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Current system
21047+0332
SE 3 AD
HD 200660


Nearby doubles
29' : 21041+0359
TOK 371

34' : 21041+0300
WSI 6AB

40' : 21021+0329
CVR 236

42' : 21049+0250
BAL2044

42' : 21063+0257
BAL2046

44' : 21020+0346
HO 148

46' : 21032+0411
BAL2554

47' : 21069+0405
BAL2555

51' : 21017+0310
BAL2042

52' : 21033+0245
BAL2043

60' : 21056+0233
BAL2045

68' : 21009+0257
HJ 3006

72' : 21054+0221
KPP1782

72' : 21090+0410
HJ 5515AB

75' : 21009+0419
BAL2553

77' : 21002+0406
HEI 820

77' : 21020+0436
CVR 884

77' : 21036+0217
WIS 347

78' : 21061+0217
RST5476

78' : 21093+0410
BU 1330AB

81' : 21101+0341
BAL2558

82' : 21102+0331
UC 4396

86' : 21067+0212
SLN 88

87' : 21091+0429
J 848

92' : 21091+0227
BAL2048

92' : 21069+0458
UC 4382



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

21047+0332 SE 3 AD (HD 200660)

 
 
21h 04m 45.11s +03° 32' 02.0" P.A. 78.00 sep 114.3 mag 8.00,9.59 Sp G0 dist. 81.83 pc (266.93 l.y.)
 
 
Coord 2000 21047+0332 Discov num SE    3 Comp AD Coord arcsec 2000 21 04 45.11 +03 32 02.0
Date first 1920 Date last 2016 Obs 6
Pa first 139 Pa last 78.4 P.A. Now (θ) 78.4°
Sep first 115.6 Sep last 114.29 Sep. Now (ρ) 114.29"
Mag pri 8.00 Mag sec 9.59 delta mag (ΔM) 1.59 Spectral class G0 (yellow)
Pri motion ra +015 Sec motion ra -003
Pri motion dec +002 Sec motion dec -012
Notes N (See Notes)
rPM=1.507
This double is not physical.
 
 
21047+0332 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 126523 21 04 45 +03 32 02 SE 3 Aa,Ab 1899 3 153 0.6 8.06
Show 126523 21 04 45 +03 32 02 STF 2749 A,BC 2018 101 179 3.2 8.06 9.36 1.30
Show 126523 21 04 45 +03 32 02 STF 2749 AC 2020 13 176 3.5 8.06 9.36 1.30
Show HD 200660 126523 21 04 45 +03 32 02 SE 3 AD 2016 6 78 114.3 8.00 9.59 1.59 <===
Show 21 04 45 +03 31 58 SE 3 BC 2017 81 136 0.7 9.60 10.20 0.60 Y
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 200660 Constellation Equuleus SAO 126523 HIP 104047
Tycho2 0530-01815-1 Gaia DR2 1731257443928035200 HD 200660 BD BD+02 4298
Distance 81.83 Distance ly 266.93
 
 
WDS 21047+0332 SE 3 AD (HD 200660) : NOTES
 
 
discov_num notes refcode
SE 3 Aa,Ab: This is called AD in the Greenwich Observations. The measures L__1895a
are probably of BC.
 
 
REFERENCES
 
 
refcode metd author reference
L__1895a Ma - Lewis, T. 1895RGOO...........
L__1895a Greenwich Observations, 1895
 
 
DISCOVERER
 
 
idgroup discov author
1 SE Secchi, A.
30 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21047+0332 SE 3 AD 1920 1 139 115.6 8.06   G0 N 210445.11+033202.0
21047+0332 SE 3 AD 2010 2 78 115.2 8.06   G0 N 210445.11+033202.0
21047+0332 SE 3 AD 2016 6 78 114.3 8.00 9.59 G0 N 210445.11+033202.0

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

 
 
WDS 21047+0332 SE 3 AD (HD 200660) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21047+0332 SE 3 AD (HD 200660) : MEASURES
 
 
No records found.

 
 
WDS 21047+0332 (HD 200660) : VIRTUAL EYEPIECE
 
 

21047+0332 STF2749A mag 8.06 Sp G0 21047+0332 SE 3Ab sep 0.6 P.A. 152.90 21047+0332 SE 3B sep 4.7 P.A. 161.20 mag 9.6 Sp G0 21047+0332 STF2749C sep 3.5 P.A. 176.30 mag 9.36 21047+0332 SE 3D sep 114.1 P.A. 78.40 mag 9.59 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21047+0332 (HD 200660) : ALADIN DSS IMAGE @ 21h 04m 45.11s +03° 32' 02.0"
 
 
 
