.4 10.98 11.50 0.52
Show 18516+3739 FYM 39 AG 2000 2012 3 116 55.3 10.98 12.80 1.82
Show 18516+3739 ES 2025 BC 1923 2007 4 80 5.4 11.46 14.20 2.74
Show 18516+3739 ES 2025 BD 1923 2011 6 11 5.4 11.46 12.20 0.74 <===
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
10.5
Precise sep
5.36
Constellation
Lyra
last precise pa
10.5
last precise sep
5.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18516+3739 ES 2025 BD 2000 2 10 5.5 11.46 12.00 D 185135.06+373904.0
18516+3739 ES 2025 BD 2008 3 10 5.5 11.46 12.00 D 185135.06+373904.0
18516+3739 ES 2025 BD 2010 4 11 5.3 11.46 12.00 D 185135.06+373904.0
18516+3739 ES 2025 BD 2011 5 11 5.4 11.46 12.10 D 185135.06+373904.0

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