The HD 206893 planetary system seen with VLT/SPHERE - Upper limit on the dust albedo and constraints on additional companions

Home

All issues

Volume 651 (July 2021)

A&A, 651 (2021) A34

Full HTML

Free Access

Table 1

Observing log.

Night	Program ID	Mode/Filter/Coronagraph	DIT (s) ×	t_total ^(a)	AM^(b)	Δθ ^(c)	Seeing^(d)	τ₀ ^(d)	Wind speed^(e)	TN^(f)	Pls^(g)
			NDIT × Nexp	(h)		(°)	(′′)	(ms)	(m s⁻¹)	(°)	(mas pix⁻¹)
2015-10-03	096.C-0388(A)	CI/BB_H/N_ALC_YJH_S	4 × 36 × 16	0.64	1.02	49.2	0.87	3.0	3.5	− 1.82	12.25
2016-09-15	097.C-0865(D)	DBI/K1K2/N_ALC_Ks	64 × 5 × 16	1.42	1.03	75.9	0.64	5.0	8.6	− 1.76	12.26
2017-07-13	099.C-0708(A)	CI/BB_H/N_ALC_YJH_L	64 × 9 × 17	2.72	1.04	109.0	0.75	4.3	4.0	− 1.75	12.25
2018-06-19	1100.C-0481(H)	DBI/K1K2/N_ALC_Ks	64 × 15 × 6	1.60	1.02	76.1	0.51	5.6	5.9	− 1.78	12.26
2018-09-05	0101.C-0502(B)	DPI/BB_K/N_ALC_Ks	32 × 1 × 68	0.60	1.03	31.6	0.54	8.5	4.5	− 1.75	12.25
2018-09-07	0101.C-0502(B)	DPI/BB_K/N_ALC_Ks	32 × 1 × 76	0.68	1.03	33.7	0.62	14.7	0.8	− 1.75	12.25

Notes. ^(a) Total time spent integrating in coronagraphic imaging. ^(b)Mean airmass. ^(c)Amplitude of parallactic angle variation during the coronagraphic sequence. ^(d) Measured with the MASS-DIMM. ^(e) Measured at 30 m with the Astronomical Site Monitoring. ^(f)True north. ^(g)Plate scale.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.