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Doubles in session


Current system
07168+0059
A 2855
HD 56361


Nearby doubles
6' : 07171-0055
BAL 789

16' : 07175+0048
SLE 301

16' : 07159-0050
BKO1089

16' : 07177+0050
SLE 302

17' : 07177-0049
TDS4681

18' : 07158-0050
BKO1088

18' : 07161-0044
BKO1090

19' : 07157-0050
BKO1087

19' : 07158-0048
XMI 54

20' : 07157-0049
BKO1086

24' : 07152+0101
A 2851

25' : 07152-0051
BAL 784

27' : 07158-0037
HWE 17

30' : 07161+0126
BAL1396

30' : 07157-0034
BAL 786

30' : 07186-0047
BAL 790

31' : 07188+0054
J 2465

33' : 07189-0049
BAL 791

33' : 07159+0029
TDS4645

35' : 07153-0033
BAL 785AB

36' : 07158+0131
TDS4642

36' : 07190-0047
BAL 792

37' : 07149+0036
TDS4618

40' : 07194+0055
J 2470

40' : 07170-0020
BAL 788

40' : 07156+0024
BAL1090



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.

07168+0059 A 2855 (HD 56361)

 
 
07h 16m 47.50s +00° 58' 46.3" P.A. 100.00 sep 0.3 mag 9.53,9.25 Sp K0 dist. 58.79 pc (191.77 l.y.)
 
 
Coord 2000 07168+0059 Discov num A  2855 Comp Coord arcsec 2000 07 16 47.50 +00 58 46.3
Date first 1914 Date last 2020 Obs 50
Pa first 313 Pa last 100 P.A. Now (θ) 81.7°
Sep first 0.3 Sep last 0.269 Sep. Now (ρ) 0.277"
Mag pri 9.53 Mag sec 9.25 delta mag (ΔM) 0.28 Spectral class K0 (yellow-orange)
Pri motion ra -024 Sec motion ra -024
Pri motion dec +005 Sec motion dec +005
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 56361 Constellation Monoceros SAO 115193 HIP 35221
Tycho2 0164-01217-1 HD 56361 ADS 5949 BD BD+01 1757
Distance 58.79 Distance ly 191.77
 
 
ORBITAL ELEMENTS
 
 
Period (P)64.44y± 0.45 Periastron (T)1958.36y± 0.69 Semi-major axis (a)0.349a± 0.003
Eccentricity (e)0.178± 0.01 Inclination (i)148.3°± 2.1 Longitude of periastron (ω)329.2°± 7
Node (Ω)56.3°± 3.7 Notesn ReferenceMsn2009
Equinox2000 Last observation2006 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 229.7 0.392
2001 226.0 0.386
2002 222.1 0.380
2003 218.1 0.373
2004 213.9 0.365
2005 209.5 0.356
2006 204.9 0.346
2007 200.0 0.336
2008 194.8 0.326
2009 189.2 0.315
2010 183.3 0.305
2011 177.0 0.295
2012 170.2 0.285
2013 163.0 0.277
2014 155.3 0.270
2015 147.3 0.264
2016 139.0 0.260
2017 130.6 0.258
2018 122.0 0.258
2019 113.5 0.260
2020 105.2 0.263
2021 97.1 0.267
2022 89.3 0.272
2023 81.7 0.277
2024 74.4 0.282
2025 67.4 0.287
2026 60.6 0.291
2027 53.9 0.294
2028 47.4 0.297
2029 41.0 0.298
2030 34.6 0.300


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


 
  


wds07168%2B0059a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 07168+0059 A 2855 (HD 56361) : NOTES
 
 
discov_num notes refcode
A 2855 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.08 +/- 0.35, 1.91, and 0.85 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
Msn2009 S+ j Mason, B.D., Hartkopf, W.I., Gies, D.R., Henry, T.J., & Helsel, J.W. 2009AJ....137.3358M
Msn2009 +orb AJ 137, 3358, 2009
Msn2009 +lin
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
07168+0059 A 2855 2006 44 204 0.4 9.53 9.25 K0 NOD 071647.50+005846.3
07168+0059 A 2855 2010 46 179 0.3 9.53 9.25 K0 NOD 071647.50+005846.3
07168+0059 A 2855 2013 47 164 0.3 9.53 9.25 K0 NOD 071647.50+005846.3
07168+0059 A 2855 2015 48 143 0.3 9.53 9.25 K0 NO 071647.50+005846.3
07168+0059 A 2855 2018 49 123 0.3 9.53 9.25 K0 NO 071647.50+005846.3
07168+0059 A 2855 2020 50 100 0.3 9.53 9.25 K0 NO 071647.50+005846.3

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

 
 
WDS 07168+0059 A 2855 (HD 56361) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07168+0059 A 2855 (HD 56361) : MEASURES
 
 
No records found.

