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Current system
21022-4300
DUN 236
HD 200011


Nearby doubles
17' : 21015-4246
NSN 455

36' : 21043-4233
DON 999

55' : 21028-4206
TDT2712

56' : 21050-4214
UC 4372

62' : 20583-4345
I 1048

65' : 21050-4357
UC 4373

65' : 21050-4203
CPO 619

73' : 21086-4245
SYU 12

79' : 20578-4402
DON 995

83' : 20561-4213
UC 4335

85' : 21099-4304
UC 4395

86' : 21011-4426
HJ 5238

90' : 21009-4132
WIS 346

91' : 21008-4429
TDT2693

92' : 21017-4431
TOK 800

92' : 20556-4204
BRT1116

100' : 21008-4123
B 513

100' : 20573-4136
UC 4343

106' : 21050-4441
KPP3080

108' : 21064-4123
SEE 437AB

111' : 21007-4111
I 1049

112' : 21114-4215
TSN 97

113' : 20552-4139
UC 4327

113' : 20555-4426
I 1430

114' : 20571-4439
LDS 729

117' : 20536-4153
BRT1115



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

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

If you need more information about this double, apply for a data request form to the WDS.

 
 
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
 
 

21022-4300 DUN 236A mag 6.68 Sp G3IV 21022-4300 DUN 236B sep 43.5 P.A. 67.40 mag 6.95 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21022-4300 (HD 200011) : ALADIN DSS IMAGE @ 21h 02m 12.73s -43° 00' 07.7"
 
 
 