 
WDS 21047+0332 SE 3 AD (HD 200660) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21047+0332 SE 3AD distance=0' 21047+0332 SE 3BC distance=1' 21041+0359 TOK 371 distance=29' 21041+0300 WSI 6AB distance=34' 21041+0300 DSG 6Aa,Ab distance=34' 21021+0329 CVR 236 distance=40' 21049+0250 BAL2044 distance=42' 21063+0257 BAL2046 distance=42' 21020+0346 HO 148 distance=44' 21032+0411 BAL2554 distance=46' 21069+0405 BAL2555 distance=47' 21017+0310 BAL2042 distance=51' 21033+0245 BAL2043 distance=52' 21056+0233 BAL2045 distance=60' 21009+0257 HJ 3006 distance=68' 21054+0221 KPP1782 distance=72' 21090+0410 HJ 5515AB distance=72' 21090+0410 HJ 5515AC distance=72' 21009+0419 BAL2553 distance=75' 21002+0406 HEI 820 distance=77' 21020+0436 CVR 884 distance=77' 21036+0217 WIS 347 distance=77' 21061+0217 RST5476 distance=78' 21093+0410 BU 1330AB distance=78' 21101+0341 BAL2558 distance=81' 21102+0331 UC 4396 distance=82' 21067+0212 SLN 88 distance=86' 21091+0429 J 848 distance=87' 21091+0227 BAL2048 distance=92' 21069+0458 UC 4382 distance=92' 20595+0242 HJ 928 distance=94' 21109+0352 HO 151 distance=95' 20591+0418 STF2737AB distance=97' 20591+0418 STF2737AD distance=97' 20591+0418 STF2737AB,C distance=97' 20591+0418 STF2737BC distance=97' 21012+0210 GWP3029 distance=98' 21105+0241 SKF1594 distance=100' 20582+0356 BAR 13AB distance=101' 20582+0356 BAR 13AC distance=101' 20582+0356 WSI 39AD distance=101' 20582+0356 WSI 39CD distance=101' 20581+0352 BAL2550 distance=101' 21059+0152 YSC 71 distance=102' 21008+0207 UC 4360 distance=104' 21024+0513 A 615 distance=107' 21080+0509 STT 527 distance=109' 20580+0420 UC 4346 distance=112' 21094+0502 STT 429 distance=114' 21084+0151 BAL1580 distance=115' 21046+0530 BUP 223 distance=119' 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 21047+0332 SE 3 Aa,Ab 153 0.6
Show 21047+0332 STF2749 A,BC 179 3.2
Show 21047+0332 SE 3 AD 78 114.3
Show 21047+0332 STF2749 AC 176 3.5
Show 21047+0332 SE 3 BC 136 0.7 1
Show 21041+0359 TOK 371 272 0.1 29
Show 21041+0300 WSI 6 AB 53 0.1 34
Show 21041+0300 DSG 6 Aa,Ab 155 0.0 34
Show 21021+0329 CVR 236 279 69.7 40
Show 21049+0250 BAL2044 273 18.8 42
Show 21063+0257 BAL2046 57 2.4 42
Show 21020+0346 HO 148 201 2.2 44
Show 21032+0411 BAL2554 307 21.3 46
Show 21069+0405 BAL2555 164 17.1 47
Show 21017+0310 BAL2042 128 8.1 51
Show 21033+0245 BAL2043 205 18.4 52
Show 21056+0233 BAL2045 33 7.2 60
Show 21009+0257 HJ 3006 292 1.8 68
Show 21054+0221 KPP1782 210 13.8 72
Show 21090+0410 HJ 5515 AB 126 14.4 72
Show 21090+0410 HJ 5515 AC 68 47.8 72
Show 21009+0419 BAL2553 110 10.6 75
Show 21002+0406 HEI 820 65 2.3 77
Show 21020+0436 CVR 884 312 11.4 77
Show 21036+0217 WIS 347 99 664.9 77
Show 21061+0217 RST5476 149 3.3 78
Show 21093+0410 BU 1330 AB 54 3.7 78
Show 21101+0341 BAL2558 38 2.2 81
Show 21102+0331 UC 4396 215 59.1 82
Show 21067+0212 SLN 88 230 4.1 86
Show 21091+0429 J 848 141 2.8 87
Show 21091+0227 BAL2048 95 6.7 92
Show 21069+0458 UC 4382 272 53.5 92
Show 20595+0242 HJ 928 74 16.5 94
Show 21109+0352 HO 151 17 1.6 95
Show 20591+0418 STF2737 AB 125 0.0 97
Show 20591+0418 STF2737 AD 293 69.3 97
Show 20591+0418 STF2737 AB,C 67 10.6 97
Show 20591+0418 STF2737 BC 66 10.6 97
Show 21012+0210 GWP3029 55 70.3 98
Show 21105+0241 SKF1594 288 3.3 100
Show 20582+0356 BAR 13 AB 87 1.6 101
Show 20582+0356 BAR 13 AC 249 20.6 101
Show 20582+0356 WSI 39 AD 280 26.4 101
Show 20582+0356 WSI 39 CD 330 13.6 101
Show 20581+0352 BAL2550 157 3.4 101
Show 21059+0152 YSC 71 263 1.0 102
Show 21008+0207 UC 4360 71 44.6 104
Show 21024+0513 A 615 129 3.5 107
Show 21080+0509 STT 527 114 0.4 109
Show 20580+0420 UC 4346 205 22.4 112

 
 
WDS 21047+0332 : COMPONENTS
 
 
  A Ab B C
Ab pa=152.9°
sep=0.58"
 
