18440+4328 HJ 1342

 
 
18h 43m 58.68s +43 28' 27.7" P.A. 186 sep 18.5 mag 9.47,12.59 Sp F8
 
 
Coord 2000
18440+4328
Discov num
HJ 1342
Comp
Coord arcsec 2000
18 43 58.68 +43 28 27.7
Date first
1828
Date last
2010
Obs
7
Pa first
183
Pa last
186
P.A. Now (θ)
186°
Sep first
10.0
Sep last
18.5
Sep. Now (ρ)
18.5"
Mag pri
9.47
Mag sec
12.59
delta mag (ΔM)
3.12
Spectral class
F8 (yellow-white)
Pri motion ra
+026
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.6
Precise sep
18.51
Constellation
Lyra
Tycho2
3130-01901-1
last precise pa
185.6
last precise sep
18.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18440+4328 HJ 1342 2006 4 186 18.5 9.47 12.50 F8 D 184358.68+432827.7
18440+4328 HJ 1342 2010 7 186 18.5 9.47 12.59 F8 184358.68+432827.7

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