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Doubles in session


Current system
04268+5539
STF 531
HD 27856


Nearby doubles
27' : 04257+5603
STI2048

31' : 04303+5530
KR 23AB

42' : 04282+5459
LDS5561

42' : 04238+5613
IPH 9

46' : 04254+5623
A 834AB

49' : 04211+5532
STTA 46AB

53' : 04313+5503
ES 882

62' : 04254+5438
TDS2846

66' : 04345+5542
STI2056

68' : 04210+5452
LDS5538

68' : 04190+5556
TDS2820

75' : 04228+5432
CVR 51

76' : 04244+5652
STI2047

77' : 04325+5638
STI2053

80' : 04299+5424
LDS5565

83' : 04290+5659
MLB 118

89' : 04372+5551
FYM 358

90' : 04363+5502
RAO 35

90' : 04373+5550
STI2058AB

93' : 04219+5701
CRB 170

94' : 04179+5637
STI2043

99' : 04162+5457
LDS5523

102' : 04169+5639
STI2042

103' : 04310+5403
FYM 592

104' : 04321+5713
A 1008

106' : 04287+5355
BU 745



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.

04268+5539 STF 531 (HD 27856)

 
 
04h 26m 46.23s +55° 38' 37.6" P.A. 325.00 sep 1.0 mag 7.69,8.76 Sp F4IV dist. 158.73 pc (517.78 l.y.)
 
 
Coord 2000 04268+5539 Discov num STF 531 Comp Coord arcsec 2000 04 26 46.23 +55 38 37.6
Date first 1830 Date last 2019 Obs 51
Pa first 292 Pa last 325.3 P.A. Now (θ) 325.3°
Sep first 0.8 Sep last 0.96 Sep. Now (ρ) 0.96"
Mag pri 7.69 Mag sec 8.76 delta mag (ΔM) 1.07 Spectral class F4IV (yellow-white)
Pri motion ra -012 Sec motion ra -012
Pri motion dec +003 Sec motion dec +003
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 27856 Constellation Camelopardalis SAO 24614 HIP 20748
Tycho2 3736-00518-1 Gaia DR2 277328722660925824 HD 27856 GC 5355
ADS 3207 BD BD+55 881 Distance 158.73 Distance ly 517.78
 
 
ORBITAL ELEMENTS
 
 
Period (P)1107.5665y± 588.143 Periastron (T)1781.2947y± 83.3767 Semi-major axis (a)1.63387a± 0.80244
Eccentricity (e)0.64644± 0.28814 Inclination (i)74.344°± 8.228 Longitude of periastron (ω)101.967°± 27.691
Node (Ω)112.911°± 19.567 Notes ReferenceIzm2019
Equinox Last observation2014 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 321.7 0.973
2001 321.9 0.971
2002 322.1 0.970
2003 322.3 0.968
2004 322.5 0.966
2005 322.7 0.964
2006 322.8 0.962
2007 323.0 0.960
2008 323.2 0.958
2009 323.4 0.956
2010 323.6 0.954
2011 323.8 0.952
2012 324.0 0.950
2013 324.2 0.948
2014 324.4 0.946
2015 324.6 0.944
2016 324.8 0.942
2017 325.0 0.940
2018 325.2 0.938
2019 325.4 0.936
2020 325.6 0.934
2021 325.8 0.932
2022 326.0 0.930
2023 326.3 0.928
2024 326.5 0.926
2025 326.7 0.923
2026 326.9 0.921
2027 327.1 0.919
2028 327.3 0.917
2029 327.5 0.915
2030 327.7 0.913


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


 
  


wds04268%2B5539a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04268+5539 STF 531 (HD 27856) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 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
04268+5539 STF 531 2006 45 322 1.0 7.69 8.76 F4IV D 042646.23+553837.6
04268+5539 STF 531 2012 46 324 1.0 7.69 8.76 F4IV 042646.23+553837.6
04268+5539 STF 531 2014 47 324 0.9 7.69 8.76 F4IV 042646.23+553837.6
04268+5539 STF 531 2015 49 324 0.9 7.69 8.76 F4IV 042646.23+553837.6
04268+5539 STF 531 2019 50 325 1.0 7.69 8.76 F4IV O 042646.23+553837.6

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

 
 
WDS 04268+5539 STF 531 (HD 27856) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04268+5539 STF 531 (HD 27856) : MEASURES
 
 
No records found.

