18187-3534 LDS 636

 
 
18h 18m 41.78s -35 33' 51.8" P.A. 6 sep 20.8 mag 10.17,10.45 Sp K0
 
 
Coord 2000
18187-3534
Discov num
LDS 636
Comp
Coord arcsec 2000
18 18 41.78 -35 33 51.8
Date first
1912
Date last
2010
Obs
8
Pa first
7
Pa last
6
P.A. Now (θ)
Sep first
20.5
Sep last
20.8
Sep. Now (ρ)
20.8"
Mag pri
10.17
Mag sec
10.45
delta mag (ΔM)
0.28
Spectral class
K0 (yellow-orange)
Pri motion ra
-043
Sec motion ra
-036
Pri motion dec
-123
Sec motion dec
-125
Notes
rPM=0.056 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
6.1
Precise sep
20.78
Constellation
Sagittarius
Tycho2
7401-00059-1
HD
321660
last precise pa
6
last precise sep
20.838
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18187-3534 LDS 636 1998 6 6 20.8 10.17 10.45 K0 D 181841.78-353351.8
18187-3534 LDS 636 2010 8 6 20.8 10.17 10.45 K0 181841.78-353351.8

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