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| Query : 2005A&A...438L..29C |
2005A&A...438L..29C - Astronomy and Astrophysics, volume 438L29-32 (2005/8-2)
A companion to ABPic at the planet/brown dwarf boundary.
CHAUVIN G., LAGRANGE A.-M., ZUCKERMAN B., DUMAS C., MOUILLET D., SONG I., BEUZIT J.-L., LOWRANCE P. and BESSELL M.S.
Abstract (from CDS):
We report deep imaging observations of the young, nearby star ABPic, a member of the large Tucana-Horologium association. We have detected a faint, red source 5.5'' South of the star with JHK colors compatible with that of a young substellar L dwarf. Follow-up observations at two additional epochs confirm, with a confidence level of 4.7σ, that the faint red object is a companion to ABPic rather than it being a stationary background object. A low resolution K-band spectrum indicates an early-L spectral type for the companion. Finally, evolutionary model predictions based on the JHK photometry of ABPicb indicate a mass of 13 to 14MJup if its age is ∼30Myr. Is ABPicb a massive planet or a minimum mass brown dwarf?
Abstract Copyright: ∼
Journal keyword(s):
Simbad objects: 13
| Number of rows : 13 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NAME THA | MGr | 00 00 | -62.0 | ~ | 540 | 0 | |||||
| 2 | CD-52 381 | PM* | 01 52 14.6257090872 | -52 19 33.184648704 | 11.836 | 10.953 | 10.42 | 9.825 | K2V(e) | 67 | 0 | |
| 3 | CD-52 381B | LM* | 01 52 14.63 | -52 19 30.0 | M9.5 | 24 | 0 | |||||
| 4 | Cl* Melotte 22 KPNO 2 | BD* | 03 45 43.1616128256 | +25 40 23.239779672 | 17.36 | L0V | 136 | 0 | ||||
| 5 | * tet01 Ori C | SB* | 05 35 16.4662967280 | -05 23 22.921811880 | 4.20 | 5.15 | 5.13 | 4.91 | 4.73 | O7Vp | 1479 | 1 |
| 6 | HD 44627 | Er* | 06 19 12.9130449912 | -58 03 15.527294208 | 10.01 | 9.205 | 8.185 | K1V(e) | 207 | 1 | ||
| 7 | HD 44627B | BD* | 06 19 12.9988086984 | -58 03 20.198341332 | L1 | 155 | 1 | |||||
| 8 | NAME AB Dor Moving Group | MGr | 06 38 53.4 | -42 50 04 | ~ | 540 | 0 | |||||
| 9 | HD 52359 | * | 06 59 11.6798427000 | -38 49 54.861909024 | 8.68 | 8.77 | B6V | 12 | 0 | |||
| 10 | NAME TW Hya Association | As* | 11 01.9 | -34 42 | ~ | 1018 | 0 | |||||
| 11 | TWA 27 | LM* | 12 07 33.4675524840 | -39 32 54.016625184 | 19.95 | 17.99 | 15.88 | M8IVe | 376 | 0 | ||
| 12 | TWA 27B | BD* | 12 07 33.50 | -39 32 54.4 | L3 | 321 | 0 | |||||
| 13 | NAME beta Pic Moving Group | MGr | 14 30 | -42.0 | ~ | 894 | 0 |
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