18239-2746 VVV   4

 
 
18h 23m 51.12s -27 46' 18.5" P.A. 166 sep 95.5 mag 10.50,14.50 Sp K1IV+M1.5 dist. 91.49 pc (298.44 l.y.)
 
 
Coord 2000
18239-2746
Discov num
VVV   4
Comp
Coord arcsec 2000
18 23 51.12 -27 46 18.5
Date first
1958
Date last
2015
Obs
9
Pa first
167
Pa last
166
P.A. Now (θ)
166°
Sep first
95.4
Sep last
95.5
Sep. Now (ρ)
95.5"
Mag pri
10.50
Mag sec
14.50
delta mag (ΔM)
4
Spectral class
K1IV+M1.5 (yellow-orange/red)
Pri motion ra
-127
Sec motion ra
-131
Pri motion dec
-212
Sec motion dec
-205
Notes
V (Proper motion indicates physical)
rPM=0.033 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
165.9
Precise sep
95.478
Constellation
Sagittarius
HIP
90154
Tycho2
6852-01436-1
Gaia DR2
4051476838257806464
HD
317479
Distance
91.49
Distance ly
298.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18239-2746 VVV 4 2010 7 166 95.3 10.50 14.50 K1IV+M1.5 V 182351.03-274620.7
18239-2746 VVV 4 2015 9 166 95.5 10.50 14.50 K1IV+M1.5 V 182351.12-274618.5

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