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Doubles in session


Current system
08254+3723
HU 856
HD 70803


Nearby doubles
4' : 08251+3723
STJ 76

6' : 08250+3721
SKF 633

15' : 08263+3733
STF1222

20' : 08242+3737
ES 1732

28' : 08235+3738
CVR 494

35' : 08225+3728
CBL 251

45' : 08273+3802
HDS1205

52' : 08213+3740
OSW 42

61' : 08213+3649
SLW 242

61' : 08212+3758
PTT 21

62' : 08285+3634
SKF 648

63' : 08223+3814
COU2079

76' : 08262+3608
ES 2160

76' : 08197+3737
PTT 20

78' : 08314+3655
SLW 259

79' : 08302+3815
ES 2012

82' : 08216+3616
HU 852AB

84' : 08259+3847
OSW 44

85' : 08325+3729
STF1239

85' : 08272+3846
SKF 643

88' : 08190+3642
SKF 618

90' : 08329+3733
SKF 669

92' : 08178+3738
BRT2219

93' : 08178+3746
SKF 302

96' : 08201+3834
GIC 80

96' : 08281+3554
HDS1208



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.

08254+3723 HU 856 (HD 70803)

 
 
08h 25m 23.73s +37° 23' 18.7" P.A. 308.00 sep 0.3 mag 8.72,8.86 Sp F5 dist. 178.25 pc (581.45 l.y.)
 
 
Coord 2000 08254+3723 Discov num HU  856 Comp Coord arcsec 2000 08 25 23.73 +37 23 18.7
Date first 1904 Date last 2008 Obs 38
Pa first 265 Pa last 307.9 P.A. Now (θ) 352.2°
Sep first 0.3 Sep last 0.288 Sep. Now (ρ) 0.144"
Mag pri 8.72 Mag sec 8.86 delta mag (ΔM) 0.14 Spectral class F5 (yellow-white)
Pri motion ra -041 Sec motion ra
Pri motion dec -035 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 70803 Constellation Lynx SAO 60797 HIP 41286
Tycho2 2489-01940-1 Gaia DR2 905006886951617024 HD 70803 ADS 6796
BD BD+37 1856 Distance 178.25 Distance ly 581.45
 
 
ORBITAL ELEMENTS
 
 
Period (P)80.35y Periastron (T)1949.9y Semi-major axis (a)0.201a
Eccentricity (e)0.589 Inclination (i)36.2° Longitude of periastron (ω)263.6°
Node (Ω)185.5° Notesn ReferenceUSN2007a
Equinox2000 Last observation2004 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 285.7 0.248
2001 287.7 0.246
2002 289.6 0.244
2003 291.6 0.241
2004 293.7 0.239
2005 295.8 0.236
2006 297.9 0.234
2007 300.1 0.231
2008 302.3 0.228
2009 304.7 0.224
2010 307.0 0.221
2011 309.5 0.217
2012 312.1 0.213
2013 314.7 0.209
2014 317.5 0.204
2015 320.4 0.199
2016 323.4 0.194
2017 326.7 0.188
2018 330.1 0.182
2019 333.8 0.176
2020 337.7 0.169
2021 342.1 0.161
2022 346.8 0.153
2023 352.2 0.144
2024 358.3 0.134
2025 5.4 0.123
2026 14.0 0.111
2027 24.7 0.099
2028 38.6 0.086
2029 57.2 0.074
2030 81.0 0.068


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


 
  


wds08254%2B3723a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08254+3723 HU 856 (HD 70803) : NOTES
 
 
discov_num notes refcode
HU 856 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 7.12 +/- 4.20, 3.34, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
USN2007a orb - Brendley, M. & Hartkopf, W.I. 2007IAUDS.163Q...1B
USN2007a Inf. Circ. 163, 1, 2007
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08254+3723 HU 856 1992 35 273 0.2 8.72 8.86 F5 NO 082523.73+372318.7
08254+3723 HU 856 2007 37 304 0.2 8.72 8.86 F5 NO 082523.73+372318.7
08254+3723 HU 856 2008 38 308 0.3 8.72 8.86 F5 NO 082523.73+372318.7

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

 
 
WDS 08254+3723 HU 856 (HD 70803) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08254+3723 HU 856 (HD 70803) : MEASURES
 
 
No records found.