 
 
WDS 04268+5539 (HD 27856) : VIRTUAL EYEPIECE
 
 

04268+5539 STF 531A mag 7.69 Sp F4IV 04268+5539 STF 531B sep 0.8 P.A. 338.70 mag 8.76 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 04268+5539 (HD 27856) : ALADIN DSS IMAGE @ 04h 26m 46.23s +55° 38' 37.6"
 
 
 
 
WDS 04268+5539 STF 531 (HD 27856) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04268+5539 STF 531 distance=0' 04257+5603 STI2048 distance=27' 04303+5530 KR 23AB distance=31' 04282+5459 LDS5561 distance=42' 04238+5613 IPH 9 distance=42' 04254+5623 A 834AB distance=46' 04254+5623 A 834AC distance=46' 04211+5532 STTA 46AB distance=49' 04211+5532 STTA 46AC distance=49' 04313+5503 ES 882 distance=53' 04254+5438 TDS2846 distance=62' 04345+5542 STI2056 distance=66' 04210+5452 LDS5538 distance=68' 04190+5556 TDS2820 distance=68' 04228+5432 CVR 51 distance=75' 04244+5652 STI2047 distance=76' 04325+5638 STI2053 distance=77' 04299+5424 LDS5565 distance=80' 04290+5659 MLB 118 distance=83' 04372+5551 FYM 358 distance=89' 04363+5502 RAO 35 distance=90' 04373+5550 STI2058AB distance=90' 04373+5550 FYM 357AC distance=90' 04219+5701 CRB 170 distance=93' 04179+5637 STI2043 distance=94' 04162+5457 LDS5523 distance=99' 04169+5639 STI2042 distance=102' 04310+5403 FYM 592 distance=103' 04321+5713 A 1008 distance=104' 04287+5355 BU 745 distance=106' 04235+5358 ES 956AB distance=106' 04235+5358 ES 956AC distance=106' 04384+5455 ES 884 distance=109' 04319+5718 STI2052AB distance=109' 04319+5718 FYM 370AC distance=109' 04131+5519 ES 881 distance=111' 04307+5725 PRU 1 distance=111' 04150+5447 TDS2799 distance=114' 04320+5355 STF 550BC distance=114' 04320+5355 STF 550AB distance=114' 04320+5355 CIA 39Aa,Ab distance=114' 04402+5547 TDS2928 distance=114' 04371+5429 ES 883 distance=115' 04388+5447 ES 885AB distance=115' 04388+5447 ES 885AC distance=115' 04270+5735 OPI 3 distance=117' 04210+5353 ES 955 distance=119' 04397+5454 STI2062 distance=119' 04302+5343 A 1300 distance=120' 04386+5656 KR 24AB distance=126' 04386+5656 OPI 6AC distance=126' 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 04268+5539 STF 531 325 1.0
Show 04257+5603 STI2048 143 15.1 27
Show 04303+5530 KR 23 AB 132 4.6 31
Show 04282+5459 LDS5561 270 4.0 42
Show 04238+5613 IPH 9 250 20.5 42
Show 04254+5623 A 834 AB 219 0.7 46
Show 04254+5623 A 834 AC 84 24.8 46
Show 04211+5532 STTA 46 AB 160 99.9 49
Show 04211+5532 STTA 46 AC 185 33.9 49
Show 04313+5503 ES 882 176 6.4 53
Show 04254+5438 TDS2846 11 0.5 62
Show 04345+5542 STI2056 185 3.4 66
Show 04210+5452 LDS5538 65 5.4 68
Show 04190+5556 TDS2820 288 0.7 68
Show 04228+5432 CVR 51 171 116.3 75
Show 04244+5652 STI2047 293 9.9 76
Show 04325+5638 STI2053 188 4.2 77
Show 04299+5424 LDS5565 32 4.9 80
Show 04290+5659 MLB 118 153 7.0 83
Show 04372+5551 FYM 358 294 10.6 89
Show 04363+5502 RAO 35 14 5.7 90
Show 04373+5550 STI2058 AB 329 8.7 90
Show 04373+5550 FYM 357 AC 104 16.8 90
Show 04219+5701 CRB 170 9 7.1 93
Show 04179+5637 STI2043 3 7.8 94
Show 04162+5457 LDS5523 124 104.9 99
Show 04169+5639 STI2042 184 15.1 102
Show 04310+5403 FYM 592 148 7.5 103
Show 04321+5713 A 1008 141 3.4 104
Show 04287+5355 BU 745 103 0.4 106
Show 04235+5358 ES 956 AB 292 2.3 106
Show 04235+5358 ES 956 AC 181 27.8 106
Show 04384+5455 ES 884 252 3.1 109
Show 04319+5718 STI2052 AB 289 3.9 109
Show 04319+5718 FYM 370 AC 255 14.2 109
Show 04131+5519 ES 881 70 8.2 111
Show 04307+5725 PRU 1 222 0.1 111
Show 04150+5447 TDS2799 59 1.8 114
Show 04320+5355 STF 550 BC 217 150.9 114
Show 04320+5355 STF 550 AB 308 10.4 114
Show 04320+5355 CIA 39 Aa,Ab 304 0.0 114
Show 04402+5547 TDS2928 129 0.4 114
Show 04371+5429 ES 883 169 4.9 115
Show 04388+5447 ES 885 AB 156 4.6 115
Show 04388+5447 ES 885 AC 186 28.3 115
Show 04270+5735 OPI 3 176 20.7 117
Show 04210+5353 ES 955 40 2.7 119
Show 04397+5454 STI2062 21 7.2 119
Show 04302+5343 A 1300 152 0.8 120
Show 04386+5656 KR 24 AB 241 3.8 126
Show 04386+5656 OPI 6 AC 205 169.1 126

