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) |
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 |
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 | Notes | n | Reference | HaI2002 | ||
Equinox | Last observation | 2000 | Grade | 9 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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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. |
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) |
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 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | |
B | pa=92.3° sep=0.03" |
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 | 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 | 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 |
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 |
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 | 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 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 055422.97+201634.2 | Mag | 7.5 | Calc delta mag | 3.04 | ||||
Calc coord | yes |