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J/ApJ/566/880 ISO-SWS observations of H II regions (Giveon+, 2002)
The excitation and metallicity of galactic H II regions from Infrared Space Observatory SWS observations of mid-infrared fine-structure lines. Giveon U., Sternberg A., Lutz D., Feuchtgruber H., Pauldrach A.W.A. <Astrophys. J. 566, 880 (2002)> =2002ApJ...566..880G
ADC_Keywords: H II regions ; Magellanic Clouds ; Abundances, peculiar Mission_Name: ISO Keywords: galaxies: individual (M33) - Galaxy: abundances - Galaxy: stellar content - H II regions - Magellanic Clouds - stars: atmospheres Abstract: We present mid-infrared Infrared Space Observatory Short-Wavelength Spectrometer (ISO-SWS) observations of the fine-structure emissions lines [Ne II] 12.8µm, [Ne III] 15.6µm, [Ne III] 36.0µm, [Ar II] 6.99µm, [Ar III] 8.99µm, [S III] 18.7µm, [S III] 33.5µm, and [S IV] 10.5µm and the recombination lines Brα and Brβ n a sample of 112 Galactic H II regions and 37 nearby extra-Galactic H II regions in the LMC, SMC, and M33. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 144 112 Galactic HII regions data table56.dat 108 37 Magellanic Clouds and M33 H II Regions Data
See also: VII/20 : Catalogue of HII Regions (Sharpless 1959) VIII/58 : Radio H II regions survey in the Northern Sky (Lockman+ 1989) J/A+AS/31/439 : A Survey of HII Regions in M31 (Pellet+ 1978) J/A+AS/131/319 : HII regions catalogue (Petit+ 1998) J/ApJ/488/224 : 4.85 GHz fluxes of H II regions (Kuchar+ 1997) J/PASP/111/685 : HII regions of M33. II. (Hodge+, 1999) Table 1: IR fine-structure lines, which were measured in the spectra selected from the ISO archive, with their wavelengths, ionization potentials, and critical densities. -------------------------------------------------------------------------------- Line Wavelength Ionization Potential Critical Density µm eV cm-3 -------------------------------------------------------------------------------- Brα 4.05 Brβ 2.63 [Ar II] 6.99 27.63 4.17 x 105 [Ar III] 8.99 40.74 2.60 x 105 [Ne II] 12.81 40.96 7.00 x 105 [Ne III] 15.56 63.45 2.68 x 105 [Ne III] 36.01 63.45 5.50 x 104 [S III] 18.71 34.79 2.22 x 104 [S III] 33.48 34.79 7.04 x 103 [S IV] 10.51 47.22 5.39 x 104 Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 3 I3 --- [GSL2002] Sample source identification number 5- 28 A24 --- Name Source name 30- 31 I2 h RAh Hour of Right Ascension (J2000) 33- 34 I2 min RAm Minute of Right Ascension (J2000) 36- 39 F4.1 s RAs Second of Right Ascension (J2000) 41 A1 --- DE- Sign of the Declination (J2000) 42- 43 I2 deg DEd Degree of Declination (J2000) 45- 46 I2 arcmin DEm Arcminute of Declination (J2000) 48- 51 F4.1 arcsec DEs Arcsecond of Declination (J2000) 53- 56 F4.1 kpc RKin Kinematic distance (distance from Sun) 58- 