18237+3821 HO  431

 
 
18h 23m 44.07s +38 20' 42.3" P.A. 4.00 sep 19.8 mag 6.91,12.30 Sp A0III dist. 167.5 pc (546.38 l.y.)
 
 
Coord 2000
18237+3821
Discov num
HO  431
Comp
Coord arcsec 2000
18 23 44.07 +38 20 42.3
Date first
1892
Date last
2015
Obs
12
Pa first
359
Pa last
4
P.A. Now (θ)
Sep first
21.2
Sep last
19.8
Sep. Now (ρ)
19.8"
Mag pri
6.91
Mag sec
12.30
delta mag (ΔM)
5.39
Spectral class
A0III (white)
Pri motion ra
-010
Sec motion ra
Pri motion dec
+017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
3.6
Precise sep
19.78
Constellation
Lyra
SAO
66933
HIP
90140
Tycho2
3104-01010-1
Gaia DR2
2108224455757800832
HD
169617
BD
BD+38 3159
Distance
167.5
Distance ly
546.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18237+3821 HO 431 1998 4 5 20.0 6.80 12.30 A0III D 182344.07+382042.3
18237+3821 HO 431 2002 5 5 20.3 6.80 12.30 A0III D 182344.07+382042.3
18237+3821 HO 431 2010 6 5 19.2 6.91 12.30 A0III 182344.07+382042.3
18237+3821 HO 431 2015 7 4 19.8 6.91 12.30 A0III 182344.07+382042.3

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