18512+4325 ES 1426

 
 
18h 51m 11.97s +43 24' 42.4" P.A. 234 sep 9.4 mag 9.25,14.60 Sp F2
 
 
Coord 2000
18512+4325
Discov num
ES 1426
Comp
Coord arcsec 2000
18 51 11.97 +43 24 42.4
Date first
1915
Date last
2015
Obs
5
Pa first
252
Pa last
234
P.A. Now (θ)
234°
Sep first
6.6
Sep last
9.4
Sep. Now (ρ)
9.4"
Mag pri
9.25
Mag sec
14.60
delta mag (ΔM)
5.35
Spectral class
F2 (yellow-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
233.5
Precise sep
9.432
Constellation
Lyra
SAO
47857
Tycho2
3131-00595-1
Gaia DR2
26983706880
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18512+4325 ES 1426 1915 1 252 6.6 9.25 14.60 F2 185111.97+432442.4
18512+4325 ES 1426 2009 2 233 9.2 9.25 14.60 F2 185111.97+432442.4
18512+4325 ES 1426 2015 5 234 9.4 9.25 14.60 F2 185111.97+432442.4

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