15118+6151 VLM   3BC

 
 
15h 11m 50.29s +61 51' 40.5" P.A. 37 sep 18.8 mag 8.81,13.40 dist. 75.53 pc (246.38 l.y.)
 
 
Coord 2000
15118+6151
Discov num
VLM   3
Comp
BC
Coord arcsec 2000
15 11 50.29 +61 51 40.5
Date first
1999
Date last
2015
Obs
6
Pa first
29
Pa last
37
P.A. Now (θ)
37°
Sep first
19.0
Sep last
18.8
Sep. Now (ρ)
18.8"
Mag pri
8.81
Mag sec
13.40
delta mag (ΔM)
4.59
Spectral class
Pri motion ra
-181
Sec motion ra
+011
Pri motion dec
+093
Sec motion dec
-007
Notes
N (See Notes)
rPM=1.064
This double is not physical.
 
 
15118+6151 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show BV Dra 16636 15118+6151 STF1927 AB 1832 2015 45 354 16.5 8.12 8.81 0.69
Show 16636 15118+6151 VLM 3 AC 1914 2014 8 18 32.7 8.12 13.40 5.28
Show 16635 15118+6151 VLM 3 BC 1999 2015 6 37 18.8 8.81 13.40 4.59 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
37.4
Precise sep
18.8
Var name
BW Dra
Spectr
B0
Constellation
Draco
SAO
16635
HIP
74368
Tycho2
4180-01943-1
Distance
75.53
Distance ly
246.38
last precise pa
37.4
last precise sep
18.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15118+6151 VLM 3 BC 2006 2 33 19.0 8.81 13.40 D 151150.29+615140.5
15118+6151 VLM 3 BC 2013 4 37 19.8 8.81 13.40 N 151150.29+615140.5
15118+6151 VLM 3 BC 2015 5 37 18.8 8.81 13.40 N 151150.29+615140.5

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