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Doubles in session


Current system
21045+0746
BU 269
HD 200643


Nearby doubles
5' : 21046+0750
HJ 3008

15' : 21051+0757
HDS3004AB

27' : 21059+0803
OSO 140

36' : 21068+0737
GRV 419

44' : 21053+0704
ENG 80AB

44' : 21018+0757
CVR 883

50' : 21022+0711
STF2742

56' : 21021+0703
WSP 90AB

57' : 21061+0837
A 1217

60' : 21030+0650
GRV 406

66' : 21089+0741
GRV 424

68' : 21010+0704
HEI 821

69' : 21001+0731
KUI 102

71' : 21092+0728
KPP 485

87' : 21024+0625
TDT2708

91' : 21090+0643
STT 428

92' : 20586+0723
J 1715

92' : 21080+0630
SKF2741

93' : 20584+0757
ARY 68

93' : 20596+0842
SKF2096

95' : 20593+0838
HDS2991

96' : 21008+0904
UC 4359

99' : 20580+0804
ARY 67

104' : 20583+0831
ARY 87

107' : 20583+0654
KPP 481

107' : 20582+0835
TDT2664



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21045+0746 BU 269 (HD 200643)

 
 
21h 04m 32.53s +07° 45' 36.5" P.A. 239.00 sep 1.2 mag 8.34,10.07 Sp F2 dist. 317.46 pc (1035.55 l.y.)
 
 
Coord 2000 21045+0746 Discov num BU  269 Comp Coord arcsec 2000 21 04 32.53 +07 45 36.5
Date first 1876 Date last 2016 Obs 32
Pa first 253 Pa last 238.5 P.A. Now (θ) 238.5°
Sep first 1.1 Sep last 1.17 Sep. Now (ρ) 1.17"
Mag pri 8.34 Mag sec 10.07 delta mag (ΔM) 1.73 Spectral class F2 (yellow-white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -023 Sec motion dec -023
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 200643 Constellation Equuleus SAO 126517 HIP 104028
Tycho2 1104-02271-1 Gaia DR2 1737206862691437952 HD 200643 BD BD+07 4617
Distance 317.46 Distance ly 1035.55
 
 
WDS 21045+0746 BU 269 (HD 200643) : NOTES
 
 
discov_num notes refcode
BU 269 H 1 62. MEv2010
BU 835. H I 62 probably same star with an error of 10@ in declination.
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21045+0746 BU 269 1991 29 240 1.1 8.34 10.07 F2 N D 210432.53+074536.5
21045+0746 BU 269 2011 30 238 1.2 8.34 10.07 F2 N 210432.53+074536.5
21045+0746 BU 269 2016 32 239 1.2 8.34 10.07 F2 N 210432.53+074536.5

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

 
 
WDS 21045+0746 BU 269 (HD 200643) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21045+0746 BU 269 (HD 200643) : MEASURES
 
 
No records found.

 
 
WDS 21045+0746 (HD 200643) : VIRTUAL EYEPIECE
 
 

21045+0746 BU 269A mag 8.34 Sp F2 21045+0746 BU 269B sep 1.2 P.A. 238.30 mag 10.07 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21045+0746 (HD 200643) : ALADIN DSS IMAGE @ 21h 04m 32.53s +07° 45' 36.5"
 
 
 
