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Doubles in session


Current system
21026+2141
BU 69 AB
HD 200392


Nearby doubles
14' : 21030+2155
BRT2488

35' : 21020+2215
TDT2707

45' : 21057+2129
TDT2741

51' : 21057+2207
BRT2490

52' : 21008+2057
A 176

52' : 21059+2118
A 178

54' : 20599+2229
J 3121

57' : 21046+2053
AG 269

61' : 21014+2043
JNN 289

62' : 21062+2106
TDT2748

65' : 21023+2037
HDS2998

74' : 21065+2232
AZC 110AB

75' : 20578+2214
J 1892AB

81' : 21082+2201
UC 4386

87' : 21082+2220
KPP4224

87' : 21063+2251
A 2798AB

88' : 20565+2118
A 2797

91' : 21091+2146
GIC9023

91' : 21091+2149
BRT2491

92' : 20582+2249
J 1894

93' : 20584+2253
DAM 224

94' : 21093+2140
UC 4391

96' : 20558+2131
COU 727

101' : 20581+2251
J 1893

102' : 21009+2319
POU5094

103' : 21068+2306
HU 364



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21026+2141 BU 69 AB (HD 200392)

 
 
21h 02m 36.08s +21° 41' 28.2" P.A. 6.00 sep 0.4 mag 8.35,9.80 Sp F0 dist. 73.64 pc (240.21 l.y.)
 
 
Coord 2000 21026+2141 Discov num BU   69 Comp AB Coord arcsec 2000 21 02 36.08 +21 41 28.2
Date first 1872 Date last 2017 Obs 62
Pa first 350 Pa last 5.9 P.A. Now (θ) 5.9°
Sep first 2.0 Sep last 0.38 Sep. Now (ρ) 0.38"
Mag pri 8.35 Mag sec 9.80 delta mag (ΔM) 1.45 Spectral class F0 (yellow-white)
Pri motion ra +040 Sec motion ra +040
Pri motion dec -033 Sec motion dec -033
Notes O (Orbital solution)
This double is physical.
 
 
21026+2141 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 200392 89397 21 02 36 +21 41 28 BU 69 AB 2017 62 6 0.4 8.35 9.80 1.45 Y <===
Show 89397 21 02 36 +21 41 28 BU 69 AC 2017 32 241 74.6 8.35 8.02 0.33
Show 89395 21 02 31 +21 40 51 HO 599 CD 2015 16 174 18.0 8.02 13.53 5.51
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 200392 Constellation Vulpecula SAO 89397 HIP 103852
Tycho2 1660-00673-1 Gaia DR2 1838333516943212032 HD 200392 ADS 14570
BD BD+21 4445 Distance 73.64 Distance ly 240.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)443y Periastron (T)2256y Semi-major axis (a)0.996a
Eccentricity (e)0.4 Inclination (i)76.9° Longitude of periastron (ω)88.7°
Node (Ω)127.9° Notes ReferenceZir2014a
Equinox2000 Last observation2007 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 349.0 0.457
2001 349.8 0.451
2002 350.6 0.445
2003 351.5 0.439
2004 352.4 0.434
2005 353.3 0.428
2006 354.2 0.422
2007 355.2 0.416
2008 356.1 0.411
2009 357.1 0.406
2010 358.2 0.400
2011 359.2 0.395
2012 0.3 0.390
2013 1.4 0.385
2014 2.6 0.380
2015 3.8 0.375
2016 5.0 0.371
2017 6.2 0.366
2018 7.5 0.362
2019 8.8 0.358
2020 10.1 0.354
2021 11.4 0.350
2022 12.8 0.346
2023 14.2 0.343
2024 15.7 0.339
2025 17.1 0.336
2026 18.6 0.333
2027 20.1 0.331
2028 21.7 0.328
2029 23.3 0.326
2030 24.8 0.324


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds21026%2B2141a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21026+2141 BU 69 AB (HD 200392) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Zir2014a orb - Zirm, H. 2014IAUDS.182....1Z
Zir2014a Inf. Circ. 182, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 HO Hough, G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21026+2141 BU 69 AB 2003 55 354 0.5 8.35 9.80 F0 D 210236.08+214128.2
21026+2141 BU 69 AB 2007 57 355 0.4 8.35 9.80 F0 D 210236.08+214128.2
21026+2141 BU 69 AB 2016 59 5 0.4 8.35 9.80 F0 O 210236.08+214128.2
21026+2141 BU 69 AB 2017 60 6 0.4 8.35 9.80 F0 O 210236.08+214128.2

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

 
 
WDS 21026+2141 BU 69 AB (HD 200392) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21026+2141 BU 69 AB (HD 200392) : MEASURES
 
 
No records found.

