The hot horizontal-branch stars in ω Centauri | Astronomy & Astrophysics (A&A)

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Volume 526 (February 2011)

A&A, 526 (2011) A136

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This article has an erratum: [https://doi.org/10.1051/0004-6361/201322953e]

Table 2

Observing log.

Start of	Airmass	Seeing	Moon
exposure			illum.	dist.
UT		[″]		[°]

2005-04-04T02:53:11.238	1.204	0.61	0.264	89.9
2005-04-10T07:55:31.608	1.444	0.49	0.027	146.3
2005-04-11T08:03:46.508¹	1.420	1.09	0.071	145.4
2005-04-16T02:15:02.180	1.187	0.88	0.445	109.5
2005-04-17T07:30:33.470	1.455	0.77	0.560	97.4
2006-04-02T05:00:55.927	1.089	0.67	0.181	142.9
2006-06-15T23:13:58.802	1.112	0.62	0.780	97.2
2006-06-28T23:11:12.410	1.089	0.59	0.104	88.1
2006-06-30T01:37:27.558	1.245	1.08	0.177	76.8
2006-07-04T00:55:50.945	1.190	0.78	0.528	40.8
2006-08-09T23:31:50.834	1.349	1.59	0.994	101.2
2006-08-09T23:25:30.528	1.261	1.51	0.994	101.1

Notes. The seeing given is that measured by the DIMM. The true seeing at the UT is often better.

⁽¹⁾

Exposure aborted after 11 min.

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