 
WDS 21045+0746 BU 269 (HD 200643) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21045+0746 BU 269 distance=0' 21046+0750 HJ 3008 distance=5' 21051+0757 HDS3004AB distance=15' 21051+0757 MET 90AC distance=15' 21051+0757 MET 90AD distance=15' 21059+0803 OSO 140 distance=27' 21068+0737 GRV 419 distance=36' 21053+0704 ENG 80AB distance=44' 21053+0704 ENG 80AC distance=44' 21018+0757 CVR 883 distance=44' 21022+0711 STF2742 distance=50' 21021+0703 WSP 90AB distance=56' 21021+0703 WSP 90AC distance=56' 21021+0703 WSP 90AD distance=56' 21061+0837 A 1217 distance=57' 21030+0650 GRV 406 distance=60' 21089+0741 GRV 424 distance=66' 21010+0704 HEI 821 distance=68' 21001+0731 KUI 102 distance=69' 21092+0728 KPP 485 distance=71' 21024+0625 TDT2708 distance=87' 21090+0643 STT 428 distance=91' 20586+0723 J 1715 distance=92' 21080+0630 SKF2741 distance=92' 20584+0757 ARY 68 distance=93' 20596+0842 SKF2096 distance=93' 20593+0838 HDS2991 distance=95' 21008+0904 UC 4359 distance=96' 20580+0804 ARY 67 distance=99' 20583+0831 ARY 87 distance=104' 20583+0654 KPP 481 distance=107' 20582+0835 TDT2664 distance=107' 21054+0557 BUP 224 distance=109' 21117+0715 UC 4399 distance=111' 21093+0618 TDT2789 distance=113' 21119+0710 BRT2189 distance=116' 20572+0823 UC 4341 distance=116' 21124+0745 J 576 distance=118' 21101+0919 GWP3039 distance=124' 20562+0728 LDS4861 distance=125' 21128+0729 UC 4405 distance=125' 21006+0554 GRV 403 distance=125' 21041+0951 GWP3034 distance=126' 21086+0938 J 159 distance=128' 21124+0656 BRT2190 distance=128' 20569+0842 RAO 443 distance=128' 20566+0659 TDT2649 distance=128' 20568+0844 CRB 13 distance=129' 21014+0542 ELP 47 distance=132' 20560+0708 GWP3020 distance=134' 21133+0714 UC 4410 distance=134' 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 21045+0746 BU 269 239 1.2
Show 21046+0750 HJ 3008 80 27.0 5
Show 21051+0757 HDS3004 AB 252 0.3 15
Show 21051+0757 MET 90 AC 354 4.3 15
Show 21051+0757 MET 90 AD 166 9.8 15
Show 21059+0803 OSO 140 273 18.7 27
Show 21068+0737 GRV 419 302 38.8 36
Show 21053+0704 ENG 80 AB 240 64.6 44
Show 21053+0704 ENG 80 AC 106 169.4 44
Show 21018+0757 CVR 883 128 28.3 44
Show 21022+0711 STF2742 213 3.0 50
Show 21021+0703 WSP 90 AB 185 1.0 56
Show 21021+0703 WSP 90 AC 1 9.5 56
Show 21021+0703 WSP 90 AD 83 16.5 56
Show 21061+0837 A 1217 193 2.0 57
Show 21030+0650 GRV 406 287 10.5 60
Show 21089+0741 GRV 424 327 12.1 66
Show 21010+0704 HEI 821 90 2.9 68
Show 21001+0731 KUI 102 191 0.2 69
Show 21092+0728 KPP 485 7 5.0 71
Show 21024+0625 TDT2708 27 0.8 87
Show 21090+0643 STT 428 256 24.0 91
Show 20586+0723 J 1715 125 5.2 92
Show 21080+0630 SKF2741 40 1.9 92
Show 20584+0757 ARY 68 339 112.4 93
Show 20596+0842 SKF2096 109 9.2 93
Show 20593+0838 HDS2991 167 0.1 95
Show 21008+0904 UC 4359 85 33.3 96
Show 20580+0804 ARY 67 1 152.9 99
Show 20583+0831 ARY 87 215 62.2 104
Show 20583+0654 KPP 481 233 3.8 107
Show 20582+0835 TDT2664 274 0.4 107
Show 21054+0557 BUP 224 301 30.4 109
Show 21117+0715 UC 4399 32 82.7 111
Show 21093+0618 TDT2789 20 2.0 113
Show 21119+0710 BRT2189 273 6.5 116
Show 20572+0823 UC 4341 344 63.1 116
Show 21124+0745 J 576 236 2.3 118
Show 21101+0919 GWP3039 61 73.1 124
Show 20562+0728 LDS4861 90 2.0 125
Show 21128+0729 UC 4405 272 36.1 125
Show 21006+0554 GRV 403 116 33.5 125
Show 21041+0951 GWP3034 91 63.0 126
Show 21086+0938 J 159 246 4.0 128
Show 21124+0656 BRT2190 15 3.7 128
Show 20569+0842 RAO 443 297 0.2 128
Show 20566+0659 TDT2649 8 0.6 128
Show 20568+0844 CRB 13 177 131.6 129
Show 21014+0542 ELP 47 25 6.3 132
Show 20560+0708 GWP3020 179 6.7 134
Show 21133+0714 UC 4410 319 95.7 134

