21022-4300 DUN 236 (HD 200011)

 
 
21h 02m 12.73s -43° 00' 07.7" P.A. 73.00 sep 57.4 mag 6.68,6.95 Sp G3IV+ dist. 82.24 pc (268.27 l.y.)
 
 
Coord 2000 21022-4300 Discov num DUN 236 Comp Coord arcsec 2000 21 02 12.73 -43 00 07.7
Date first 1826 Date last 2018 Obs 32
Pa first 75 Pa last 73.1 P.A. Now (θ) 73.1°
Sep first 67.2 Sep last 57.422 Sep. Now (ρ) 57.422"
Mag pri 6.68 Mag sec 6.95 delta mag (ΔM) 0.27 Spectral class G3IV+ (yellow)
Pri motion ra +073 Sec motion ra +071
Pri motion dec -114 Sec motion dec -111
Notes N T (See Notes, Parallax indicates physical)
rPM=0.027 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 200011 Constellation Microscopium SAO 230492 HIP 103814
Tycho2 7973-01202-1 Gaia DR2 6484888042680733824 HD 200011 HR 8042
GC 29345 CD CD-4314325 CP CP-43 9359 Distance 82.24
Distance ly 268.27
 
 
WDS 21022-4300 DUN 236 (HD 200011) : NOTES
 
 
discov_num notes refcode
DUN 236 B is CD-43@14327.
A is ~1090d spectroscopic binary (G3IV+K0IV), B is a K0III. Tok2023b
SHY 788. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
 
 
REFERENCES
 
 
refcode metd author reference
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
Tok2023b St+ Tokovinin, A. 2023AJ....165..160T
Tok2023b orb AJ 165, 160, 2023
 
 
DISCOVERER
 
 
idgroup discov author
1 DUN Dunlop, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21022-4300 DUN 236 1999 26 73 57.5 6.68 6.95 G3IV+K0IV NZD 210212.73-430007.7
21022-4300 DUN 236 2013 28 72 57.5 6.68 6.95 G3IV K0IV NZ V 210212.73-430007.7
21022-4300 DUN 236 2016 30 73 57.5 6.68 6.95 G3IV+K0IV NZ V 210212.73-430007.7
21022-4300 DUN 236 2018 32 73 57.4 6.68 6.95 G3IV+K0IV NZ V 210212.73-430007.7

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WDS 21022-4300 DUN 236 (HD 200011) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21022-4300 DUN 236 (HD 200011) : MEASURES
 
 
No records found.

 
 
WDS 21022-4300 (HD 200011) : VIRTUAL EYEPIECE
 
 

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Radius:
Components only
 
 
WDS 21022-4300 (HD 200011) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.