 
WDS 21022-4300 DUN 236 (HD 200011) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21022-4300 DUN 236 distance=1' 21015-4246 NSN 455 distance=17' 21043-4233 DON 999 distance=36' 21028-4206 TDT2712 distance=55' 21050-4214 UC 4372 distance=56' 20583-4345 I 1048 distance=62' 21050-4357 UC 4373 distance=65' 21050-4203 CPO 619 distance=65' 21086-4245 SYU 12 distance=73' 20578-4402 DON 995 distance=79' 20561-4213 UC 4335 distance=83' 21099-4304 UC 4395 distance=85' 21011-4426 HJ 5238 distance=86' 21009-4132 WIS 346 distance=90' 21008-4429 TDT2693 distance=91' 21017-4431 TOK 800 distance=92' 20556-4204 BRT1116 distance=92' 21008-4123 B 513 distance=100' 20573-4136 UC 4343 distance=100' 21050-4441 KPP3080 distance=106' 21064-4123 SEE 437AB distance=108' 21064-4123 SEE 437AC distance=108' 21007-4111 I 1049 distance=111' 21114-4215 TSN 97 distance=112' 20552-4139 UC 4327 distance=113' 20555-4426 I 1430 distance=113' 20571-4439 LDS 729 distance=114' 20536-4153 BRT1115 distance=117' 21090-4126 UC 4390 distance=121' 20568-4452 HDS2984 distance=127' 21125-4148 I 1436 distance=136' 21146-4337 CPO 621 distance=140' 21081-4505 BVD 133 distance=140' 21104-4114 ARU 3 distance=140' 20552-4104 UC 4326 distance=140' 21038-4041 RSS 37 distance=140' 21004-4519 HU 1533 distance=141' 21121-4128 BVD 153 distance=144' 21090-4058 CRU9016AB distance=144' 21090-4058 CRU9016AC distance=144' 21136-4423 KPP 604 distance=149' 21091-4047 CPO 620AB distance=154' 21081-4520 I 1434 distance=154' 20487-4359 DON 993AB distance=159' 20487-4359 HJ 5222AC distance=159' 20485-4359 DON 992 distance=161' 21092-4529 TDT2787 distance=167' 20533-4519 SKF1169 distance=169' 20517-4054 HJ 5228 distance=173' 21064-4548 HU 1333 distance=174' 21065-4012 WG 265 distance=176' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 21022-4300 DUN 236 73 57.4 1
Show 21015-4246 NSN 455 189 2.5 17
Show 21043-4233 DON 999 263 4.6 36
Show 21028-4206 TDT2712 309 0.7 55
Show 21050-4214 UC 4372 12 13.9 56
Show 20583-4345 I 1048 137 1.6 62
Show 21050-4357 UC 4373 126 45.6 65
Show 21050-4203 CPO 619 252 5.6 65
Show 21086-4245 SYU 12 224 0.2 73
Show 20578-4402 DON 995 252 2.0 79
Show 20561-4213 UC 4335 196 30.8 83
Show 21099-4304 UC 4395 141 61.2 85
Show 21011-4426 HJ 5238 192 36.9 86
Show 21009-4132 WIS 346 6 999.9 90
Show 21008-4429 TDT2693 106 1.8 91
Show 21017-4431 TOK 800 210 0.5 92
Show 20556-4204 BRT1116 138 4.5 92
Show 21008-4123 B 513 29 3.8 100
Show 20573-4136 UC 4343 265 17.3 100
Show 21050-4441 KPP3080 169 8.6 106
Show 21064-4123 SEE 437 AB 54 43.8 108
Show 21064-4123 SEE 437 AC 88 127.8 108
Show 21007-4111 I 1049 346 1.3 111
Show 21114-4215 TSN 97 227 56.4 112
Show 20552-4139 UC 4327 96 77.2 113
Show 20555-4426 I 1430 29 1.4 113
Show 20571-4439 LDS 729 106 220.3 114
Show 20536-4153 BRT1115 339 3.5 117
Show 21090-4126 UC 4390 217 35.3 121
Show 20568-4452 HDS2984 239 0.8 127
Show 21125-4148 I 1436 276 0.5 136
Show 21146-4337 CPO 621 23 3.6 140
Show 21081-4505 BVD 133 246 21.1 140
Show 21104-4114 ARU 3 142 0.2 140
Show 20552-4104 UC 4326 242 36.5 140
Show 21038-4041 RSS 37 318 50.5 140
Show 21004-4519 HU 1533 51 4.3 141
Show 21121-4128 BVD 153 132 44.1 144
Show 21090-4058 CRU9016 AB 82 117.7 144
Show 21090-4058 CRU9016 AC 24 137.2 144
Show 21136-4423 KPP 604 86 5.6 149
Show 21091-4047 CPO 620 AB 347 20.1 154
Show 21081-4520 I 1434 335 0.8 154
Show 20487-4359 DON 993 AB 332 12.2 159
Show 20487-4359 HJ 5222 AC 271 28.6 159
Show 20485-4359 DON 992 291 5.2 161
Show 21092-4529 TDT2787 77 0.5 167
Show 20533-4519 SKF1169 224 95.9 169
Show 20517-4054 HJ 5228 104 32.5 173
Show 21064-4548 HU 1333 319 1.7 174
Show 21065-4012 WG 265 64 10.0 176

 
 
WDS 21022-4300 : COMPONENTS
 
 
  A
B pa=67.4°
sep=43.51"
 
