20040-2421 RSS 538

 
 
20h 04m 02.46s -24 21' 11.2" P.A. 107 sep 11.5 mag 9.48,13.90 Sp K1III dist. 505.05 pc (1647.47 l.y.)
 
 
Coord 2000
20040-2421
Discov num
RSS 538
Comp
Coord arcsec 2000
20 04 02.46 -24 21 11.2
Date first
1977
Date last
2015
Obs
4
Pa first
110
Pa last
107
P.A. Now (θ)
107°
Sep first
11.7
Sep last
11.5
Sep. Now (ρ)
11.5"
Mag pri
9.48
Mag sec
13.90
delta mag (ΔM)
4.42
Spectral class
K1III (yellow-orange)
Pri motion ra
+002
Sec motion ra
-006
Pri motion dec
-019
Sec motion dec
-006
Notes
rPM=0.799
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106.5
Precise sep
11.502
Constellation
Sagittarius
SAO
188868
HIP
98812
Tycho2
6892-01591-1
Gaia DR2
50248030080
HD
190079
CD
CD-2415785
CP
CP-24 6896
Distance
505.05
Distance ly
1647.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20040-2421 RSS 538 1998 2 108 11.6 9.16   K1III D 200402.46-242111.2
20040-2421 RSS 538 1999 3 108 11.8 9.48 13.90 K1III D 200402.46-242111.2
20040-2421 RSS 538 2015 4 107 11.5 9.48 13.90 K1III 200402.46-242111.2

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