05544+2017 KNG 1 (Chi1 Ori)

 
 
05h 54m 22.97s +20° 16' 34.2" P.A. 92.00 sep 0.0 mag 4.46,7.50 Sp G0V dist. 8.66 pc (28.25 l.y.)
 
 
Coord 2000 05544+2017 Discov num KNG   1 Comp Coord arcsec 2000 05 54 22.97 +20 16 34.2
Date first 1982 Date last 2019 Obs 5
Pa first 326 Pa last 92.2 P.A. Now (θ) 92.2°
Sep first 0.7 Sep last 0.033 Sep. Now (ρ) 0.033"
Mag pri 4.46 Mag sec 7.50 delta mag (ΔM) 3.04 Spectral class G0V (yellow)
Pri motion ra -175 Sec motion ra
Pri motion dec -090 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Chi1 Ori Constellation Orion SAO 77705 HIP 27913
Tycho2 1320-02118-1 Gaia DR2 3399063235753901952 HD 39587 HR 2047
GC 7419 GL Gl 222A BD BD+20 1162 Bayer Chi 1 Orionis
Bayer name Chi1 Ori Flamsteed 54 Orionis Flamsteed name 54 Ori Distance 8.66
Distance ly 28.25 Bayer greek χ1 Ori
 
 
ORBITAL ELEMENTS
 
 
Period (P)5156.291d (14.12y)± 2.508 Periastron (T)51468.2d (1999.791y)± 3.083 Semi-major axis (a)89.662m± 0.88
Eccentricity (e)0.452± 0.002 Inclination (i)95.937°± 0.79 Longitude of periastron (ω)111.527°± 0.23
Node (Ω)126.36°± 0.593 Notesn ReferenceHaI2002
Equinox Last observation2000 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 314.1 0.030
2001 305.6 0.064
2002 301.2 0.064
2003 295.2 0.048
2004 280.4 0.026
2005 208.0 0.013
2006 151.8 0.030
2007 140.0 0.053
2008 135.0 0.072
2009 132.1 0.087
2010 129.9 0.096
2011 127.8 0.094
2012 125.3 0.077
2013 119.2 0.037
2014 317.2 0.024
2015 306.2 0.062
2016 301.8 0.065
2017 296.1 0.050
2018 283.3 0.029
2019 221.6 0.013
2020 154.4 0.028
2021 140.8 0.050
2022 135.5 0.070
2023 132.4 0.086
2024 130.1 0.095
2025 128.1 0.095
2026 125.6 0.080
2027 120.5 0.043
2028 322.6 0.017
2029 306.8 0.060
2030 302.3 0.066


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



 
 


wds05544%2B2017s.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 05544+2017 KNG 1 (Chi1 Ori) : NOTES
 
 
discov_num notes refcode
KNG 1 chi 1 Ori
Combined astrometric/spectroscopic solution by Irwin et al. (1992) Irw1992a
2002.161: This observation agrees with the orbit of Han & Gatewood HaI2002
(2002).
Koenig et al. (2002) derive masses of 1.02+-0.08 and 0.15+-0.01 Msun. Kng2002
CHARA Array Limb-darkened diameter 1.051 +/- 0.009 mas, CIA2012e
R = 0.979 +/- 0.009 \rsun, L = 1.081 +/-0.018 \lsun,
Teff = 5961 +/- 36 K, M = 1.029 +/- 0.029 \msun,
Age = 2.0 +/- 1.8 Gyr.
 
 
REFERENCES
 
 
refcode metd author reference
CIA2012e not j Boyajian, T.S., McAlister, H.A., van Belle, G., Gies, D.R., ten Brummelaar, T.A., 2012ApJ...746..101B
CIA2012e von Braun, K., Farrington, C., Goldfinger, P.J., O'Brien, D., Parks, J.R., .
CIA2012e Richardson, N.D., Ridgway, S., Schaefer, G., Sturmann, L., Sturmann, J., Touhami, .
CIA2012e Y., Turner, N.H. & White, R. .
CIA2012e ApJ 746, 101, 2012 .
HaI2002 orb - Han, I. & Gatewood, G. 2002PASP..114..224H
HaI2002 PASP 114, 224, 2002
Irw1992a orb - Irwin, A.W., Yang, S.L.S., & Walker, G.A.H. 1992PASP..104..101I
Irw1992a PASP 104, 101, 1992
Kng2002 A j Koenig, B., Fuhrmann, K., Neuhauser, R., Charbonneau, D., & Jayawardhana, R. 2002A&A...394L..43K
Kng2002 A&A 394, L43, 2002
Kng2002 (Keck with AO, NIRC2 camera, and coronagraph)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05544+2017 KNG 1 2002 2 123 0.5 4.46 7.50 N D 055422.97+201634.2
05544+2017 KNG 1 2019 4 92 0.0 4.46 7.50 G0V NO 055422.97+201634.2

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

 
 
WDS 05544+2017 KNG 1 (Chi1 Ori) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05544+2017 KNG 1 (Chi1 Ori) : MEASURES
 
 
No records found.

