| Coord 2000 | 04268+1052 | Discov num | PAT 8 | Comp | Coord arcsec 2000 | 04 26 48.19 +10 52 16.0 | |||||
| Date first | 1991 | Date last | 2023 | Obs | 11 | ||||||
| Pa first | 78 | Pa last | 181 | P.A. Now (θ) | 192° | ||||||
| Sep first | 0.2 | Sep last | 0.151 | Sep. Now (ρ) | 0.15" | ||||||
| Mag pri | 7.40 | Mag sec | 8.00 | delta mag (ΔM) | 0.6 | Spectral class | K5 (yellow-orange) | ||||
| Pri motion ra | +110 | Sec motion ra | |||||||||
| Pri motion dec | -010 | Sec motion dec | |||||||||
| Notes | N O K (See Notes, Orbital solution, K-band or other infrared magnitudes) | ||||||||||
| Name | HD 286820 | Constellation | Taurus | HIP | 20751 | Tycho2 | 0672-00425-1 | ||||
| Gaia DR2 | 3306007129990778368 | HD | 286820 | BD | BD+10 576 | Distance | 41.48 | ||||
| Distance ly | 135.31 |
| Period (P) | 19.77y | ± 0.27 | Periastron (T) | 2017.39y | ± 0.11 | Semi-major axis (a) | 0.201a | ± 0.01 |
| Eccentricity (e) | 0.649 | ± 0.04 | Inclination (i) | 63° | ± 2.2 | Longitude of periastron (ω) | 273.7° | ± 0.9 |
| Node (Ω) | 119.6° | ± 1.5 | Notes | n | Reference | Tok2021c | ||
| Equinox | 2000 | Last observation | 2021 | Grade | 3 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. ![]() Measures: green=micrometric, blue=interferometric, purple=photographic |
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| discov_num | notes | refcode |
| PAT 8 | 1991.8990: This K dwarf is noted as a binary with a period in excess | |
| of 16 years in Griffin et al. (1988), and it is likely that we have | Grf1988 | |
| detected the spectroscopic companion. | Msn1993a | |
| The spectroscopic solution of this 6950-d pair determined by Griffin. | Grf2012b |
| refcode | metd | author | reference |
| Grf1988 | not - | Griffin, R.F., Griffin, R.E.M., Gunn, J.E., & Zimmerman, B.A. | 1988AJ.....96..172G |
| Grf1988 | AJ 96, 172, 1988 | ||
| Grf2012b | not - | Griffin, R.F. | 2012JApA...33...29G |
| Grf2012b | J Astrophys Astron 33, 29, 2012 | ||
| Msn1993a | Sc j | Mason, B.D., McAlister, H.A., Hartkopf, W.I., & Bagnuolo, W.G. | 1993AJ....105..220M |
| Msn1993a | AJ 105, 220, 1993 | ||
| Tok2021c | orb - | Tokovinin, A. | 2021IAUDS.203....1S |
| Tok2021c | Inf. Circ. 203, 1, 2021 |
| discov | author |
| GRF | Griffin, R.F. |
| GRF | Griffin, R.F., Griffin, R.E.M., Snyder, L.F., Schroder, K.-P., Pray, D., |
| GRF | Ohshima, O., Tokoro, T., Clark, W.E., Williams, D.B., Houchen, M.B., Arai, K., |
| GRF | Krisciunas, K. & Watson, J. |
| MSN | Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., |
| MSN | ten Brummelaar, T.A., & McAlister, H.A. |
| MSN | Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E., |
| MSN | Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al. |
| MSN | Mason, B.D., Hartkopf, W.I., Raghavan, D., Subasavage, J.P., Roberts, L.C., Jr., |
| MSN | Turner, N.H., & ten Brummelaar, T.A. |
| PAT | Patience, J., White, R.J., Ghez, A.M., McCabe, C., McLean, I.S., Larkin, J.E., |
| PAT | Prato, L., Kim, S.S., et al. |
