18433+3918 BLL  35

 
 
18h 43m 16.57s +39 18' 00.2" P.A. 191 sep 62.7 mag 6.64,10.35 Sp K5 dist. 383.14 pc (1249.8 l.y.)
 
 
Coord 2000
18433+3918
Discov num
BLL  35
Comp
Coord arcsec 2000
18 43 16.57 +39 18 00.2
Date first
1877
Date last
2012
Obs
16
Pa first
191
Pa last
191
P.A. Now (θ)
191°
Sep first
60.2
Sep last
62.7
Sep. Now (ρ)
62.7"
Mag pri
6.64
Mag sec
10.35
delta mag (ΔM)
3.71
Spectral class
K5 (yellow-orange)
Pri motion ra
+000
Sec motion ra
-007
Pri motion dec
-008
Sec motion dec
-009
Notes
N (See Notes)
rPM=0.62
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191
Precise sep
62.7
Constellation
Lyra
SAO
67287
HIP
91820
Tycho2
3118-02079-1
HD
173383
HR
7041
BD
BD+39 3505
Distance
383.14
Distance ly
1249.8
last precise pa
191
last precise sep
62.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18433+3918 BLL 35 2004 10 192 60.3 6.64 10.35 K5 N D 184316.57+391800.2
18433+3918 BLL 35 2010 11 192 60.4 6.64 10.35 K5 N D 184316.57+391800.2
18433+3918 BLL 35 2011 13 193 60.6 6.64 10.35 K5 N D 184316.57+391800.2
18433+3918 BLL 35 2012 14 193 61.5 6.64 10.35 K5 N D 184316.57+391800.2

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