 
 
WDS 04268+5539 : COMPONENTS
 
 
  A
B pa=338.7°
sep=0.85"
 
 
04268+5539 A
 
 
Componente originario normalizzato AB Name HD 27856 Coord arcsec 2000 042646.23+553837.6 Mag 7.69
Spectral class F4IV (yellow-white) PmRA -12.00 PmDE 3.0 SAO 24614
HIP 20748 Tycho2 3736-00518-1 HD 27856 GC 5355
BD BD+55 881
Tycho2
Tycho2 3736-00518-1 Pflag P RAmdeg 66.69260507 DEmdeg 55.64377955
PmRA -11.8 PmDE 3.0 E RAmdeg 4 E DEmdeg 5
E pmRA 1.7 E pmDE 1.8 EpRAm 1991.45 EpDEm 1991.12
Num 7 Q RAmdeg 2.0 Q DEmdeg 1.2 Q pmRA 1.9
Q pmDE 1.2 BTmag 8.166 E BTmag 0.016 VTmag 7.690
E VTmag 0.010 Prox 10 TYC T HIP 20748
CCDM A RAdeg 66.69272000 DEdeg 55.64373028 EpRA 1990 1.56
EpDE 1990 1.27 E RAdeg 4.2 E DEdeg 4.7 Posflg D
Corr 0.0
SAO
SAO 24614 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 0.006 Vmag 7.3 SpType F0
Double code Source 70 CatNum 5355 DM BD+55 881
DMcomp BDsup HD 27856 M HD 0
GC 5355 RA1950rad 1.14634012 DE1950rad 0.96920584 PmRA2000 -0.0019
PmDE2000 0.004
Hipparcos
Catalog H HIP 20748 Proxy H RAhms 04 26 46.25
DEdms +55 38 37.4 Vmag 7.33 VarFlag R Vmag G
RAdeg 66.6927 DEdeg 55.6437 AstroRef A Plx 5.76
CCDM 04268+5539 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 320 Rho 0.996 HD 27856 BD BD+55 881
CD CP Dm number +55 881 VIred 0.49
SpType F0 R SpType Coord arcsec 2000 042646.25+553837.4
Hipparcos 2
HIP 20748 Sn 15 So 3 Nc 2
RArad 1.1640076665 DErad 0.9711662272 Plx 6.3 PmRA -13.03
PmDE 2.77 E RArad 0.9 E DErad 0.77 E Plx 0.94
E pmRA 1.06 E pmDE 0.92 Hpmag 7.4211 E Hpmag 0.0011
SHp 0.01 VA 0 BV 0.42 E BV 0.014
VI 0.49
CCDM
Ccdm 04268+5539 RComp Comp A Note1
Note2 Discov num DRAs -1.79 DDEs -22.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp F0 PmNote *
PmRA -16 PmDE 15 Dm number +55 881 Cat1 BD
Name2 +55 396 Cat2 AGK2/3 HD 27856 M HD
ADS BDS A 3207 M ADS BDS N IDS IDS 04187N5525A
HIC 20748
 
 
04268+5539 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 042646.19+553838.4 Mag 8.76 PmRA -12.00
PmDE 3.0 Tycho2 3736-00518-2 Calc delta mag 1.07 Calc coord yes
Tycho2
Tycho2 3736-00518-2 Pflag P RAmdeg 66.69260507 DEmdeg 55.64377955
PmRA -11.8 PmDE 3.0 E RAmdeg 4 E DEmdeg 5
E pmRA 1.7 E pmDE 1.8 EpRAm 1991.45 EpDEm 1991.12
Num 7 Q RAmdeg 2.0 Q DEmdeg 1.2 Q pmRA 1.9
Q pmDE 1.2 BTmag 9.184 E BTmag 0.017 VTmag 8.762
E VTmag 0.013 Prox 10 TYC HIP 20748
CCDM B RAdeg 66.69238694 DEdeg 55.64394194 EpRA 1990 1.54
EpDE 1990 1.30 E RAdeg 6.7 E DEdeg 7.7 Posflg D
Corr 0.0
CCDM
Ccdm 04268+5539 RComp Comp B Note1
Note2 Discov num STF 531 DRAs DDEs
R dRAs Year 1959 Theta 312 Rho 1.0
Obs 19 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3207 M ADS BDS N IDS IDS 04187N5525B
HIC 20748