18011-1958 I   620

 
 
18h 01m 05.93s -19 58' 01.6" P.A. 64 sep 18.9 mag 8.37,11.70 Sp G2V dist. 80.13 pc (261.38 l.y.)
 
 
Coord 2000
18011-1958
Discov num
I   620
Comp
Coord arcsec 2000
18 01 05.93 -19 58 01.6
Date first
1911
Date last
2010
Obs
11
Pa first
80
Pa last
64
P.A. Now (θ)
64°
Sep first
7.5
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
8.37
Mag sec
11.70
delta mag (ΔM)
3.33
Spectral class
G2V (yellow)
Pri motion ra
-085
Sec motion ra
+038
Pri motion dec
-064
Sec motion dec
+022
Notes
rPM=1.411
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.9
Precise sep
18.94
Constellation
Sagittarius
SAO
160995
HIP
88235
Tycho2
6259-00334-1
HD
164263
BD
BD-19 4796
Distance
80.13
Distance ly
261.38
last precise pa
63.9
last precise sep
18.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18011-1958 I 620 2007 9 63 20.9 8.10 11.70 G2V 180105.93-195801.6
18011-1958 I 620 2010 11 64 18.9 8.37 11.70 G2V 180105.93-195801.6

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