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J/MNRAS/403/2041      Optical polarization in NGC 6124         (Vergne+, 2010)

Optical polarization observations in the Scorpius region: NGC 6124. Vergne M.M., Feinstein C., Martinez R., Orsatti A.M., Alvarez M.P. <Mon. Not. R. Astron. Soc., 403, 2041-2052 (2010)> =2010MNRAS.403.2041V
ADC_Keywords: Clusters, open ; Stars, bright ; Polarization Keywords: dust, extinction - open clusters and associations: individual: NGC 6124 Abstract: We have obtained optical multicolour (UBVRI) linear polarimetric data for 46 of the brightest stars in the area of the open cluster NGC 6124 in order to investigate the properties of the interstellar medium (ISM) that lies along the line of sight towards the cluster. Description: The linear optical polarimetry was obtained during several observing runs at the CASLEO in San Juan, Argentina, during 2003-2007. The Torino five-channel photopolarimeter was used on the 2.15-m telescope. All observations were obtained simultaneously through the five Johnson-Cousins broad-band UBVRI filters centred at λUeff=0.360um, λBeff=0.440um, λVeff=0.530um, λReff=0.690um and λIeff=0.830um. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 122 46 Polarimetric observations of stars in NGC 6124
Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 2 I2 --- Seq Star sequential number, NGC 6124 NN in Simbad 4 A1 --- Mm [mn] Membership code: member or non-member (membership from literature, see paper) 5- 6 A2 --- n_Seq [rg ] rg for red giant 7 A1 --- r_Seq [P] P: observed by Pedreros (1987AJ.....94.1237P) 9 A1 --- --- [U] Observed band 11- 14 F4.2 % Upol Percentage polarisation in U band 16- 19 F4.2 % e_Upol rms uncertainty on Upol 21- 25 F5.1 deg Upa Polarisation position angle in U band 27- 30 F4.1 deg e_Upa rms uncertainty on Upa 32 A1 --- --- [B] Observed band 34- 37 F4.2 % Bpol Percentage polarisation in B band 39- 42 F4.2 % e_Bpol rms uncertainty on Bpol 44- 48 F5.1 deg Bpa Polarisation position angle in B band 50- 53 F4.1 deg e_Bpa rms uncertainty on Bpa 55 A1 --- --- [V] Observed band 57- 60 F4.2 % Vpol Percentage polarisation in V band 62- 65 F4.2 % e_Vpol rms uncertainty on Vpol 67- 71 F5.1 deg Vpa Polarisation position angle in V band 73- 76 F4.1 deg e_Vpa rms uncertainty on Vpa 78 A1 --- --- [R] Observed band 80- 83 F4.2 % Rpol Percentage polarisation in R band 85- 88 F4.2 % e_Rpol rms uncertainty on Rpol 90- 94 F5.1 deg Rpa Polarisation position angle in R band 96- 99 F4.1 deg e_Rpa rms uncertainty on Rpa 101 A1 --- --- [I] Observed band 103-106 F4.2 % Ipol Percentage polarisation in I band 108-111 F4.2 % e_Ipol rms uncertainty on Ipol 113-117 F5.1 deg Ipa Polarisation position angle in I band 119-122 F4.1 deg e_Ipa rms uncertainty on Ipa
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 18-Oct-2010
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