20012-2636 RST1055

 
 
20h 01m 10.95s -26 35' 58.0" P.A. 245.00 sep 1.9 mag 10.13,12.40 Sp K0
 
 
Coord 2000
20012-2636
Discov num
RST1055
Comp
Coord arcsec 2000
20 01 10.95 -26 35 58.0
Date first
1930
Date last
2015
Obs
4
Pa first
243
Pa last
245
P.A. Now (θ)
245°
Sep first
1.7
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.13
Mag sec
12.40
delta mag (ΔM)
2.27
Spectral class
K0 (yellow-orange)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
S (Parallax indidates non-physical)
Visually invisible, K-band or other infrared star This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244.9
Precise sep
1.947
Constellation
Sagittarius
SAO
188820
Tycho2
6900-01980-1
Gaia DR2
32237744256
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20012-2636 RST1055 1944 3 246 1.9 10.13 12.40 K0 200110.95-263558.0
20012-2636 RST1055 2015 4 245 1.9 10.13 12.40 K0 S 200110.95-263558.0

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