High signal-to-noise spectral characterization of the planetary-mass object HD 106906 b

Sebastian Daemgen; Kamen Todorov; Sascha P. Quanz; Michael R. Meyer; Christoph Mordasini; Gabriel-Dominique Marleau; Jonathan J. Fortney

doi:10.1051/0004-6361/201731527

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Volume 608 (December 2017)

A&A, 608 (2017) A71

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Table 1

Observation summary.

UT date	Filter	n_exp × t_int	R = λ/ Δλ ^a	Airmass	Seeing	Strehl	FWHM ^c	Telluric	SpT	T_eff ^d	Airmass
					(arcsec)	ratio^b	(arcsec)	(ref. star)	(ref. star)	(ref. star)	(ref. star)

2014-12-31	H	5 × 100 s	~3000	1.32	1.1	10–16	0.35	HIP 050038	B5	15 200	1.32
2015-01-23	H	2 × 100 s	~3000	1.18	0.6	~38	0.32	HIP 055480	B8	11 400	1.59
2015-02-23	K	4 × 300 s	~4000	1.17	1.0	20–27	0.26	HIP 059363	B9	10 500	1.19
2015-02-26	J	3 × 300 s^e	~2000	1.21	1.2	5–15	0.46	HIP 055938	B3	19 000	1.26
2015-03-05	J	6 × 300 s	~2000	1.17	1.3	18–27	0.46	HIP 057474	B7	12 500	1.24

Notes.

^(a)

From the SINFONI manual.

^(b)

According to SINFONI’s real time computer (RTC).

^(c)

Measured at central wavelength.

^(d)

Converted from spectral type using Cox (2000).

^(e)

A total of four spectra were observed and extracted at this epoch, but one showed exceptionally high noise and was excluded from further analysis.

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