 
 
WDS 21026+2141 (HD 200392) : VIRTUAL EYEPIECE
 
 

21026+2141 BU 69A mag 8.35 Sp F0 21026+2141 BU 69B sep 0.4 P.A. 5.50 mag 9.8 21026+2141 HO 599C sep 74.8 P.A. 240.30 mag 8.02 Sp K0 21026+2141 HO 599D sep 83.9 P.A. 229.00 mag 13.53 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 21026+2141 (HD 200392) : ALADIN DSS IMAGE @ 21h 02m 36.08s +21° 41' 28.2"
 
 
 
 
WDS 21026+2141 BU 69 AB (HD 200392) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21026+2141 BU 69AB distance=0' 21026+2141 HO 599CD distance=2' 21030+2155 BRT2488 distance=14' 21020+2215 TDT2707 distance=35' 21057+2129 TDT2741 distance=45' 21057+2207 BRT2490 distance=51' 21008+2057 A 176 distance=52' 21059+2118 A 178 distance=52' 20599+2229 J 3121 distance=54' 21046+2053 AG 269 distance=57' 21014+2043 JNN 289 distance=61' 21062+2106 TDT2748 distance=62' 21023+2037 HDS2998 distance=65' 21065+2232 AZC 110AB distance=74' 20578+2214 J 1892AB distance=75' 20578+2214 HJ 1598AC distance=75' 21082+2201 UC 4386 distance=81' 21082+2220 KPP4224 distance=87' 21063+2251 A 2798AB distance=87' 20565+2118 A 2797 distance=88' 21091+2146 GIC9023 distance=91' 21091+2149 BRT2491 distance=91' 20582+2249 J 1894 distance=92' 20584+2253 DAM 224 distance=93' 21093+2140 UC 4391 distance=94' 20558+2131 COU 727 distance=96' 20581+2251 J 1893 distance=101' 21009+2319 POU5094 distance=102' 21068+2306 HU 364 distance=103' 21045+2321 POU5129 distance=103' 20598+2004 STF2739 distance=105' 21007+2325 POU5093 distance=108' 21031+2329 POU5112 distance=108' 21037+2330 POU5117 distance=111' 21095+2047 GRV 426 distance=111' 20579+2009 BRT2486 distance=113' 21085+2025 J 574 distance=113' 21067+2321 TDT2755 distance=116' 21016+2337 POU5099 distance=117' 20574+2010 HO 640 distance=118' 21093+2029 J 575 distance=118' 21019+2340 COU 128 distance=119' 21105+2227 SHY 793BC distance=120' 21105+2227 STF2769AB distance=120' 21105+2227 FYM 289AD distance=120' 21040+2340 POU5120 distance=121' 21102+2045 RAO 25 distance=121' 21044+2340 UC 4371 distance=122' 20558+2027 J 606 distance=122' 20542+2217 GRV 393 distance=122' 21041+2342 POU5123 distance=123' 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 21026+2141 BU 69 AB 6 0.4
Show 21026+2141 BU 69 AC 241 74.6
Show 21026+2141 HO 599 CD 174 18.0 2
Show 21030+2155 BRT2488 118 2.8 14
Show 21020+2215 TDT2707 293 0.4 35
Show 21057+2129 TDT2741 289 0.7 45
Show 21057+2207 BRT2490 252 3.1 51
Show 21008+2057 A 176 175 0.3 52
Show 21059+2118 A 178 64 1.0 52
Show 20599+2229 J 3121 46 10.1 54
Show 21046+2053 AG 269 172 8.4 57
Show 21014+2043 JNN 289 25 0.4 61
Show 21062+2106 TDT2748 44 1.3 62
Show 21023+2037 HDS2998 130 0.1 65
Show 21065+2232 AZC 110 AB 135 49.6 74
Show 20578+2214 J 1892 AB 41 10.5 75
Show 20578+2214 HJ 1598 AC 135 9.3 75
Show 21082+2201 UC 4386 123 33.5 81
Show 21082+2220 KPP4224 246 2.0 87
Show 21063+2251 A 2798 AB 148 2.1 87
Show 20565+2118 A 2797 237 0.1 88
Show 21091+2146 GIC9023 166 1.1 91
Show 21091+2149 BRT2491 306 3.3 91
Show 20582+2249 J 1894 104 4.8 92
Show 20584+2253 DAM 224 78 7.2 93
Show 21093+2140 UC 4391 144 54.8 94
Show 20558+2131 COU 727 353 1.1 96
Show 20581+2251 J 1893 22 6.7 101
Show 21009+2319 POU5094 217 20.7 102
Show 21068+2306 HU 364 92 0.1 103
Show 21045+2321 POU5129 103 13.1 103
Show 20598+2004 STF2739 252 3.3 105
Show 21007+2325 POU5093 137 17.7 108
Show 21031+2329 POU5112 68 9.3 108
Show 21037+2330 POU5117 159 14.6 111
Show 21095+2047 GRV 426 129 37.4 111
Show 20579+2009 BRT2486 165 2.9 113
Show 21085+2025 J 574 47 3.1 113
Show 21067+2321 TDT2755 214 0.9 116
Show 21016+2337 POU5099 233 15.4 117
Show 20574+2010 HO 640 257 12.5 118
Show 21093+2029 J 575 181 10.9 118
Show 21019+2340 COU 128 145 0.1 119
Show 21105+2227 SHY 793 BC 262 999.9 120
Show 21105+2227 STF2769 AB 301 18.1 120
Show 21105+2227 FYM 289 AD 78 16.2 120
Show 21040+2340 POU5120 221 7.5 121
Show 21102+2045 RAO 25 211 3.2 121
Show 21044+2340 UC 4371 152 51.4 122
Show 20558+2027 J 606 185 2.6 122
Show 20542+2217 GRV 393 353 41.5 122