| PAT | Patience, J., Zavala, R.T., Prato, L., Franz, O., Wasserman, L., Tycner, C., |
| PAT | Hutter, D.J., & Hummel, C.A. |
| TOK | Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N., |
| TOK | Martinez, M., & Mondaca, E. |
| TOK | Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M., |
| TOK | Tokovinin, A. & Briceno, C. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 04268+1052 | PAT 8 | 1996 | 2 | 295 | 0.1 | 9.58 | K5 | +10 576 | N | 042648.19+105216.0 | ||
| 04268+1052 | PAT 8 | 2019 | 3 | 139 | 0.2 | 7.40 | 8.00 | K5 | +10 576 | N K | 042648.19+105216.0 | |
| 04268+1052 | PAT 8 | 2020 | 8 | 149 | 0.2 | 7.40 | 8.00 | K5 | +10 576 | N K | 042648.19+105216.0 | |
| 04268+1052 | PAT 8 | 2021 | 9 | 159 | 0.2 | 7.40 | 8.00 | K5 | +10 576 | NO K | 042648.19+105216.0 | |
| 04268+1052 | PAT 8 | 2022 | 10 | 168 | 0.2 | 7.40 | 8.00 | K5 | +10 576 | NO K | 042648.19+105216.0 | |
| 04268+1052 | PAT 8 | 2023 | 11 | 181 | 0.2 | 7.40 | 8.00 | K5 | +10 576 | NO K | 042648.19+105216.0 |
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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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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=181.0° sep=0.15" |
| Name | HD 286820 | Coord arcsec 2000 | 042648.19+105216.0 | Mag | 7.4 | Spectral class | K5 (yellow-orange) | ||||
| PmRA | 110.00 | PmDE | -10.0 | HIP | 20751 | Tycho2 | 0672-00425-1 | ||||
| HD | 286820 | BD | BD+10 576 |
| Tycho2 | 0672-00425-1 | Pflag | RAmdeg | 66.70107167 | DEmdeg | 10.87108592 | |||||
| PmRA | 110.5 | PmDE | -8.9 | E RAmdeg | 18 | E DEmdeg | 19 | ||||
| E pmRA | 1.5 | E pmDE | 1.4 | EpRAm | 1986.60 | EpDEm | 1986.04 | ||||
| Num | 10 | Q RAmdeg | 1.1 | Q DEmdeg | 1.1 | Q pmRA | 1.1 | ||||
| Q pmDE | 1.1 | BTmag | 10.804 | E BTmag | 0.055 | VTmag | 9.527 | ||||
| E VTmag | 0.028 | Prox | 999 | TYC | T | HIP | 20751 | ||||
| CCDM | RAdeg | 66.70081750 | DEdeg | 10.87111028 | EpRA 1990 | 1.64 | |||||
| EpDE 1990 | 1.63 | E RAdeg | 22.0 | E DEdeg | 22.9 | Posflg | |||||
| Corr | -0.3 |
| Catalog | H | HIP | 20751 | Proxy | RAhms | 04 26 48.19 | |||||
| DEdms | +10 52 16.0 | Vmag | 9.45 | VarFlag | R Vmag | G | |||||
| RAdeg | 66.7008 | DEdeg | 10.8711 | AstroRef | Plx | 23.03 | |||||
| CCDM | 111.07 | N CCDM | Nsys | Ncomp | 1 | ||||||
| MultFlag | Source | Qual | M HIP | ||||||||
| Theta | Rho | HD | 286820 | BD | BD+10 576 | ||||||
| CD | CP | Dm number | +10 576 | VIred | 1.08 | ||||||
| SpType | K5 | R SpType | Coord arcsec 2000 | 042648.19+105216.0 |
| HIP | 20751 | Sn | 5 | So | 0 | Nc | 1 | ||||
| RArad | 1.1641485824 | DErad | 0.1897366484 | Plx | 24.11 | PmRA | 113.02 | ||||
| PmDE | -14.78 | E RArad | 1.3 | E DErad | 1.11 | E Plx | 1.59 | ||||
| E pmRA | 1.74 | E pmDE | 1.2 | Hpmag | E Hpmag | 0.0031 | |||||
| SHp | 0.016 | VA | 0 | BV | 1.033 | E BV | 0.005 | ||||
| VI | 1.08 |
| Coord arcsec 2000 | 042648.19+105215.8 | Mag | 8 | Delta magnitude | 0.6 | Coordinate calculated | yes |