| Coord 2000 | 09263+5847 | Discov num | BUG 9 | Comp | Coord arcsec 2000 | 09 26 15.37 +58 47 21.2 | |||||
| Date first | 2004 | Date last | 2004 | Obs | 2 | ||||||
| Pa first | 133 | Pa last | 134.2 | P.A. Now (θ) | 134.2° | ||||||
| Sep first | 0.1 | Sep last | 0.067 | Sep. Now (ρ) | 0.067" | ||||||
| Mag pri | 17.14 | Mag sec | 17.54 | delta mag (ΔM) | 0.4 | Spectral class | T4+T4 (brown dwarf/brown dwarf) | ||||
| Pri motion ra | Sec motion ra | ||||||||||
| Pri motion dec | Sec motion dec | ||||||||||
| Notes | N O K (See Notes, Orbital solution, K-band or other infrared magnitudes) | ||||||||||
| Constellation | Ursa Major |
| Period (P) | 11.1y | ± 1.9 | Periastron (T) | 60500d (2024.519y) | ± 800 | Semi-major axis (a) | 80m | ± 8 |
| Eccentricity (e) | 0.48 | ± 0.22 | Inclination (i) | 91.3° | ± 0.8 | Longitude of periastron (ω) | 277° | ± 17 |
| Node (Ω) | 133.4° | ± 0.6 | Notes | n | Reference | Dup2017 | ||
| Equinox | Last observation | 2010 | Grade | 5 | (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 |
| BUG 9 | SDSS J092615.38+584720.9 | |
| Estimated spectral types are T4: + T4:, effective temperatures ~1330 | ||
| and ~1330 K. Masses are estimated at 0.029-0.073 and 0.029-0.073 Msun, | ||
| and the orbital period (assuming the semi-major axis = 1.26 * rho) is | ||
| ~18yr. | Bug2006a |
| refcode | metd | author | reference |
| Bug2006a | Hn j | Burgasser, A.J., Kirkpatrick, J.D., Cruz, K.L. Reid, I.N., Leggett, S.K., Liebert, | 2006ApJS..166..585B |
| Bug2006a | +E2 | J., Burrows, A., & Brown, M.E. | |
| Bug2006a | ApJS 166, 585, 2006 | ||
| Dup2017 | A j | Dupuy, T.J. & Liu, M.C. | 2017ApJS..231...15D |
| Dup2017 | +orb | ApJS 231, 15, 2017 |
| discov | author |
| BUG | Burgasser, A.J., Kirkpatrick, J.D., Cutri, R.M., McCallon, H., Kopan, G., Gizis, |
| BUG | J.E., Liebert, J., Reid, I.N., et al. |
| BUG | Burgasser, A.J., Kirkpatrick, J.D., Cruz, K.L. Reid, I.N., Leggett, S.K., Liebert, |
| BUG | J., Burrows, A., & Brown, M.E. |
| BUG | Burgasser, A.J., Luk, C., Dhital, S., Bardalez Gagliuffi, D., Nicholls, C.P., |
| BUG | Prato, L., West, A.A., & Lepine, S. |
| BUG | Aganze, Ch., Burgasser, A.J., Faherty, J.K., Choban, C., Escala, I., Lopez, M.A., |
| BUG | Jin, Y., Tamiya, T., Tallis, M., & Rockward, W. |
| DUP | Dupuy, T.J., Forbrich, J., Rizzuto, A., Mann, A.W., Aller, K., Liu, M.C., |
| DUP | Kraus, A.L., & Berger, E. |
| DUP | Dupuy, T.J., Kratter, K.M., Kraus, A.L., Isaacson, H., Mann, A.W., Ireland, M.J., |
| DUP | Howard, A.W., & Huber, D. |
| DUP | Dupuy, T.J., Liu, M.C., Best, W.M.J., Mann, A.W., Tucker, M.A., Zhang, Z., Baraffe, |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 09263+5847 | BUG 9 | 2004 | 1 | 133 | 0.1 | 17.14 | 17.54 | T4+T4 | N K | 092615.37+584721.2 |
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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=134.2° sep=0.07" |
| Coord arcsec 2000 | 092615.37+584721.2 | Mag | 17.14 | Spectral class | T4 (brown dwarf) |
| Coord arcsec 2000 | 092615.38+584721.2 | Mag | 17.54 | Spectral class | T4 (brown dwarf) | Delta magnitude | 0.4 | ||||
| Coordinate calculated | yes |