1997PASP..109..688G

Query : 1997PASP..109..688G

1997PASP..109..688G - Publ. Astron. Soc. Pac., 109, 688-696 (1997/June-0)

CHARM - a tip-tilt tertiary system for the Calar Alto 3.5m telescope.

GLINDEMANN A., McCAUGHREAN M.J., HIPPLER S., BIRK C., WAGNER K. and ROHLOFF R.-R.

Abstract (from CDS):

begin{tex}We discuss a tip-tilt tertiary mirror system developed for the Calar Alto 3.5m telescope in Spain, that corrects the rapid image motion caused by atmospheric turbulence. Using either a visible or an infrared tip-tilt sensor, the image motion is reduced typically to less than 0\farcs03 rms (corresponding to 0.29 rad^2 mean square wavefront tilt error) at 2.2 on a 3.5m telescope. The system is equipped with a CCD camera to measure the image motion in the visible. Alternatively, using a novel technique for reading out a subarray of an infrared detector, the infrared science camera can be used to measure the slope of the wavefront by taking short exposure images on a very small subarray while simultaneously taking long exposure images on the rest of the array. This enables the system to be used even in obscured regions where only infrared stars are available. Astronomical results from several observing runs with this system at the Calar Alto 3.5m telescope are presented.

Abstract Copyright: ∼

Journal keyword(s): Astronomical Instrumentation

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	NAME Ori Trapezium	OpC	05 35 16.5	-05 23 14						~	1708	1

Query : 1997PASP..109..688G

Basic data :

NAME Ori Trapezium -- Open Cluster
Other object types:	`X (2E,1ES,...)`, `Cl* (2013ApJS,C,...)`, `OpC (2021MNRAS,OCl)`, `* (,BD)`, `As (Ass)`, `** (CCDM)`
ICRS coord. (ep=J2000) :	`05 35 16.5 -05 23 14 [ ] E 2007A&A...474..515M`
FK4 coord. (ep=B1950 eq=1950) :	`05 32 49.0 -05 25 07 [ ]`
Gal coord. (ep=J2000) :	`209.0085 -19.3828 [ ]`
Proper motions mas/yr :	`1.96 -0.77 [0.46 0.31 0] D` `2005A&A...438.1163K`
Radial velocity / Redshift / cz :	`V(km/s) 23.841 [5.161] / z(spectroscopic) 0.000080 [0.000017] / cz 23.84 [5.16] (Opt) D 2021MNRAS.504..356D`
Parallaxes (mas):	`2.557 [0.149] D` `2021MNRAS.504..356D`

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`NAME Ori Trapezium`	`CCDM J05353-0524`	`NAME Trapezium`	`RX J0535.3-0523`
*` tet01 Ori`**	`2E 1366`	`NAME Ori Id`	`SWIFT J0535.3-0520`
`Ass Ori OB 1d`	`2E 0532.6-0526`	`NAME Trapezium Cluster`	`[BDB2003] G209.01-19.36`
`BD-05 1315`	`1ES 0532-05.4`	`OCl 528.0`	`[KPR2004b] 74`
`C 0532-054`	`2MAXI J0535-052`	`PBC J0535.1-0522`	`[MWC53] Id Ori`

References (1708 between 1850 and 2026) (Total 1708)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Data at NED - NASA/IPAC Extragalactic Database : NAME Ori Trapezium

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BD-05 1315 CCDM J05353-0524 2E 1366

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