18379+3506 TRA   1

 
 
18h 37m 53.41s +35 05' 44.8" P.A. 164 sep 9.4 mag 8.47,11.90 Sp K0 dist. 251.26 pc (819.61 l.y.)
 
 
Coord 2000
18379+3506
Discov num
TRA   1
Comp
Coord arcsec 2000
18 37 53.41 +35 05 44.8
Date first
1995
Date last
2012
Obs
6
Pa first
165
Pa last
164
P.A. Now (θ)
164°
Sep first
9.5
Sep last
9.4
Sep. Now (ρ)
9.4"
Mag pri
8.47
Mag sec
11.90
delta mag (ΔM)
3.43
Spectral class
K0 (yellow-orange)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
163.8
Precise sep
9.41
Constellation
Lyra
SAO
67185
HIP
91346
Tycho2
2645-00781-1
BD
BD+34 3267
Distance
251.26
Distance ly
819.61
last precise pa
163.8
last precise sep
9.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18379+3506 TRA 1 1998 3 164 9.5 8.47 11.90 D 183753.41+350544.8
18379+3506 TRA 1 2002 4 164 9.6 8.47 11.90 D 183753.41+350544.8
18379+3506 TRA 1 2011 5 163 9.4 8.47 11.90 D 183753.41+350544.8
18379+3506 TRA 1 2012 6 164 9.4 8.47 11.90 K0 183753.41+350544.8

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