 
 
WDS 08254+3723 (HD 70803) : VIRTUAL EYEPIECE
 
 

08254+3723 HU 856A mag 8.72 Sp F5 08254+3723 HU 856B sep 0.2 P.A. 314.40 mag 8.86 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 08254+3723 (HD 70803) : ALADIN DSS IMAGE @ 08h 25m 23.73s +37° 23' 18.7"
 
 
 
 
WDS 08254+3723 HU 856 (HD 70803) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08254+3723 HU 856 distance=0' 08251+3723 STJ 76 distance=4' 08250+3721 SKF 633 distance=6' 08263+3733 STF1222 distance=15' 08242+3737 ES 1732 distance=20' 08235+3738 CVR 494 distance=28' 08225+3728 CBL 251 distance=35' 08273+3802 HDS1205 distance=45' 08213+3740 OSW 42 distance=52' 08213+3649 SLW 242 distance=61' 08212+3758 PTT 21 distance=61' 08285+3634 SKF 648 distance=62' 08223+3814 COU2079 distance=63' 08262+3608 ES 2160 distance=76' 08197+3737 PTT 20 distance=76' 08314+3655 SLW 259 distance=78' 08302+3815 ES 2012 distance=79' 08216+3616 HU 852AB distance=82' 08216+3616 GII 158Aa,Ab distance=82' 08259+3847 OSW 44 distance=84' 08325+3729 STF1239 distance=85' 08272+3846 SKF 643 distance=85' 08190+3642 SKF 618 distance=88' 08329+3733 SKF 669 distance=90' 08178+3738 BRT2219 distance=92' 08178+3746 SKF 302 distance=93' 08201+3834 GIC 80 distance=96' 08281+3554 HDS1208 distance=96' 08207+3602 SKF 623 distance=99' 08292+3852 COU2081 distance=100' 08213+3851 COU2078 distance=101' 08180+3634 SKF 615 distance=102' 08214+3855 SKF 624 distance=104' 08264+3906 COU2080AB distance=104' 08264+3906 GII 160Aa,Ab distance=104' 08179+3829 KPP2615 distance=111' 08175+3623 GRV 756 distance=113' 08262+3528 COU1891 distance=116' 08166+3813 KPP3743 distance=116' 08156+3731 KPP1924 distance=117' 08155+3809 TDS5651 distance=126' 08183+3859 STF1211AB distance=128' 08183+3859 STF1211AC distance=128' 08183+3859 STF1211AD distance=128' 08256+3931 SKF 637 distance=128' 08214+3923 HDS1187 distance=129' 08159+3829 STF1204 distance=131' 08364+3703 SEI 506 distance=133' 08366+3735 UC 1692 distance=135' 08355+3826 SLW 264 distance=136' 08148+3630 HU 1123 distance=138' 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 08254+3723 HU 856 308 0.3
Show 08251+3723 STJ 76 154 1.2 4
Show 08250+3721 SKF 633 147 1.7 6
Show 08263+3733 STF1222 50 9.9 15
Show 08242+3737 ES 1732 83 18.7 20
Show 08235+3738 CVR 494 207 10.3 28
Show 08225+3728 CBL 251 51 32.9 35
Show 08273+3802 HDS1205 74 0.5 45
Show 08213+3740 OSW 42 54 80.7 52
Show 08213+3649 SLW 242 310 136.2 61
Show 08212+3758 PTT 21 182 4.5 61
Show 08285+3634 SKF 648 235 6.3 62
Show 08223+3814 COU2079 207 0.8 63
Show 08262+3608 ES 2160 343 3.5 76
Show 08197+3737 PTT 20 185 2.6 76
Show 08314+3655 SLW 259 179 24.6 78
Show 08302+3815 ES 2012 88 5.6 79
Show 08216+3616 HU 852 AB 1 2.0 82
Show 08216+3616 GII 158 Aa,Ab 145 0.2 82
Show 08259+3847 OSW 44 57 92.4 84
Show 08325+3729 STF1239 291 12.6 85
Show 08272+3846 SKF 643 99 1.7 85
Show 08190+3642 SKF 618 204 1.4 88
Show 08329+3733 SKF 669 18 1.1 90
Show 08178+3738 BRT2219 9 3.2 92
Show 08178+3746 SKF 302 64 66.4 93
Show 08201+3834 GIC 80 261 34.4 96
Show 08281+3554 HDS1208 205 0.2 96
Show 08207+3602 SKF 623 340 1.2 99
Show 08292+3852 COU2081 29 1.9 100
Show 08213+3851 COU2078 85 0.5 101
Show 08180+3634 SKF 615 147 2.2 102
Show 08214+3855 SKF 624 14 0.8 104
Show 08264+3906 COU2080 AB 122 0.4 104
Show 08264+3906 GII 160 Aa,Ab 106 0.1 104
Show 08179+3829 KPP2615 65 24.0 111
Show 08175+3623 GRV 756 147 42.0 113
Show 08262+3528 COU1891 160 0.8 116
Show 08166+3813 KPP3743 99 1.6 116
Show 08156+3731 KPP1924 93 15.1 117
Show 08155+3809 TDS5651 67 0.4 126
Show 08183+3859 STF1211 AB 162 0.4 128
Show 08183+3859 STF1211 AC 15 51.9 128
Show 08183+3859 STF1211 AD 134 123.2 128
Show 08256+3931 SKF 637 77 1.3 128
Show 08214+3923 HDS1187 6 0.2 129
Show 08159+3829 STF1204 103 11.5 131
Show 08364+3703 SEI 506 173 2.4 133
Show 08366+3735 UC 1692 133 37.9 135
Show 08355+3826 SLW 264 2 18.4 136
Show 08148+3630 HU 1123 159 0.4 138