 
 
WDS 21026+2141 : COMPONENTS
 
 
  A B C
B pa=5.5°
sep=0.38"
 
C pa=240.3°
sep=74.80"
pa=240.0°
sep=75.02"
 
D pa=229.0°
sep=83.89"
pa=228.8°
sep=84.16"
pa=174.7°
sep=18.04"
 
 
21026+2141 A
 
 
Name HD 200392 Coord arcsec 2000 210236.08+214128.2 Mag 8.35 Spectral class F0 (yellow-white)
PmRA 40.00 PmDE -33.0 SAO 89397 HIP 103852
Tycho2 1660-00673-1 HD 200392 ADS 14570 BD BD+21 4445
Tycho2
Tycho2 1660-00673-1 Pflag RAmdeg 315.65043776 DEmdeg 21.69113034
PmRA 40.4 PmDE -32.8 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.25 EpDEm 1990.83
Num 9 Q RAmdeg 0.6 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.3 BTmag 8.813 E BTmag 0.016 VTmag 8.159
E VTmag 0.011 Prox 752 TYC T HIP 103852
CCDM AB RAdeg 315.65033639 DEdeg 21.69120972 EpRA 1990 1.60
EpDE 1990 1.30 E RAdeg 5.2 E DEdeg 5.7 Posflg P
Corr 0.1
SAO
SAO 89397 DelFlag RA1950 PmRA1950 0.0024
DE1950 PmDE1950 -0.037 Vmag 7.7 SpType F0
Double code Source 35 CatNum 8060 DM BD+21 4445
DMcomp BDsup HD 200392 M HD 0
GC RA1950rad 5.49929572 DE1950rad 0.37512994 PmRA2000 0.0025
PmDE2000 -0.04
Hipparcos
Catalog H HIP 103852 Proxy H RAhms 21 02 36.08
DEdms +21 41 28.2 Vmag 8.06 VarFlag R Vmag G
RAdeg 315.65 DEdeg 21.6912 AstroRef A Plx 12.43
CCDM 21026+2141 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 342 Rho 0.508 HD 200392 BD BD+21 4445
CD CP Dm number +21 4445 VIred 0.66
SpType F0 R SpType Coord arcsec 2000 210236.08+214128.2
Hipparcos 2
HIP 103852 Sn 15 So 3 Nc 2
RArad 5.5091378555 DErad 0.3785823606 Plx 13.58 PmRA 38.22
PmDE -32.49 E RArad 0.72 E DErad 0.73 E Plx 1.31
E pmRA 0.86 E pmDE 0.79 Hpmag 8.1693 E Hpmag 0.0011
SHp 0.012 VA 0 BV 0.593 E BV 0.007
VI 0.66
CCDM
Ccdm 21026+2141 RComp Comp A Note1
Note2 Discov num DRAs 0.10 DDEs 28.5
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.3 Sp F0 PmNote *
PmRA 40 PmDE -18 Dm number +21 4445 Cat1 BD
Name2 +21 2312 Cat2 AGK2/3 HD 200392 M HD
ADS BDS A14570 M ADS BDS N IDS IDS 20581N2118A
HIC 103852
 