 
 
WDS 07168+0059 (HD 56361) : VIRTUAL EYEPIECE
 
 

07168+0059 A 2855A mag 9.53 Sp K0 07168+0059 A 2855B sep 0.3 P.A. 100.00 mag 9.25 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 07168+0059 (HD 56361) : ALADIN DSS IMAGE @ 07h 16m 47.50s +00° 58' 46.3"
 
 
 
 
WDS 07168+0059 A 2855 (HD 56361) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07168+0059 A 2855 distance=0' 07171-0055 BAL 789 distance=6' 07175+0048 SLE 301 distance=16' 07159-0050 BKO1089 distance=16' 07177+0050 SLE 302 distance=16' 07177-0049 TDS4681 distance=17' 07158-0050 BKO1088 distance=18' 07161-0044 BKO1090 distance=18' 07157-0050 BKO1087 distance=19' 07158-0048 XMI 54 distance=19' 07157-0049 BKO1086 distance=20' 07152+0101 A 2851 distance=24' 07152-0051 BAL 784 distance=25' 07158-0037 HWE 17 distance=27' 07161+0126 BAL1396 distance=30' 07157-0034 BAL 786 distance=30' 07186-0047 BAL 790 distance=30' 07188+0054 J 2465 distance=31' 07189-0049 BAL 791 distance=33' 07159+0029 TDS4645 distance=33' 07153-0033 BAL 785AB distance=35' 07153-0033 ROE 27AC distance=35' 07153-0033 ROE 27AD distance=35' 07158+0131 TDS4642 distance=36' 07190-0047 BAL 792 distance=36' 07149+0036 TDS4618 distance=37' 07194+0055 J 2470 distance=40' 07170-0020 BAL 788 distance=40' 07156+0024 BAL1090 distance=40' 07144+0116 BAL1393 distance=40' 07144-0042 BAL 783 distance=40' 07182+0133 HJ 2371 distance=41' 07141-0053 BAL 782 distance=42' 07196-0055 BU 330 distance=42' 07182-0020 SLE 303AB distance=45' 07182-0020 SLE 303AC distance=45' 07182-0020 SLE 303BC distance=45' 07178+0141 HJ 2369 distance=45' 07150+0135 BAL1394 distance=45' 07138+0053 BAL1392AB distance=46' 07138+0053 J 2625AC distance=46' 07156+0142 BAL1395 distance=47' 07196+0120 A 2861 distance=47' 07195-0033 BAL 793 distance=48' 07186+0017 SLE 304 distance=51' 07198-0035 BAL 794 distance=51' 07197+0030 SLE 307 distance=53' 07197+0128 BAL1398 distance=53' 07180+0150 BAL1785 distance=54' 07153-0010 BU 1268AB distance=54' 07135+0121 BAL1391AB distance=55' 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 07168+0059 A 2855 100 0.3
Show 07171-0055 BAL 789 243 9.6 6
Show 07175+0048 SLE 301 148 11.4 16
Show 07159-0050 BKO1089 33 4.9 16
Show 07177+0050 SLE 302 80 11.2 16
Show 07177-0049 TDS4681 103 0.7 17
Show 07158-0050 BKO1088 148 4.8 18
Show 07161-0044 BKO1090 15 3.7 18
Show 07157-0050 BKO1087 153 3.9 19
Show 07158-0048 XMI 54 227 22.0 19
Show 07157-0049 BKO1086 99 3.9 20
Show 07152+0101 A 2851 70 0.4 24
Show 07152-0051 BAL 784 205 14.0 25
Show 07158-0037 HWE 17 316 2.5 27
Show 07161+0126 BAL1396 73 16.4 30
Show 07157-0034 BAL 786 25 12.1 30
Show 07186-0047 BAL 790 153 15.3 30
Show 07188+0054 J 2465 228 3.6 31
Show 07189-0049 BAL 791 221 19.4 33
Show 07159+0029 TDS4645 357 1.6 33
Show 07153-0033 BAL 785 AB 99 6.7 35
Show 07153-0033 ROE 27 AC 49 55.8 35
Show 07153-0033 ROE 27 AD 130 117.1 35
Show 07158+0131 TDS4642 288 1.4 36
Show 07190-0047 BAL 792 70 10.3 36
Show 07149+0036 TDS4618 141 0.7 37
Show 07194+0055 J 2470 165 5.4 40
Show 07170-0020 BAL 788 218 19.9 40
Show 07156+0024 BAL1090 222 15.6 40
Show 07144+0116 BAL1393 162 18.3 40
Show 07144-0042 BAL 783 98 10.8 40
Show 07182+0133 HJ 2371 232 28.9 41
Show 07141-0053 BAL 782 243 16.6 42
Show 07196-0055 BU 330 214 1.3 42
Show 07182-0020 SLE 303 AB 81 22.2 45
Show 07182-0020 SLE 303 AC 151 18.6 45
Show 07182-0020 SLE 303 BC 213 23.7 45
Show 07178+0141 HJ 2369 57 18.9 45
Show 07150+0135 BAL1394 231 3.4 45
Show 07138+0053 BAL1392 AB 260 5.8 46
Show 07138+0053 J 2625 AC 358 23.2 46
Show 07156+0142 BAL1395 110 9.6 47
Show 07196+0120 A 2861 77 0.7 47
Show 07195-0033 BAL 793 71 15.7 48
Show 07186+0017 SLE 304 97 36.6 51
Show 07198-0035 BAL 794 70 13.1 51
Show 07197+0030 SLE 307 29 15.1 53
Show 07197+0128 BAL1398 200 12.5 53
Show 07180+0150 BAL1785 14 17.5 54
Show 07153-0010 BU 1268 AB 310 4.3 54
Show 07135+0121 BAL1391 AB 20 19.6 55

