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J/BaltA/18/141  North America/Pelican red clump giants ugriJHK (Straizys+, 2009)

Extinctions and distances of dark clouds from ugriJHK photometry of red clump giants: the North America and Pelican nebulae complex. Straizys V., Laugalys V. <Baltic Astron., 18, 141-159 (2009)> =2009BaltA..18..141S
ADC_Keywords: H II regions ; Stars, giant ; Photometry, infrared Keywords: ISM: dust clouds: individual (LDN 935) - stars: fundamental parameters (classification, colors) - photometric systems: 2MASS, IPHAS, MegaCam, Vilnius Abstract: A possibility of applying 2MASS J, H, Ks, IPHAS r, i and Mega-Cam u, g photometry of red giants for determining distances to dark clouds is investigated. Red clump giants with a small admixture of G5-K1 and M2-M3 stars of the giant branch can be isolated and used in determining distances to separate clouds or spiral arms. Interstellar extinctions of background red giants can be also used for mapping dust surface density in the cloud. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 66 104 Stars in the NAP area with photometric properties of red clump giants in the 2MASS, IPHAS (r, i) and MegaCam (u, g) systems.
See also: II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003) J/BaltA/15/483 : Vilnius photometry in LDN 935 (Laugalys+, 2006) J/BaltA/17/125 : Interstellar reddening in 3 HII regions (Straizys+, 2008) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Seq [1/104] Sequential number 4 A1 --- n_Seq [*] Note on [SL2009] (1) 6- 12 F7.3 deg RAdeg Right ascension in decimal degrees (J2000) 14- 19 F6.3 deg DEdeg Declination in decimal degrees (J2000) 21- 26 F6.3 mag Ksmag 2MASS Ks magnitude 28- 32 F5.3 mag J-H 2MASS J-H colour index 34- 38 F5.3 mag H-Ks H-Ks colour index 40- 44 F5.3 mag u-g MegaCam u-g colour index 46- 50 F5.3 mag g-r MegaCam-IPHAS g-r colour index 52- 56 F5.3 mag r-i IPHAS r-i colour index 58- 61 F4.2 mag AV ? Absorption in V-band 63- 66 F4.2 kpc Dist ? Distance
Note (1): 17 stars with the numbers flagged with asterisks probably have luminosities lower than those of RCGs. For these stars the extinction and distance values are not given.
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 27-Jul-2010
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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