 
21026+2141 B
 
 
Coord arcsec 2000 210236.08+214128.6 Mag 9.8 PmRA 40.00 PmDE -33.0
Calc delta mag 1.45 Calc coord yes
CCDM
Ccdm 21026+2141 RComp Comp B Note1
Note2 Discov num BU 69 DRAs DDEs
R dRAs Year 1957 Theta 329 Rho 0.7
Obs 99 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14570 M ADS BDS N IDS IDS 20581N2118B
HIC 103852
 
 
21026+2141 C
 
 
Coord arcsec 2000 210231.42+214051.1 Coord calc 210231.42+214051.1 Mag 8.02 Spectral class K0 (yellow-orange)
PmRA 52.00 PmDE 1.0 SAO 89395 HIP 103843
Tycho2 1660-01715-1 HD 200372 ADS 14570 BD BD+21 4444
Calc delta mag 0.33
Tycho2
Tycho2 1660-01715-1 Pflag RAmdeg 315.63095676 DEmdeg 21.68086662
PmRA 52.5 PmDE 1.8 E RAmdeg 5 E DEmdeg 6
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.16 EpDEm 1990.60
Num 10 Q RAmdeg 0.4 Q DEmdeg 1.0 Q pmRA 0.4
Q pmDE 1.1 BTmag 9.256 E BTmag 0.017 VTmag 8.024
E VTmag 0.011 Prox 752 TYC T HIP 103843
CCDM RAdeg 315.63082472 DEdeg 21.68086250 EpRA 1990 1.58
EpDE 1990 1.28 E RAdeg 5.4 E DEdeg 5.9 Posflg
Corr 0.1
SAO
SAO 89395 DelFlag RA1950 PmRA1950 0.0032
DE1950 PmDE1950 0.008 Vmag 7.8 SpType K0
Double code Source 35 CatNum 8059 DM BD+21 4444
DMcomp BDsup HD 200372 M HD 0
GC RA1950rad 5.49895254 DE1950rad 0.37494628 PmRA2000 0.0032
PmDE2000 0.005
Hipparcos
Catalog H HIP 103843 Proxy RAhms 21 02 31.40
DEdms +21 40 51.1 Vmag 7.92 VarFlag R Vmag H
RAdeg 315.631 DEdeg 21.6809 AstroRef Plx 6.75
CCDM 21026+2141 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 200372 BD BD+21 4444
CD CP Dm number +21 4444 VIred 1.01
SpType K0 R SpType Coord arcsec 2000 210231.40+214051.1
Hipparcos 2
HIP 103843 Sn 5 So 0 Nc 1
RArad 5.5087970139 DErad 0.3784024493 Plx 7.37 PmRA 52.53
PmDE 0.51 E RArad 0.48 E DErad 0.47 E Plx 0.75
E pmRA 0.61 E pmDE 0.47 Hpmag 8.0898 E Hpmag 0.0012
SHp 0.011 VA 0 BV 1.076 E BV 0.031
VI 1.04
CCDM
Ccdm 21026+2141 RComp Comp C Note1
Note2 Discov num BU 69 DRAs -4.53 DDEs -8.8
R dRAs 10 Year 1915 Theta 240 Rho 77.3
Obs 5 Vmag 7.7 Sp K0 PmNote *
PmRA 62 PmDE 11 Dm number +21 4444 Cat1 BD
Name2 +21 2311 Cat2 AGK2/3 HD 200372 M HD
ADS BDS A14570 M ADS BDS N IDS IDS 20581N2118C
HIC 103843
 
 
21026+2141 D
 
 
Coord arcsec 2000 210231.54+214033.1 Mag 13.53 PmRA -2.00 PmDE -5.0
Calc delta mag 5.18 Calc coord yes
CCDM
Ccdm 21026+2141 RComp C Comp D Note1
Note2 Discov num HO 599 DRAs DDEs
R dRAs Year 1915 Theta 158 Rho 18.8
Obs 5 Vmag 13.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14570 M ADS BDS N IDS IDS 20581N2118D
HIC