B pa=161.2°
sep=4.65"
pa=162.4°
sep=4.07"
 
C pa=176.3°
sep=3.46"
pa=180.8°
sep=2.94"
pa=306.6°
sep=1.59"
 
D pa=78.4°
sep=114.08"
pa=78.1°
sep=113.93"
pa=76.1°
sep=113.59"
pa=76.7°
sep=114.61"
 
 
21047+0332 A
 
 
Coord arcsec 2000 210445.11+033202.0 Mag 8.06 Spectral class G0 (yellow) PmRA 15.00
PmDE 2.0 SAO 126523 HIP 104047 Tycho2 0530-01815-1
HD 200660 GC 29436 BD BD+02 4298
Tycho2
Tycho2 0530-01815-1 Pflag P RAmdeg 316.18801728 DEmdeg 3.53380273
PmRA 18.0 PmDE -3.3 E RAmdeg 5 E DEmdeg 7
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.54 EpDEm 1990.85
Num 5 Q RAmdeg 0.2 Q DEmdeg 1.4 Q pmRA 0.2
Q pmDE 1.5 BTmag 8.671 E BTmag 0.017 VTmag 8.056
E VTmag 0.012 Prox 33 TYC T HIP 104047
CCDM A RAdeg 316.18796500 DEdeg 3.53389361 EpRA 1990 1.69
EpDE 1990 1.16 E RAdeg 4.9 E DEdeg 6.7 Posflg D
Corr -0.1
SAO
SAO 126523 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.012 Vmag 8.1 SpType G0
Double code Source 70 CatNum 29436 DM BD+02 4298
DMcomp BDsup HD 200660 M HD 0
GC 29436 RA1950rad 5.50753403 DE1950rad 0.05819102 PmRA2000 0.0005
PmDE2000 -0.016
Hipparcos
Catalog H HIP 104047 Proxy H RAhms 21 04 45.11
DEdms +03 32 02.0 Vmag 7.63 VarFlag R Vmag H
RAdeg 316.188 DEdeg 3.53389 AstroRef A Plx 16.05
CCDM 21048+0332 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 173 Rho 3.355 HD 200660 BD BD+02 4298
CD CP Dm number +02 4298 VIred 0.72
SpType G0 R SpType Coord arcsec 2000 210445.11+033202.0
Hipparcos 2
HIP 104047 Sn 15 So 3 Nc 2
RArad 5.5185211003 DErad 0.0616781029 Plx 12.22 PmRA 10.48
PmDE -13.93 E RArad 1.83 E DErad 0.82 E Plx 1.84
E pmRA 2.3 E pmDE 0.84 Hpmag 7.7647 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0 E BV 0
VI 0
 
 
21047+0332 Ab
 
 
Coord arcsec 2000 210445.13+033201.5 Calc delta mag 8.06 Calc coord yes
 
 
21047+0332 B
 
 
Coord arcsec 2000 210445.21+033157.6 Mag 9.6 Spectral class G0 (yellow) PmRA 18.00
PmDE -3.0 Calc delta mag 1.54
 
 
21047+0332 C
 
 
Coord arcsec 2000 210445.12+033158.5 Mag 9.36 PmRA 16.00 PmDE -13.0
Tycho2 0530-01815-2 Calc delta mag 1.3 Calc coord yes
Tycho2
Tycho2 0530-01815-2 Pflag P RAmdeg 316.18801728 DEmdeg 3.53380273
PmRA 18.0 PmDE -3.3 E RAmdeg 5 E DEmdeg 7
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.54 EpDEm 1990.85
Num 5 Q RAmdeg 0.2 Q DEmdeg 1.4 Q pmRA 0.2
Q pmDE 1.5 BTmag 10.537 E BTmag 0.043 VTmag 9.363
E VTmag 0.023 Prox 33 TYC HIP 104047
CCDM B RAdeg 316.18808500 DEdeg 3.53297611 EpRA 1990 1.65
EpDE 1990 1.22 E RAdeg 14.5 E DEdeg 22.2 Posflg
Corr -0.1
 
 
21047+0332 D
 
 
Coord arcsec 2000 210452.57+033225.0 Mag 9.59 PmRA -3.00 PmDE -12.0
Tycho2 0530-02191-1 Calc delta mag 1.53 Calc coord yes
Tycho2
Tycho2 0530-02191-1 Pflag RAmdeg 316.21931002 DEmdeg 3.54020453
PmRA -1.0 PmDE -11.1 E RAmdeg 14 E DEmdeg 18
E pmRA 1.1 E pmDE 1.1 EpRAm 1988.64 EpDEm 1987.03
Num 9 Q RAmdeg 0.4 Q DEmdeg 0.7 Q pmRA 0.4
Q pmDE 0.7 BTmag 10.106 E BTmag 0.030 VTmag 9.588
E VTmag 0.026 Prox 999 TYC T HIP
CCDM RAdeg 316.21931250 DEdeg 3.54023139 EpRA 1990 1.58
EpDE 1990 1.36 E RAdeg 15.4 E DEdeg 18.8 Posflg
Corr -0.1