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Doubles in session


Current system
21094+0502
STT 429
HD 201435


Nearby doubles
22' : 21080+0509
STT 527

33' : 21091+0429
J 848

37' : 21069+0458
UC 4382

43' : 21080+0539
HJ 3011AB

49' : 21096+0550
TDT2793

50' : 21090+0410
HJ 5515AB

52' : 21093+0410
BU 1330AB

56' : 21126+0437
HJ 3013

68' : 21069+0405
BAL2555

71' : 21140+0457
GWP3048

74' : 21109+0352
HO 151

77' : 21139+0427
BAL2977

77' : 21093+0618
TDT2789

77' : 21046+0530
BUP 223

79' : 21138+0545
KPP3367

80' : 21131+0558
GWP3043AB

80' : 21145+0441
BU 682AB

81' : 21054+0557
BUP 224

82' : 21101+0341
BAL2558

86' : 21149+0440
BAL2979

91' : 21080+0630
SKF2741

92' : 21102+0331
UC 4396

98' : 21158+0515
WRH 35
Kitalpha

101' : 21041+0359
TOK 371

102' : 21090+0643
STT 428

103' : 21129+0333
UC 4407



Selections
Full WDS
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.

21094+0502 STT 429 (HD 201435)

 
 
21h 09m 21.14s +05° 01' 42.0" P.A. -1.00 sep -1.0 mag 7.91, dist. 270.27 pc (881.62 l.y.)
 
 
Coord 2000 21094+0502 Discov num STT 429 Comp Coord arcsec 2000 21 09 21.14 +05 01 42.0
Date first -1 Date last -1 Obs 0
Pa first -1 Pa last -1 P.A. Now (θ) -1
Sep first -1.0 Sep last -1 Sep. Now (ρ) -1
Mag pri 7.91 Mag sec delta mag (ΔM) Spectral class
Pri motion ra -012 Sec motion ra
Pri motion dec -030 Sec motion dec
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 201435 Spectr K5 Constellation Equuleus SAO 126581
HIP 104438 Tycho2 0535-01431-1 Gaia DR2 1733016044056982528 HD 201435
BD BD+04 4620 Distance 270.27 Distance ly 881.62
 
 
WDS 21094+0502 STT 429 (HD 201435) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429   0   7.91   X 210921.14+050142.0
21094+0502 STT 429 -1 0 -1 -1.0 7.91   X 210921.14+050142.0
21094+0502 STT 429 1899 0   7.91   X 210921.14+050142.0

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

 
 
WDS 21094+0502 STT 429 (HD 201435) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21094+0502 STT 429 (HD 201435) : MEASURES
 
 
No records found.

 
 
WDS 21094+0502 (HD 201435) : VIRTUAL EYEPIECE
 
 

21094+0502 STT 429A mag 7.91 Sp K5 21094+0502 STT 429B 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 21094+0502 (HD 201435) : ALADIN DSS IMAGE @ 21h 09m 21.14s +05° 01' 42.0"
 
 
 