 
 
WDS 07168+0059 : COMPONENTS
 
 
  A
B pa=100.0°
sep=0.27"
 
 
07168+0059 A
 
 
Componente originario normalizzato AB Name HD 56361 Coord arcsec 2000 071647.50+005846.3 Mag 9.53
Spectral class K0 (yellow-orange) PmRA -24.00 PmDE 5.0
CCDM
Ccdm 07168+0059 RComp Comp A Note1
Note2 Discov num DRAs -0.55 DDEs -13.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp K0 PmNote *
PmRA -39 PmDE 0 Dm number +01 1757 Cat1 BD
Name2 +01 869 Cat2 AGK2/3 HD 56361 M HD
ADS BDS A 5949 M ADS BDS N IDS IDS 07116N0109A
HIC 35221
 
 
07168+0059 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 071647.52+005846.3 Mag 9.25 PmRA -24.00
PmDE 5.0 SAO 115193 HIP 35221 Tycho2 0164-01217-1
HD 56361 BD BD+01 1757 Calc delta mag 0.28 Calc coord yes
Tycho2
Tycho2 0164-01217-1 Pflag RAmdeg 109.19785339 DEmdeg 0.97951747
PmRA -24.1 PmDE 4.8 E RAmdeg 9 E DEmdeg 10
E pmRA 1.0 E pmDE 1.0 EpRAm 1989.95 EpDEm 1989.03
Num 10 Q RAmdeg 0.9 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.1 BTmag 9.584 E BTmag 0.023 VTmag 8.717
E VTmag 0.015 Prox 999 TYC T HIP 35221
CCDM AB RAdeg 109.19790750 DEdeg 0.97950694 EpRA 1990 1.93
EpDE 1990 1.85 E RAdeg 8.5 E DEdeg 10.5 Posflg P
Corr 0.0
SAO
SAO 115193 DelFlag RA1950 PmRA1950 -0.0022
DE1950 PmDE1950 -0.014 Vmag 8.8 SpType K0
Double code Source 31 CatNum 2095 DM BD+01 1757
DMcomp BDsup HD 56361 M HD 0
GC RA1950rad 1.89460376 DE1950rad 0.01866338 PmRA2000 -0.002
PmDE2000 -0.012
Hipparcos
Catalog H HIP 35221 Proxy H RAhms 07 16 47.51
DEdms +00 58 46.3 Vmag 8.58 VarFlag R Vmag G
RAdeg 109.198 DEdeg 0.979518 AstroRef A Plx 16.81
CCDM 07168+0059 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 259 Rho 0.398 HD 56361 BD BD+01 1757
CD CP Dm number +01 1757 VIred 0.84
SpType K0 R SpType Coord arcsec 2000 071647.51+005846.3
Hipparcos 2
HIP 35221 Sn 15 So 3 Nc 2
RArad 1.9058640175 DErad 0.0170958282 Plx 17.01 PmRA -21.72
PmDE 16.79 E RArad 0.87 E DErad 0.53 E Plx 0.93
E pmRA 0.99 E pmDE 0.7 Hpmag 8.7402 E Hpmag 0.0019
SHp 0.016 VA 0 BV 0.81 E BV 0.015
VI 0.85
CCDM
Ccdm 07168+0059 RComp Comp B Note1 *
Note2 Discov num A 2855 DRAs DDEs
R dRAs Year 1914 Theta Rho
Obs 18 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 5949 M ADS BDS N IDS IDS 07116N0109B
HIC 35221