18260-4541 LDS 638

 
 
18h 25m 56.82s -45 40' 37.2" P.A. 259 sep 14.7 mag 14.60,15.20
 
 
Coord 2000
18260-4541
Discov num
LDS 638
Comp
Coord arcsec 2000
18 25 56.82 -45 40 37.2
Date first
1920
Date last
2010
Obs
4
Pa first
225
Pa last
259
P.A. Now (θ)
259°
Sep first
14.0
Sep last
14.7
Sep. Now (ρ)
14.7"
Mag pri
14.60
Mag sec
15.20
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-011
Sec motion ra
-016
Pri motion dec
-191
Sec motion dec
-185
Notes
N V R (See Notes, Proper motion indicates physical, Red magnitudes)
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.9
Precise sep
14.69
Constellation
Telescopium
last precise pa
258.9
last precise sep
14.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18260-4541 LDS 638 1999 2 223 12.8 15.40 16.10 D 182602.40-454017.3
18260-4541 LDS 638 2010 4 259 14.7 14.60 15.20 NV R 182556.82-454037.2

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