 
WDS 21094+0502 STT 429 (HD 201435) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21094+0502 STT 429 distance=0' 21080+0509 STT 527 distance=22' 21091+0429 J 848 distance=33' 21069+0458 UC 4382 distance=37' 21080+0539 HJ 3011AB distance=43' 21080+0539 BU 9018AC distance=43' 21080+0539 BU 9018CD distance=44' 21096+0550 TDT2793 distance=49' 21090+0410 HJ 5515AB distance=50' 21090+0410 HJ 5515AC distance=50' 21093+0410 BU 1330AB distance=52' 21126+0437 HJ 3013 distance=56' 21069+0405 BAL2555 distance=68' 21140+0457 GWP3048 distance=71' 21109+0352 HO 151 distance=74' 21139+0427 BAL2977 distance=77' 21093+0618 TDT2789 distance=77' 21046+0530 BUP 223 distance=77' 21138+0545 KPP3367 distance=79' 21131+0558 GWP3043AB distance=80' 21131+0558 GWP3044AC distance=80' 21145+0441 BU 682AB distance=80' 21145+0441 BU 682AC distance=80' 21054+0557 BUP 224 distance=81' 21101+0341 BAL2558 distance=82' 21149+0440 BAL2979 distance=86' 21080+0630 SKF2741 distance=91' 21102+0331 UC 4396 distance=92' 21158+0515 WRH 35 (Kitalpha) distance=98' 21041+0359 TOK 371 distance=101' 21090+0643 STT 428 distance=102' 21129+0333 UC 4407 distance=103' 21156+0419 TDT2865 distance=104' 21032+0411 BAL2554 distance=105' 21024+0513 A 615 distance=105' 21147+0354 UC 4420 distance=106' 21047+0332 SE 3Aa,Ab distance=114' 21047+0332 STF2749A,BC distance=114' 21047+0332 SE 3AD distance=114' 21047+0332 STF2749AC distance=114' 21047+0332 SE 3BC distance=114' 21020+0436 CVR 884 distance=114' 21164+0421 GRV 442 distance=114' 21126+0644 KPP 6 distance=114' 21172+0438 HU 274 distance=121' 21124+0656 BRT2190 distance=123' 21014+0542 ELP 47 distance=126' 21063+0257 BAL2046 distance=133' 21024+0625 TDT2708 distance=134' 21020+0346 HO 148 distance=134' 21119+0710 BRT2189 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 21094+0502 STT 429 -1 -1.0
Show 21080+0509 STT 527 114 0.4 22
Show 21091+0429 J 848 141 2.8 33
Show 21069+0458 UC 4382 272 53.5 37
Show 21080+0539 HJ 3011 AB 273 10.6 43
Show 21080+0539 BU 9018 AC 252 139.3 43
Show 21080+0539 BU 9018 CD 340 6.0 44
Show 21096+0550 TDT2793 354 0.5 49
Show 21090+0410 HJ 5515 AB 126 14.4 50
Show 21090+0410 HJ 5515 AC 68 47.8 50
Show 21093+0410 BU 1330 AB 54 3.7 52
Show 21126+0437 HJ 3013 119 11.3 56
Show 21069+0405 BAL2555 164 17.1 68
Show 21140+0457 GWP3048 278 115.4 71
Show 21109+0352 HO 151 17 1.6 74
Show 21139+0427 BAL2977 305 17.1 77
Show 21093+0618 TDT2789 20 2.0 77
Show 21046+0530 BUP 223 252 82.5 77
Show 21138+0545 KPP3367 245 1.8 79
Show 21131+0558 GWP3043 AB 300 81.7 80
Show 21131+0558 GWP3044 AC 139 96.7 80
Show 21145+0441 BU 682 AB 102 5.7 80
Show 21145+0441 BU 682 AC 179 93.0 80
Show 21054+0557 BUP 224 301 30.4 81
Show 21101+0341 BAL2558 38 2.2 82
Show 21149+0440 BAL2979 182 11.5 86
Show 21080+0630 SKF2741 40 1.9 91
Show 21102+0331 UC 4396 215 59.1 92
Show Kitalpha 21158+0515 WRH 35 104 0.0 98
Show 21041+0359 TOK 371 272 0.1 101
Show 21090+0643 STT 428 256 24.0 102
Show 21129+0333 UC 4407 306 58.2 103
Show 21156+0419 TDT2865 112 2.1 104
Show 21032+0411 BAL2554 307 21.3 105
Show 21024+0513 A 615 129 3.5 105
Show 21147+0354 UC 4420 80 51.3 106
Show 21047+0332 SE 3 Aa,Ab 153 0.6 114
Show 21047+0332 STF2749 A,BC 179 3.2 114
Show 21047+0332 SE 3 AD 78 114.3 114
Show 21047+0332 STF2749 AC 176 3.5 114
Show 21047+0332 SE 3 BC 136 0.7 114
Show 21020+0436 CVR 884 312 11.4 114
Show 21164+0421 GRV 442 181 52.9 114
Show 21126+0644 KPP 6 61 6.7 114
Show 21172+0438 HU 274 147 4.1 121
Show 21124+0656 BRT2190 15 3.7 123
Show 21014+0542 ELP 47 25 6.3 126
Show 21063+0257 BAL2046 57 2.4 133
Show 21024+0625 TDT2708 27 0.8 134
Show 21020+0346 HO 148 201 2.2 134
Show 21119+0710 BRT2189 273 6.5 134