 
 
WDS 05544+2017 (Chi1 Ori) : VIRTUAL EYEPIECE
 
 

05544+2017 KNG   1A mag 4.46 Sp G0V 05544+2017 KNG   1B mag 7.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 05544+2017 (Chi1 Ori) : ALADIN DSS IMAGE @ 05h 54m 22.97s +20° 16' 34.2"
 
 
 
 
WDS 05544+2017 KNG 1 (Chi1 Ori) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


05544+2017  KNG   1 distance=0' 05553+2023  J  1914 distance=15' 05533+2018  RBR  37 distance=16' 05562+2012  TDS3430 distance=26' 05523+2018  BRT2334 distance=29' 05563+2005  COU 375AB distance=30' 05563+2005  COU 375Aa,Ab distance=30' 05563+2005  COU 375AC distance=30' 05563+2005  COU 375AD distance=30' 05549+1945  OCC9114 distance=33' 05565+2002  GII  56 distance=33' 05560+2043  SKF2502AB distance=35' 05560+2043  SKF2502AC distance=35' 05524+2038  TDS3389 distance=36' 05530+2047  ARY  39AB distance=37' 05530+2047  ARY  39AC distance=37' 05569+2007  OCC9115 distance=38' 05524+2042  OCC 627Da,Db distance=38' 05524+2042  DAM1338DI distance=38' 05519+2037  HU  448 distance=41' 05566+1945  OCC 608 distance=45' 05511+2008  HU   40 distance=47' 05527+1937  TDS3396 distance=47' 05515+1941  GWP 719 distance=54' 05507+2027  J  1047 distance=54' 05542+2112  J  2733 distance=56' 05505+2027  COU 372 distance=56' 05519+1931  OCC 434 distance=58' 05528+2110  HDS 789 distance=59' 05561+1923  OCC  28 distance=59' 05582+2055  COU 376 distance=67' 05592+2010  OCC9116AB distance=69' 05592+2010  OCC9116AC distance=69' 05526+1913  SKF2492 distance=69' 05595+2013  TDS3470 distance=73' 05569+2121  CHR 214Aa,Ab distance=74' 05569+2121  HU  449AB distance=74' 05579+2111  SKF2451 distance=74' 05513+1917  TDS3379Aa,Ab distance=74' 05513+1917  J  1819AB distance=74' 05556+1904  TDS3426 distance=75' 05594+2040  SKF2537 distance=75' 05543+1902  TDS3414 distance=75' 05494+1949  BRT2333 distance=76' 05594+2045  DAM1242 distance=76' 05533+2132  OCC 882 distance=78' 05491+1949  OCC9113AB distance=79' 05491+1949  OCC9113AC distance=79' 05544+1854  STF 813 distance=83' 05531+2137  BRT2335 distance=84' 05561+1856  DAM1339 distance=85' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 05544+2017 KNG 1 92 0.0
Show 05553+2023 J 1914 256 7.8 15
Show 05533+2018 RBR 37 74 0.3 16
Show 05562+2012 TDS3430 227 0.5 26
Show 05523+2018 BRT2334 79 3.6 29
Show 05563+2005 COU 375 AB 126 1.2 30
Show 05563+2005 COU 375 Aa,Ab 139 0.1 30
Show 05563+2005 COU 375 AC 41 4.1 30
Show 05563+2005 COU 375 AD 141 8.4 30
Show 05549+1945 OCC9114 -1 0.0 33
Show 05565+2002 GII 56 140 8.5 33
Show 05560+2043 SKF2502 AB 250 15.4 35
Show 05560+2043 SKF2502 AC 94 83.0 35
Show 05524+2038 TDS3389 97 0.5 36
Show 05530+2047 ARY 39 AB 185 33.4 37
Show 05530+2047 ARY 39 AC 301 117.3 37
Show 05569+2007 OCC9115 -1 0.0 38
Show 05524+2042 OCC 627 Da,Db -1 0.1 38
Show 05524+2042 DAM1338 DI 57 22.2 38
Show 05519+2037 HU 448 238 2.5 41
Show 05566+1945 OCC 608 -1 0.1 45
Show 05511+2008 HU 40 17 3.7 47
Show 05527+1937 TDS3396 233 0.6 47
Show 05515+1941 GWP 719 167 41.1 54
Show 05507+2027 J 1047 286 2.2 54
Show 05542+2112 J 2733 17 6.4 56
Show 05505+2027 COU 372 30 1.1 56
Show 05519+1931 OCC 434 -1 0.0 58
Show 05528+2110 HDS 789 251 10.6 59
Show 05561+1923 OCC 28 -1 0.1 59
Show 05582+2055 COU 376 300 0.8 67
Show 05592+2010 OCC9116 AB -1 0.0 69
Show 05592+2010 OCC9116 AC -1 0.0 69
Show 05526+1913 SKF2492 10 28.4 69
Show 05595+2013 TDS3470 150 0.8 73
Show 05569+2121 CHR 214 Aa,Ab 128 0.3 74
Show 05569+2121 HU 449 AB 342 3.1 74
Show 05579+2111 SKF2451 35 7.9 74
Show 05513+1917 TDS3379 Aa,Ab 113 0.5 74
Show 05513+1917 J 1819 AB 298 7.3 74
Show 05556+1904 TDS3426 211 0.5 75
Show 05594+2040 SKF2537 35 15.7 75
Show 05543+1902 TDS3414 147 0.5 75
Show 05494+1949 BRT2333 268 2.9 76
Show 05594+2045 DAM1242 328 4.0 76
Show 05533+2132 OCC 882 -1 0.1 78
Show 05491+1949 OCC9113 AB -1 0.0 79
Show 05491+1949 OCC9113 AC -1 0.0 79
Show 05544+1854 STF 813 150 3.1 83
Show 05531+2137 BRT2335 351 2.7 84
Show 05561+1856 DAM1339 14 14.5 85

