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J/MNRAS/310/982 UBVI CCD Photometry of M11 - II. (Sung+ 1999)
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UBVI CCD Photometry of M11 - II. New Photometry and surface density profiles
Sung H., Bessell M.S., Lee H.-W., Kang Y.H., Lee S.-W.
<Mon. Not. R. Astron. Soc. 310, 982 (1999)>
=1999MNRAS.310..982S
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ADC_Keywords: Clusters, open; HR diagrams; Photometry, UBVRI
Keywords: stars: evolution; Hertzsprung-Russell (HR) diagram;
stars: luminosity function, mass function;
open clusters and associations: individual: M11 (NGC 6705)
Description:
This directory contains Johnson-Cousins UBVI photometric data
for M11 (NGC 6705) and a neighboring field (around PN G027.4-03.5).
The photometric data for M11 are tightly matched to the SAAO E-region
standard system (Menzies et al. 1989, SAAO Circ., 13, 1; Menzies
et al. 1991, MNRAS, 248, 642; Kilkenny et al. 1998, MNRAS, 294,
93). For the PN G027.4-03.5 region, the standard system of Landolt
(1992, AJ, 104, 340) was used and small systematic difference in
photometry between the two tables may be present, in particular in (U-B).
Table 2 contains UBVI data for 14,179 stars brighter than V = 17mag in
M11 (about 40arcmin x 40arcmin region). The star numbers and proper
motion memberships by McNamara et al. (1977, A&AS, 27, 117) and Su et al.
(1998, A&AS, 128, 255) are also identified and included. Table 3 contains
UBVI data for 3,676 stars around PN G027.4-03.5.
Objects:
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RA (2000) DE Name(s)
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18 51 4 -06 16.5 M11(NGC 6705)
18 53 44 -06 28.7 Scutum Cloud
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 107 14179 Photometric data for M11
table3.dat 83 3676 Photometric data for PN G027.4-03.5
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- ID running number
8- 14 F7.3 arcmin del_RA delta RA relative to RA_center
16- 22 F7.3 arcmin del_DC delta DC relative to Dec_center
24- 29 F6.3 mag Vmag V magnitude
31- 36 F6.3 mag V-I V-I color (Cousins I system)
38- 43 F6.3 mag B-V B-V color
45- 50 F6.3 mag U-B U-B color
52- 57 F6.3 mag e_Vmag error in V magnitude
59- 63 F5.3 mag e_V-I error in V-I
65- 69 F5.3 mag e_B-V error in B-V
71- 75 F5.3 mag e_U-B error in U-B
77- 78 I2 --- o_Vmag number of obs in V magnitude
80- 81 I2 --- o_V-I number of obs in V-I
83- 84 I2 --- o_B-V number of obs in B-V
86- 87 I2 --- o_U-B number of obs in U-B
89- 92 I4 --- MPS ?ID of McNamara et al.
(1977A&AS...27..117M)
93 A1 --- Md *? [AB] Duplicity
94 A1 --- pmgrp *? [abc] proper motion quality group of
McNamara et al.(1977A&AS...27..117M)
95- 98 F4.2 % Mprob ?membership probability from McNamara et al.
(1977A&AS...27..117M)
100-102 I3 --- SZT ?ID of Su et al.(1998A&AS..128..255S)
103 A1 --- Sd *? [AB] Duplicity Su et al.
(1998A&AS..128..255S)
104-107 F4.2 % Sprob ?membership probability from Su et al.
(1998A&AS..128..255S)
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Note on Md, Sd: (single in McNamara et al. or Su et al., but double in
photometry)
A for brighter component
B for fainter component
Note on pmgrp:
a: group 1
b: group 2
c: group 3
Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- ID running number
8- 14 F7.3 arcmin del_RA delta RA relative to RA_center
16- 22 F7.3 arcmin del_DC delta DC relative to Dec_center
24- 29 F6.3 mag Vmag V magnitude
31- 36 F6.3 mag V-I V-I color (Cousins I system)
38- 43 F6.3 mag B-V B-V color
45- 50 F6.3 mag U-B U-B color
52- 57 F6.3 mag e_Vmag error in V magnitude
59- 63 F5.3 mag e_V-I error in V-I
65- 69 F5.3 mag e_B-V error in B-V
71- 75 F5.3 mag e_U-B error in U-B
77 I1 --- o_Vmag number of obs in V magnitude
79 I1 --- o_V-I number of obs in V-I
81 I1 --- o_B-V number of obs in B-V
83 I1 --- o_U-B number of obs in U-B
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Acknowledgements: Hwankyung Sung <sungh@boao.re.kr>
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(End) Gail L. Schneider [SSDOO/ADC] 8-Mar-2000