The young stellar population of IC 1613 - III. New O-type stars unveiled by GTC-OSIRIS

Free Access

Table 2

Observation log.

Slit	PA	Stars	Date	Seeing	Trans.	Moon	Airmass
	[deg]			[″]		[FLI]

slit_a	85.6	61 331, 27 381, 60 269, 60 782	10-02-2011	0.9	Spect.	0.40	1.15
slit_b	−57.8	69 476, 71 708, 75 661, 65 426	10-24-2011	1.2	Clear	0.05	1.12
slit_c	45.85	64 066, 35 071, 44 736	09-17-2011	0.9	Clear	0.70	1.24
slit_d	−28.6	67 684, 67 063, 68 456	09-16-2011	0.9	Clear	0.80	1.44
slit_e	−78.8	36 611, 60 882	09-17-2011	1.0	Clear	0.70	1.66^a

Notes.Slit position angles (PA), included targets, date of observations, seeing and transparency conditions, fraction of illuminated moon, and airmass.

^(a)

Morning twilight started a few minutes before completing the second exposure.

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.