2010MNRAS.408.1233K

Query : 2010MNRAS.408.1233K

2010MNRAS.408.1233K - Mon. Not. R. Astron. Soc., 408, 1233-1248 (2010/October-3)

First results of a site-testing programme at mount shatdzhatmaz during 2007-2009.

KORNILOV V., SHATSKY N., VOZIAKOVA O., SAFONOV B., POTANIN S. and KORNILOV M.

Abstract (from CDS):

We present the first results of site testing performed at Mt Shatdzhatmaz in the Northern Caucasus, where the new Sternberg Astronomical Institute 2.5-m telescope will be installed. An automatic site-monitor instrumentation and functionality are described, together with the methods of measurement of the basic astroclimate and weather parameters. The clear night-sky time derived on the basis of 2006-2009 data amounts to 1340h per year.

Principal attention is given to measurement of the optical-turbulence altitude distribution, which is the most important characteristic affecting the performance of optical telescopes. For the period from 2007 November-2009 October, more than 85000 turbulence profiles were collected using the combined Multi Aperture Scintillation Sensor and Differential Image Motion Monitor (MASS/DIMM) instrument. The statistical properties of the turbulent atmosphere above the summit are derived and the median values for seeing β0= 0.93arcsec and free-atmosphere seeing βfree= 0.51arcsec are determined. Together with the estimations of isoplanatic angle θ0= 2.07arcsec and time constant τ0= 2.58 ms, these are the first representative results obtained for Russian sites, and are necessary for the development of modern astronomical observation techniques like adaptive optics.


Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS

Journal keyword(s): atmospheric effects - site testing - techniques: miscellaneous

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 * tet Ser ** 18 56 13.18 +04 12 12.9           ~ 12 0

Query : 2010MNRAS.408.1233K

Basic data :
* tet Ser -- Double or Multiple Star
Other object types: otypes_help 		** (ADS,**,...), * (*,CSI,...)
ICRS coord. (ep=J2000) : 		18 56 13.18 +04 12 12.9 (Optical) [ ] D 2001AJ....122.3466M
FK4 coord. (ep=B1950 eq=1950) : 		18 53 44.13 +04 08 14.8 [ ]
Gal coord. (ep=J2000) : 		037.21778 +00.85409 [ ]
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Hierarchy : number of linked objects
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: 2 		: 1 Display criteria :

Identifiers (7) :
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ADS 11853 AB ** STF 2417AB NAME Alya WDS J18562+0412AB
* tet Ser CSI+04 3916 2 UBV 16085

References (12 between 1850 and 2026) (Total 12)
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