 
21022-4300 A
 
 
Componente originario normalizzato AB Name HD 200011 Coord arcsec 2000 210212.73-430007.7 Mag 6.68
Spectral class G3IV (yellow) PmRA 73.00 PmDE -114.0 SAO 230492
HIP 103814 Tycho2 7973-01202-1 HD 200011 HR 8042
GC 29345 CD CD-4314325 CP CP-43 9359
Tycho2
Tycho2 7973-01202-1 Pflag RAmdeg 315.55302973 DEmdeg -43.00214509
PmRA 69.8 PmDE -110.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.39 EpDEm 1991.49
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 7.423 E BTmag 0.015 VTmag 6.684
E VTmag 0.010 Prox 575 TYC T HIP 103814
CCDM RAdeg 315.55281167 DEdeg -43.00189417 EpRA 1990 1.78
EpDE 1990 1.83 E RAdeg 4.0 E DEdeg 4.3 Posflg
Corr -0.2
SAO
SAO 230492 DelFlag RA1950 PmRA1950 0.0054
DE1950 PmDE1950 -0.1 Vmag 6.5 SpType G5
Double code Source 70 CatNum 29345 DM CD-4314325
DMcomp BDsup HD 200011 M HD 0
GC 29345 RA1950rad 5.49301997 DE1950rad -0.75394481 PmRA2000 0.0055
PmDE2000 -0.103
Hipparcos
Catalog H HIP 103814 Proxy RAhms 21 02 12.67
DEdms -43 00 06.8 Vmag 6.64 VarFlag R Vmag G
RAdeg 315.553 DEdeg -43.0019 AstroRef Plx 12.28
CCDM 21022-4300 N CCDM I Nsys 2 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 200011 BD
CD CD-4314325 CP CP-43 9359 Dm number -4314325 VIred 0.74
SpType G3IV+... R SpType Coord arcsec 2000 210212.67-430006.8
Hipparcos 2
HIP 103814 Sn 1 So 1 Nc 1
RArad 5.5074353197 DErad -0.7505243395 Plx 12.16 PmRA 72.92
PmDE -113.72 E RArad 0.81 E DErad 0.6 E Plx 1.04
E pmRA 0.86 E pmDE 0.46 Hpmag 6.781 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.663 E BV 0.001
VI 0.74
CCDM
Ccdm 21022-4300 RComp Comp A Note1
Note2 Discov num DRAs 0.73 DDEs -7.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.5 Sp G5 PmNote *
PmRA 71 PmDE -105 Dm number -4314325 Cat1 CD
Name2 230492 Cat2 SAO HD 200011 M HD
ADS BDS M ADS BDS N IDS IDS 20556S4323A
HIC 103814
 
 
21022-4300 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210216.39-425951.0 Mag 6.95 PmRA 71.00
PmDE -111.0 SAO 230494 HIP 103819 Tycho2 7973-01201-1
HD 200026 GC 29346 CD CD-4314327 CP CP-43 9361
Calc delta mag 0.27 Calc coord yes
Tycho2
Tycho2 7973-01201-1 Pflag RAmdeg 315.57388580 DEmdeg -42.99741725
PmRA 74.5 PmDE -112.1 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.0 EpRAm 1991.47 EpDEm 1991.26
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.2 BTmag 8.036 E BTmag 0.016 VTmag 6.952
E VTmag 0.010 Prox 575 TYC HIP 103819
CCDM RAdeg 315.57365306 DEdeg -42.99716250 EpRA 1990 1.77
EpDE 1990 1.82 E RAdeg 4.5 E DEdeg 4.7 Posflg
Corr -0.3
SAO
SAO 230494 DelFlag RA1950 PmRA1950 0.0067
DE1950 PmDE1950 -0.118 Vmag 6.9 SpType G5
Double code Source 70 CatNum 29346 DM CD-4314327
DMcomp BDsup HD 200026 M HD 0
GC 29346 RA1950rad 5.49339007 DE1950rad -0.75386704 PmRA2000 0.0068
PmDE2000 -0.121
Hipparcos
Catalog H HIP 103819 Proxy RAhms 21 02 17.67
DEdms -42 59 49.7 Vmag 6.9 VarFlag R Vmag G
RAdeg 315.574 DEdeg -42.9971 AstroRef Plx 11.81
CCDM 21022-4300 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 200026 BD
CD CD-4314327 CP CP-43 9361 Dm number -4314327 VIred 1
SpType K0IV R SpType Coord arcsec 2000 210217.67-425949.7
Hipparcos 2
HIP 103819 Sn 5 So 0 Nc 1
RArad 5.5077989048 DErad -0.750441686 Plx 12.17 PmRA 71.36
PmDE -111.25 E RArad 0.5 E DErad 0.38 E Plx 0.64
E pmRA 0.55 E pmDE 0.29 Hpmag 7.0609 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.959 E BV 0.007
VI 1
CCDM
Ccdm 21022-4300 RComp Comp B Note1
Note2 Discov num DUN 236 DRAs 5.75 DDEs 9.7
R dRAs 10 Year 1826 Theta 073 Rho 57.4
Obs 6 Vmag 6.9 Sp G5 PmNote *
PmRA 73 PmDE -106 Dm number -4314327 Cat1 CD
Name2 230494 Cat2 SAO HD 200026 M HD
ADS BDS M ADS BDS N IDS IDS 20556S4323B
HIC 103819