18575-1903 HDS2687

 
 
18h 57m 32.64s -19 02' 46.9" P.A. 359 sep 1.8 mag 11.21,12.20 Sp K9V+(k) dist. 23.82 pc (77.7 l.y.)
 
 
Coord 2000
18575-1903
Discov num
HDS2687
Comp
Coord arcsec 2000
18 57 32.64 -19 02 46.9
Date first
1991
Date last
1991
Obs
2
Pa first
357
Pa last
359
P.A. Now (θ)
359°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
11.21
Mag sec
12.20
delta mag (ΔM)
0.99
Spectral class
K9V+(k) (yellow-orange)
Pri motion ra
+091
Sec motion ra
+098
Pri motion dec
+114
Sec motion dec
+115
Notes
rPM=0.047 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
359.3
Precise sep
1.75
Cdsa2 id
HDS 2687
Constellation
Sagittarius
HIP
93072
Tycho2
6290-00679-3
Ra deg
18.959066666666665
De deg
-19.046361111111114
Distance
23.82
Distance ly
77.7
last precise pa
359.3
last precise sep
1.75
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18575-1903 HDS2687 1991 2 359 1.8 11.21 12.20 185732.64-190246.9

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