 
 
WDS 08254+3723 : COMPONENTS
 
 
  A
B pa=314.4°
sep=0.25"
 
 
08254+3723 A
 
 
Componente originario normalizzato AB Name HD 70803 Coord arcsec 2000 082523.73+372318.7 Mag 8.72
Spectral class F5 (yellow-white) PmRA -41.00 PmDE -35.0 SAO 60797
HIP 41286 Tycho2 2489-01940-1 HD 70803 BD BD+37 1856
Tycho2
Tycho2 2489-01940-1 Pflag RAmdeg 126.34880698 DEmdeg 37.38845332
PmRA -16.2 PmDE -33.5 E RAmdeg 5 E DEmdeg 6
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.45 EpDEm 1991.09
Num 9 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 8.452 E BTmag 0.016 VTmag 7.986
E VTmag 0.011 Prox 999 TYC T HIP 41286
CCDM AB RAdeg 126.34885361 DEdeg 37.38853250 EpRA 1990 1.71
EpDE 1990 1.46 E RAdeg 5.0 E DEdeg 5.8 Posflg P
Corr 0.2
SAO
SAO 60797 DelFlag RA1950 PmRA1950 -0.0027
DE1950 PmDE1950 -0.063 Vmag 8.1 SpType F5
Double code Source 5 CatNum 920 DM BD+37 1856
DMcomp BDsup HD 70803 M HD 0
GC RA1950rad 2.19101074 DE1950rad 0.65540782 PmRA2000 -0.0027
PmDE2000 -0.059
Hipparcos
Catalog H HIP 41286 Proxy H RAhms 08 25 23.73
DEdms +37 23 18.7 Vmag 7.93 VarFlag R Vmag G
RAdeg 126.349 DEdeg 37.3885 AstroRef * Plx 6.6
CCDM 08254+3723 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 269 Rho 0.252 HD 70803 BD BD+37 1856
CD CP Dm number +37 1856 VIred 0.52
SpType F5 R SpType Coord arcsec 2000 082523.73+372318.7
Hipparcos 2
HIP 41286 Sn 55 So 3 Nc 2
RArad 2.2052035762 DErad 0.6525529953 Plx 5.61 PmRA -22.78
PmDE -32.02 E RArad 0.84 E DErad 0.52 E Plx 0.98
E pmRA 1.45 E pmDE 0.86 Hpmag 8.0335 E Hpmag 0.0013
SHp 0.012 VA 0 BV 0.451 E BV 0.015
VI 0.52
CCDM
Ccdm 08254+3723 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs 18.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.3 Sp F5 PmNote *
PmRA -28 PmDE -31 Dm number +37 1856 Cat1 BD
Name2 +37 920 Cat2 AGK2/3 HD 70803 M HD
ADS BDS A 6796 M ADS BDS N IDS IDS 08188N3743A
HIC 41286
 
 
08254+3723 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 082523.71+372318.9 Mag 8.86 Calc delta mag 0.14
Calc coord yes
CCDM
Ccdm 08254+3723 RComp Comp B Note1 *
Note2 Discov num HU 856 DRAs DDEs
R dRAs Year 1960 Theta 202 Rho 0.2
Obs 7 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6796 M ADS BDS N N IDS IDS 08188N3743B
HIC 41286