 
 
WDS 05544+2017 : COMPONENTS
 
 
  A
B pa=92.3°
sep=0.03"
 
 
05544+2017 A
 
 
Componente originario normalizzato AB Name Chi1 Ori Coord arcsec 2000 055422.97+201634.2 Mag 4.46
Spectral class G0V (yellow) PmRA -175.00 PmDE -90.0 SAO 77705
HIP 27913 Tycho2 1320-02118-1 HD 39587 HR 2047
GC 7419 BD BD+20 1162 Bayer Chi 1 Orionis Bayer name Chi1
Flamsteed 54 Orionis Flamsteed name 54 Ori
Tycho2
Tycho2 1320-02118-1 Pflag RAmdeg 88.59573271 DEmdeg 20.27619413
PmRA -174.6 PmDE -89.9 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.65 EpDEm 1991.50
Num 25 Q RAmdeg 1.7 Q DEmdeg 2.0 Q pmRA 1.7
Q pmDE 1.9 BTmag 5.103 E BTmag 0.014 VTmag 4.462
E VTmag 0.009 Prox 999 TYC T HIP 27913
CCDM RAdeg 88.59615139 DEdeg 20.27639361 EpRA 1990 1.91
EpDE 1990 2.00 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr 0.2
SAO
SAO 77705 DelFlag RA1950 PmRA1950 -0.0133
DE1950 PmDE1950 -0.086 Vmag 4.6 SpType F8
Double code Source 70 CatNum 7419 DM BD+20 1162
DMcomp BDsup HD 39587 M HD 0
GC 7419 RA1950rad 1.53335874 DE1950rad 0.35375576 PmRA2000 -0.0134
PmDE2000 -0.084
Hipparcos
Catalog H HIP 27913 Proxy RAhms 05 54 23.08
DEdms +20 16 35.1 Vmag 4.39 VarFlag 1 R Vmag H
RAdeg 88.5962 DEdeg 20.2764 AstroRef Plx 115.43
CCDM 05544+2017 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 39587 BD BD+20 1162
CD CP Dm number +20 1162 VIred 0.66
SpType G0V R SpType Coord arcsec 2000 055423.08+201635.1
Hipparcos 2
HIP 27913 Sn 5 So 0 Nc 1
RArad 1.5462951088 DErad 0.3538901962 Plx 115.43 PmRA -162.54
PmDE -99.51 E RArad 0.23 E DErad 0.16 E Plx 0.27
E pmRA 0.28 E pmDE 0.16 Hpmag 4.5219 E Hpmag 0.001
SHp 0.01 VA 0 BV 0.594 E BV 0.008
VI 0.66
CCDM
Ccdm 05544+2017 RComp Comp A Note1
Note2 @ Discov num DRAs -1.08 DDEs -25.9
R dRAs 19 Year Theta Rho
Obs 1 Vmag 4.4 Sp G0 PmNote *
PmRA -189 PmDE -86 Dm number +20 1162 Cat1 BD
Name2 +20 592 Cat2 AGK2/3 HD 39587 M HD
ADS BDS M ADS BDS N IDS * IDS 05485N2015
HIC 27913
 
 
05544+2017 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 055422.97+201634.2 Mag 7.5 Calc delta mag 3.04
Calc coord yes