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J/A+A/569/A17       Gaia-ESO Survey: NGC6705             (Cantat-Gaudin+, 2014)

The Gaia-ESO Survey: Stellar content and elemental abundances in the massive cluster NGC6705. Cantat-Gaudin T., Vallenari A., Zaggia S., Bragaglia A., Sordo R., Drew J.E., Eisloeffel J., Farnhill H.J., Gonzalez-Solares E., Greimel R., Irwin M.J., Kupcu-Yoldas A., Jordi C., Blomme R., Sampedro L., Costado M.T., Alfaro E., Smiljanic R., Magrini L., Donati P., Friel E.D., Jacobson H., Abbas U., Hatzidimitriou D., Spagna A., Vecchiato A., Balaguer-Nunez L., Lardo C., Tosi M., Pancino E., Klutsch A., Tautvaisiene G., Drazdauskas A., Puzeras E., Jimenez-Esteban F., Maiorca E., Geisler D., San I., Villanova S., Gilmore G., Randich S., Bensby T., Flaccomio E., Lanzafame A., Recio-Blanco A., Damiani F., Hourihane A., Jofre P., deLaverny P., Masseron T., Morbidelli L., Prisinzano L., Sacco G.G., Sbordone L., Worley C.C. <Astron. Astrophys. 569, A17 (2014)> =2014A&A...569A..17C
ADC_Keywords: Clusters, open ; Photometry, UBV ; Radial velocities Keywords: stars: abundances - open clusters and associations: general - open clusters and associations: individual: NGC 6705 Abstract: Chemically inhomogeneous populations are observed in most globular clusters, but not in open clusters. Cluster mass seems to play a key role in the existence of multiple populations. Studying the chemical homogeneity of the most massive open clusters is needed to better understand the mechanism of their formation and determine the mass limit under which clusters cannot host multiple populations. Here we studied NGC 6705, which is a young and massive open cluster located towards the inner region of the Milky Way. This cluster is located inside the solar circle. This makes it an important tracer of the inner disk abundance gradient. This study makes use of BVI and ri photometry and comparisons with theoretical isochrones to derive the age of NGC 6705. We study the density profile of the cluster and the mass function to infer the cluster mass. Based on abundances of the chemical elements distributed in the first internal data release of the Gaia-ESO Survey, we study elemental ratios and the chemical homogeneity of the red clump stars. Radial velocities enable us to study the rotation and internal kinematics of the cluster. Description: We combine new BV photometry with the spectroscopic observations of the Gaia-ESO Survey to study the open cluster NGC6 705. 1028 stars were observed with the HR15n grating of the GIRAFFE instrument at VLT/UT2. The radial velocities obtained for those stars were used to derive membership probabilities. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 67 1028 Positions, BV photometry, radial velocities and membership probabilities
See also: I/324 : The Initial Gaia Source List (IGSL) (Smart, 2013) VI/137 : GaiaSimu Universe Model Snapshot (Robin+, 2012) J/A+A/561/A94 : Velocities and photometry in Trumpler 20 (Donati+, 2014) J/A+A/563/A94 : Kinematics of the Gamma Vel cluster (Jeffries+, 2014) J/A+A/566/A50 : Classification of stellar spectra 6440-6810Å (Damiani+ 2014) J/A+AS/128/255 : Proper motions in M 11 (Su+ 1998) J/MNRAS/310/982 : UBVI CCD Photometry of M11 - II. (Sung+ 1999) J/A+A/412/721 : CCD Δa-photometry of 5 open clusters (Paunzen+, 2003) J/PASP/119/1233 : BV photometry of M11 stars (Koo+, 2007) J/A+A/513/A29 : RACE-OC project: M11 (NGC6705) (Messina+, 2010) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 16 A16 --- idGES Identification index of the Gaia-ESO Survey (HHMMSSss+DDMMSSs, ICRS) 18- 26 F9.5 deg RAdeg Right Ascension coordinate J2000 28- 35 F8.5 deg DEdeg Declination coordinate J2000 37- 42 F6.3 mag Bmag [11.7/20.7] B magnitude 44- 49 F6.3 mag Vmag [10.8/19.1] V magnitude 51- 56 F6.2 km/s RV [-79/335] Radial velocity from Giraffe-HR15n spectra (476-684nm) 58- 62 F5.2 km/s e_RV [0.25/21] Error on RV 64- 67 F4.2 --- Pmemb [0/1] Membership probability
Acknowledgements: Tristan Cantat-Gaudin, tristan.cantat(at)
(End) Tristan Cantat-Gaudin [OAPD, Italy], Patricia Vannier [CDS] 07-Jul-2014
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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