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
Cdsa2 id
ES 2025 BD
Constellation
Lyra
Ra deg
18.85973888888889
De deg
37.651111111111106
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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