 
 
WDS 21094+0502 : COMPONENTS
 
 
  A
B pa=0.0°
sep=0.00"
 
 
21094+0502 A
 
 
Componente originario normalizzato AB Name HD 201435 Coord arcsec 2000 210921.14+050142.0 Mag 7.91
Spectral class K5 (yellow-orange) PmRA -12.00 PmDE -30.0 SAO 126581
HIP 104438 Tycho2 0535-01431-1 HD 201435 BD BD+04 4620
Tycho2
Tycho2 0535-01431-1 Pflag RAmdeg 317.33810891 DEmdeg 5.02833465
PmRA -13.3 PmDE -33.0 E RAmdeg 8 E DEmdeg 9
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.06 EpDEm 1990.74
Num 10 Q RAmdeg 0.6 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.6 BTmag 9.798 E BTmag 0.029 VTmag 8.065
E VTmag 0.013 Prox 999 TYC T HIP 104438
CCDM RAdeg 317.33813944 DEdeg 5.02841028 EpRA 1990 1.80
EpDE 1990 1.70 E RAdeg 8.1 E DEdeg 9.0 Posflg
Corr -0.3
SAO
SAO 126581 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.022 Vmag 7.7 SpType K5
Double code Source 30 CatNum 7410 DM BD+04 4620
DMcomp BDsup HD 201435 M HD 0
GC RA1950rad 5.52770082 DE1950rad 0.08421338 PmRA2000 0
PmDE2000 -0.026
Hipparcos
Catalog H HIP 104438 Proxy RAhms 21 09 21.15
DEdms +05 01 42.3 Vmag 7.89 VarFlag R Vmag H
RAdeg 317.338 DEdeg 5.02841 AstroRef Plx 2.48
CCDM 21094+0502 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 201435 BD BD+04 4620
CD CP Dm number +04 4620 VIred 1.48
SpType K5 R SpType Coord arcsec 2000 210921.15+050142.3
Hipparcos 2
HIP 104438 Sn 5 So 0 Nc 1
RArad 5.5385954289 DErad 0.087762351 Plx 3.7 PmRA -10.85
PmDE -28.82 E RArad 0.65 E DErad 0.66 E Plx 0.82
E pmRA 0.86 E pmDE 0.75 Hpmag 8.0298 E Hpmag 0.0019
SHp 0.012 VA 0 BV 1.439 E BV 0.027
VI 1.43
CCDM
Ccdm 21094+0502 RComp Comp A Note1
Note2 Discov num DRAs -2.88 DDEs -18.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp K5 PmNote *
PmRA -17 PmDE -33 Dm number +04 4620 Cat1 BD
Name2 +04 2868 Cat2 AGK2/3 HD 201435 M HD
ADS BDS B10772 M ADS BDS N IDS IDS 21044N0438A
HIC 104438
 
 
21094+0502 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210921.14+050142.0 Calc delta mag 7.91 Calc coord yes
CCDM
Ccdm 21094+0502 RComp Comp B Note1
Note2 Discov num STT 429 DRAs DDEs
R dRAs Year Theta Rho
Obs Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B10772 M ADS BDS N N IDS IDS 21044N0438B
HIC 104438