CFBDSIR2149-0403: a 4–7 Jupiter-mass free-floating planet in the young moving group AB Doradus?

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Volume 548 (December 2012)

A&A, 548 (2012) A26

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Table 3

Photometry and spectrophotometry of CFBDSIR2149 (using WIRCam/MegaCam filter set to generate synthetic colours).

		Y	J	H	K _s	CH_4off	CH_4on

Photometry	> 23.2	20.83 ± 0.09	19.48 ± 0.04	19.89 ± 0.11	19.35 ± 0.09	–	20.7 ± 0.25
Spectrophotometry²	24.51¹	20.89¹	Reference	19.98	19.43	19.35	20.89
Calibration factor³	–	–10%¹	Reference	+8%	+8%	–	–

Notes. z′ is in AB system, all others in Vega system.

⁽¹⁾

Strong systematical uncertainties because of data rescaling below 1 μm.

⁽²⁾

Spectrophotometry is anchored on J = 19.48 ± 0.04 from WIRCam photometric measurements.

⁽³⁾

Calibration factors are the factors to apply to the spectra in Y,J,H, and K bands so that it matches the broad band photometry.

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