| Coord 2000 | 04148+2813 | Discov num | GHE 2 | Comp | Aa,Ab | Coord arcsec 2000 | 04 14 49.28 +28 12 30.6 | ||||
| Date first | 1991 | Date last | 2015 | Obs | 22 | ||||||
| Pa first | 180 | Pa last | 253.2 | P.A. Now (θ) | 253.2° | ||||||
| Sep first | 0.2 | Sep last | 0.124 | Sep. Now (ρ) | 0.124" | ||||||
| Mag pri | 15.90 | Mag sec | 16.00 | delta mag (ΔM) | 0.1 | Spectral class | M3.5+M3.5 (red/red) | ||||
| Pri motion ra | +007 | Sec motion ra | |||||||||
| Pri motion dec | -027 | Sec motion dec | |||||||||
| Notes | N O (See Notes, Orbital solution) | ||||||||||
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 04 14 49 +28 12 31 | GHE 2 Aa,Ab | 2015 | 22 | 253 | 0.1 | 15.90 | 16.00 | 0.10 | Y | <=== | ||
| Show | 04 14 49 +28 12 31 | KSA 5 AB | 2015 | 11 | 251 | 26.1 | 9.70 | 15.70 | 6.00 |
| Constellation | Taurus | Gaia DR2 | 163183644576299264 |
| Period (P) | 194y | Periastron (T) | 2023.12y | Semi-major axis (a) | 0.219a | |||
| Eccentricity (e) | 0.449 | Inclination (i) | 38.7° | Longitude of periastron (ω) | 206.9° | |||
| Node (Ω) | 83.8° | Notes | n | Reference | Tam2002 | |||
| Equinox | Last observation | 2001 | Grade | 4 | (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 |
| GHE 2 | FO Tau. Orbital elements and dynamical mass determinations were | |
| published by Tamazian et al. (2002). | Tam2002 |
| refcode | metd | author | reference |
| Tam2002 | Si j | Tamazian, V.S., Docobo, J.A., White, R.J., & Woitas, J. | 2002ApJ...578..925T |
| Tam2002 | +orb | ApJ 578, 925, 2002 |
| idgroup | discov | author |
| 1 | GHE | Ghez, A.M., Neugebauer, G., Gorham, P.W., Haniff, C.A., Kulkarni, S.R., Matthews, |
| 1 | GHE | K., Koresko, C., & Beckwith, S. |
| 14 | GHE | Ghez, A.M., Duchene, G., Matthews, K., Hornstein, S.D., Tanner, A., Larkin, J., |
| 14 | GHE | Morris, M., Becklin, E.E., et al. |
| 15 | GHE | Ghez, A.M., Salim, S., Hornstein,S.D., Tanner, A., Lu, J.R., Morris, M., |
| 15 | GHE | Becklin, E.E., & Duchene, G. |
| 16 | GHE | Boehle, A., Ghez, A.M., Schodel, R., Meyer, L., Yelda, S., Albers, S., |
| 16 | GHE | Martinez, G.D., Becklin, E.E., Do, T., Lu, J.R., Matthews, K., Morris, M., et al. |
| 17 | KSA | Kraus, A.L. & Hillenbrand, L.A. |
| 29 | KSA | Kraus, A.L., Ireland, M.J., Cieza, L.A., Hinkley, S., Dupuy, T.J., |
| 29 | KSA | Bowler, B.P., & Liu, M.C. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 04148+2813 | GHE 2 | Aa,Ab | 2001 | 17 | 207 | 0.1 | 15.40 | NOD | 041449.28+281230.6 | ||
| 04148+2813 | GHE 2 | Aa,Ab | 2013 | 20 | 246 | 0.1 | 15.90 | 16.00 | M3.5 M3.5 | NO | 041449.28+281230.6 |
| 04148+2813 | GHE 2 | Aa,Ab | 2015 | 21 | 253 | 0.1 | 15.90 | 16.00 | M3.5+M3.5 | NO | 041449.28+281230.6 |
| Show | date | username | difficulty | sep | sep_sigma | pa | pa_sigma | delta_mag | # | notes |
| Show | 12/11/14 | Robert | 88.00 | 0.44 | 261.00 | 0.50 | 2 |
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