18531-1838 HO  569

 
 
18h 53m 06.53s -18 38' 12.4" P.A. 38 sep 15.6 mag 6.92,11.80 Sp K2III dist. 187.97 pc (613.16 l.y.)
 
 
Coord 2000
18531-1838
Discov num
HO  569
Comp
Coord arcsec 2000
18 53 06.53 -18 38 12.4
Date first
1893
Date last
1999
Obs
6
Pa first
45
Pa last
38
P.A. Now (θ)
38°
Sep first
12.0
Sep last
15.6
Sep. Now (ρ)
15.6"
Mag pri
6.92
Mag sec
11.80
delta mag (ΔM)
4.88
Spectral class
K2III (yellow-orange)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
38.1
Precise sep
15.628
Constellation
Sagittarius
SAO
161935
HIP
92682
Tycho2
6285-01889-1
HD
174802
BD
BD-18 5115
Distance
187.97
Distance ly
613.16
last precise pa
38.1
last precise sep
15.628
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18531-1838 HO 569 1998 5 37 15.8 6.90 11.80 K2III D 185306.53-183812.4
18531-1838 HO 569 1999 6 38 15.6 6.90 11.80 K2III D 185306.53-183812.4

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