 
 
WDS 21045+0746 : COMPONENTS
 
 
  A
B pa=238.3°
sep=1.16"
 
 
21045+0746 A
 
 
Componente originario normalizzato AB Name HD 200643 Coord arcsec 2000 210432.53+074536.5 Mag 8.34
Spectral class F2 (yellow-white) PmRA 1.00 PmDE -23.0 SAO 126517
HIP 104028 Tycho2 1104-02271-1 HD 200643 BD BD+07 4617
Tycho2
Tycho2 1104-02271-1 Pflag P RAmdeg 316.13552264 DEmdeg 7.76013958
PmRA 0.7 PmDE -22.9 E RAmdeg 8 E DEmdeg 9
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.32 EpDEm 1991.22
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 8.708 E BTmag 0.019 VTmag 8.342
E VTmag 0.015 Prox 11 TYC T HIP 104028
CCDM A RAdeg 316.13554306 DEdeg 7.76020583 EpRA 1990 1.64
EpDE 1990 1.64 E RAdeg 7.5 E DEdeg 8.7 Posflg D
Corr -0.1
SAO
SAO 126517 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.017 Vmag 8.6 SpType F2
Double code Source 32 CatNum 10556 DM BD+07 4617
DMcomp BDsup HD 200643 M HD 0
GC RA1950rad 5.50687815 DE1950rad 0.13195977 PmRA2000 -0.0009
PmDE2000 -0.021
Hipparcos
Catalog H HIP 104028 Proxy H RAhms 21 04 32.53
DEdms +07 45 36.7 Vmag 8.09 VarFlag R Vmag H
RAdeg 316.136 DEdeg 7.76021 AstroRef A Plx 3.97
CCDM 21045+0746 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 242 Rho 1.15 HD 200643 BD BD+07 4617
CD CP Dm number +07 4617 VIred 0.51
SpType F2 R SpType Coord arcsec 2000 210432.53+074536.7
Hipparcos 2
HIP 104028 Sn 15 So 3 Nc 2
RArad 5.5176061192 DErad 0.1354411512 Plx 3.15 PmRA 0.14
PmDE -19.56 E RArad 1.1 E DErad 0.88 E Plx 1.42
E pmRA 1.62 E pmDE 0.99 Hpmag 8.1843 E Hpmag 0.0016
SHp 0.012 VA 0 BV 0.5 E BV 0.495
VI 0.51
CCDM
Ccdm 21045+0746 RComp Comp A Note1
Note2 Discov num DRAs 2.51 DDEs -23.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp F2 PmNote *
PmRA -4 PmDE -24 Dm number +07 4617 Cat1 BD
Name2 +07 3065 Cat2 AGK2/3 HD 200643 M HD
ADS BDS A14600 M ADS BDS N IDS IDS 20596N0722A
HIC 104028
 
 
21045+0746 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210432.46+074535.9 Mag 10.07 PmRA 1.00
PmDE -23.0 Tycho2 1104-02271-2 Calc delta mag 1.73 Calc coord yes
Tycho2
Tycho2 1104-02271-2 Pflag P RAmdeg 316.13552264 DEmdeg 7.76013958
PmRA 0.7 PmDE -22.9 E RAmdeg 8 E DEmdeg 9
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.32 EpDEm 1991.22
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 10.681 E BTmag 0.053 VTmag 10.066
E VTmag 0.045 Prox 11 TYC HIP 104028
CCDM B RAdeg 316.13527222 DEdeg 7.76005083 EpRA 1990 1.65
EpDE 1990 1.64 E RAdeg 29.0 E DEdeg 34.0 Posflg D
Corr -0.2
CCDM
Ccdm 21045+0746 RComp Comp B Note1
Note2 Discov num BU 269 DRAs DDEs
R dRAs Year 1950 Theta 230 Rho 1.0
Obs 19 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14600 M ADS BDS N N IDS IDS 20596N0722B
HIC 104028