J/AJ/118/2839       BV photometry of NGC 1866                 (Testa+, 1999)

The Large Magellanic Cloud globular cluster NGC 1866: new data, new models, new analysis. Testa V., Ferraro F.R., Chieffi A., Straniero O., Limongi M., Fusi Pecci F. <Astron. J. 118, 2839 (1999)> =1999AJ....118.2839T 1999AJ....118.2839T
ADC_Keywords: Magellanic Clouds ; Clusters, globular ; Photometry, UBV Keywords: color-magnitude diagrams - galaxies: star clusters - Magellanic Clouds Abstract: We present a new deep (down to V∼24) photometry of a wide region (∼6'x6') around the Large Magellanic Cloud globular cluster NGC 1866. Our sample is much larger (by more than a factor of 3) than any previous photometry and with a main sequence (MS) that may be considered complete, down to at least 3 mag below the brightest MS star; such an occurrence allows a meaningful and robust comparison with various theoretical scenarios produced by means of models computed with the evolutionary code FRANEC. Objects: -------------------------------------------- RA (2000) DE Designation(s) -------------------------------------------- 05 13 39.0 -65 27 54 NGC 1866 -------------------------------------------- File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table2.dat 51 12680 Photometry of cluster frame table3.dat 51 3044 Photometry of field frame -------------------------------------------------------------------------------- See also: J/ApJS/71/25 : NGC 1866 CCD photometry (Brocato+ 1989) J/AJ/110/638 : BVI photometry in NGC 1866 (Walker 1995) J/A+A/371/L5 : CCD Δa-photometry of NGC 1866 (Maitzen+, 2001) Byte-by-byte Description of file: table[23].dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 5 I5 ---- TFC Identification number (1) 7- 14 F8.3 pix Xpos X position (2) 16- 23 F8.3 pix Ypos Y position (2) 25- 30 F6.3 mag Vmag V magnitude 33- 37 F5.3 mag e_Vmag rms uncertainty on Vmag 39- 44 F6.3 mag B-V B-V colour index 47- 51 F5.3 mag e_B-V rms uncertainty on B-V -------------------------------------------------------------------------------- Note (1): Table 2: <Cl* NGC 1866 TFC ANNNNN> in Simbad Table 3: <Cl* NGC 1866 TFC BNNNN> in Simbad Note (2): The cluster center is located at pixel (520, 520). North is up and East is right. 1 pix = 0.363". -------------------------------------------------------------------------------- History: From AJ Electronic Edition, and OCR.
(End) James Marcout, Patricia Bauer [CDS] 25-Feb-2000
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