19229-3806 RST2106 (18 Boo)

 
 
19h 22m 49.61s -38 05' 38.7" P.A. 103 sep 0.9 mag 12.00,12.50 dist. 26.1 pc (85.14 l.y.)
 
 
Coord 2000
19229-3806
Discov num
RST2106
Comp
Coord arcsec 2000
19 22 49.61 -38 05 38.7
Date first
1935
Date last
2015
Obs
3
Pa first
102
Pa last
103
P.A. Now (θ)
103°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
12.00
Mag sec
12.50
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+003
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
rPM=0.923
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
18 Boo
Spectr
F5IV
Constellation
Bootes
SAO
100975
HIP
69989
Tycho2
0915-01442-1
HD
125451
HR
5365
GC
19319
GL
NN 3841
BD
BD+13 2782
Flamsteed
18 Bootis
Flamsteed name
18 Boo
Distance
26.1
Distance ly
85.14
last precise pa
103
last precise sep
0.906
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19229-3806 RST2106 1947 2 104 0.9 12.00 12.50 192249.61-380538.7
19229-3806 RST2106 2015 3 103 0.9 12.00 12.50 192249.61-380538.7

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