18500-1826 J  1658

 
 
18h 50m 02.44s -18 26' 09.4" P.A. 36 sep 8.7 mag 8.44,11.20 Sp K0/1III
 
 
Coord 2000
18500-1826
Discov num
J  1658
Comp
Coord arcsec 2000
18 50 02.44 -18 26 09.4
Date first
1916
Date last
2011
Obs
7
Pa first
57
Pa last
36
P.A. Now (θ)
36°
Sep first
8.9
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
8.44
Mag sec
11.20
delta mag (ΔM)
2.76
Spectral class
K0/1III (yellow-orange)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
35.5
Precise sep
8.68
Cdsa2 id
J 1658
Constellation
Sagittarius
Ra deg
18.83401111111111
De deg
-18.435944444444445
last precise pa
35.5
last precise sep
8.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18500-1826 J 1658 1941 4 80 6.0 8.44 11.20 K0/1III 185002.44-182609.4
18500-1826 J 1658 2011 6 36 8.7 8.44 11.20 K0/1III 185002.44-182609.4

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