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J/AJ/133/99    JHKs surface brightness of Galactic globular.   (Cohen+, 2007)

Integrated-light two micron all sky survey infrared photometry of Galactic globular clusters. Cohen J.G., Hsieh S., Metchev S., Djorgovski S.G., Malkan M. <Astron. J., 133, 99-121 (2007)> =2007AJ....133...99C
ADC_Keywords: Clusters, globular ; Photometry, infrared Keywords: galaxies: star clusters - globular clusters: general Abstract: We have mosaicked Two Micron All Sky Survey (2MASS) images to derive surface brightness profiles in J, H, and Ks for 104 Galactic globular clusters. We fit these with King profiles and show that the core radii are identical to within the errors for each of these IR colors and are identical to the core radii at V in essentially all cases. We derive integrated-light colors V-J, V-H, V-Ks, J-H, and J-Ks for these globular clusters. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 77 102 Parameters of the King profile fits for Galactic globular clusters
See also: VII/151 : Galactic Globular Clusters Structure Parameters (Webbink 1985) VII/202 : Globular Clusters in the Milky Way (Harris, 1997) II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003) J/AJ/109/218 : Catalogue of globular cluster profiles (Trager+ 1995) J/A+A/324/505 : Core velocity dispersions of globular clusters (Dubath+ 1997) J/A+A/391/945 : HST photometry of 74 galactic globular clusters (Piotto+, 2002) J/A+A/432/851 : Distance of 72 Galactic globular clusters (Recio-Blanco+, 2005) J/A+A/450/105 : Properties of 153 Galactic globular clusters (Bica+, 2006) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 9 A9 --- Name Object identification 11- 12 A2 --- CC Core-collapsed globular cluster? (1) 14- 18 F5.1 arcsec Vrc ? The V band core radius (2) 20 A1 --- f_Jrc [e] discrepancy for NGC 6266 (3) 22- 26 F5.1 arcsec Jrc The J band core radius 28- 31 F4.1 arcsec e_Jrc The 1σ error in Jrc 33- 37 F5.2 mag/arcsec2 VSB ? V band surface brightness from Harris (1996AJ....112.1487H, see Cat. VII/202) 39- 44 F6.1 arcsec-2 Ja0 The J band central surface brightness (4) 46- 51 F6.1 arcsec-2 e_Ja0 The 1σ error in Ja0 (4) 53- 58 F6.1 arcsec-2 Ha0 The H band central surface brightness (4) 60- 64 F5.1 arcsec-2 e_Ha0 The 1σ error in Ha0 (4) 66- 71 F6.1 arcsec-2 Ka0 The K band central surface brightness (4) 73- 77 F5.1 arcsec-2 e_Ka0 The 1σ error in Ka0 (4)
Note (1): Core-collapsed globular cluster code as follows: C = known core-collapsed globular cluster C? = known probable core-collapsed globular cluster Note (2): Preferentially from Trager, King & Djorgovski (1995, Cat. J/AJ/109/218), or from Harris (1996AJ....112.1487H). RcoreV from Harris (1996AJ....112.1487H) for all probable core-collapsed GCs. Note (3): Beccari et al. (2006AJ....131.2551B) give Vrad=19" for NGC 6266 and find that it is not a core-collapsed GC. Note (4): Values are given as measured, without reddening corrections. The JHK surface brightness values are in units of DN/arcsec2.
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 15-Nov-2008
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