61 F4.1 kpc RGal Galactocentric radius (see section 2.1.1) 63- 68 F6.1 km/s RV ? Source radial velocity 70- 71 A2 --- r_RV Reference for RV (1) 72 A1 --- n_RV [*] * = Indicates a distance ambiguity 74 A1 --- l_BrAlpha Limit flag on BrAlpha 75- 78 F4.1 10-19W/cm2 BrAlpha ? ISO-SWS Brα flux at 4.05µm (G1) 80 A1 --- l_BrBeta Limit flag on BrBeta 81- 84 F4.1 10-19W/cm2 BrBeta ? ISO-SWS Brβ flux at 2.63µm (G1) 86 A1 --- l_[ArII] Limit flag on [ArII] 87- 91 F5.1 10-19W/cm2 [ArII] ? ISO-SWS [ArII] 6.9µm flux (G1) 93 A1 --- l_[ArIII] Limit flag on [ArIII] 94- 98 F5.1 10-19W/cm2 [ArIII] ? ISO-SWS [ArIII] 8.9µm flux (G1) 100 A1 --- l_[NeII] Limit flag on [NeII] 101-105 F5.1 10-19W/cm2 [NeII] ISO-SWS [NeII] 12.8µm flux (G1) 107 A1 --- l_[NeIII]15 Limit flag on [NeIII15] 108-113 F6.1 10-19W/cm2 [NeIII]15 ? ISO-SWS [NeIII] 15.6µm flux (G1) 115 A1 --- l_[NeIII]36 Limit flag on [NeIII36] 116-121 F6.1 10-19W/cm2 [NeIII]36 ? ISO-SWS [NeIII] 36.0µm flux (G1) 123 A1 --- l_[SIII]18 Limit flag on [SIII18] 124-128 F5.1 10-19W/cm2 [SIII]18 ? ISO-SWS [SIII] 18.7µm flux (G1) 130 A1 --- l_[SIII]33 Limit flag on [SIII33 131-136 F6.1 10-19W/cm2 [SIII]33 ? ISO-SWS [SIII] 33.5µm flux (G1) 138 A1 --- l_[SIV] Limit flag on [SIV] 139-143 F5.1 10-19W/cm2 [SIV] ? ISO-SWS [SIV] 10.5µm flux (G1)
Note (1): References to Radial velocity: 1: Afflerbach et al. (1996ApJS..106..423A) 2: Blitz, Fich, & Stark (1982, Cat. VII/50) 3: Brand et al. (1984A&A...139..181B) 4: Braz & Epchtein (1983A&AS...54..167B) 5: Bronfman, Nyman, & May (1996, Cat. J/A+AS/115/81) 6: Caswell & Haynes (1987, Cat. J/A+A/171/261) 7: Caswell et al. (1989AuJPh..42..331C) 8: Churchwell, Walmsley, & Cesaroni (1990A&AS...83..119C) 9: Huang et al. (1999, Cat. J/ApJ/517/282) 10: Lang et al. (1999AJ....118.2327L) 11: Lockman (1989, Cat. VIII/58) 12: Shepherd & Churchwell (1996ApJ...457..267S) 13: Slysh et al. (1994MNRAS.268..464S) 14: Szymczak, Hrynek, & Kus (2000, Cat. J/A+AS/143/269) 15: Walsh et al. (1997, Cat. J/MNRAS/291/261) 16: Wink, Altenhoff, & Mezger (1982A&A...108..227W) 17: Wink, Wilson, & Bieging (1983A&A...127..211W) 18: Wouterloot & Brand (1989, Cat. J/A+AS/80/149)
Byte-by-byte Description of file: table56.dat
Bytes Format Units Label Explanations
1- 3 A3 --- Gal Region (LMC, SMC, or M33) 5- 7 I3 --- [GSL2002] Sample source identification number 9- 22 A14 --- Name Source name 25- 26 I2 h RAh Hour of Right Ascension (J2000) 28- 29 I2 min RAm Minute of Right Ascension (J2000) 31- 34 F4.1 s RAs Second of Right Ascension (J2000) 36 A1 --- DE- Sign of the Declination (J2000) 37- 38 I2 deg DEd Degree of Declination (J2000) 40- 41 I2 arcmin DEm Arcminute of Declination (J2000) 43- 46 F4.1 arcsec DEs Arcsecond of Declination (J2000) 48 A1 --- l_BrAlpha Limit flag on BrAlpha 49- 51 F3.1 10-19W/cm2 BrAlpha ? ISO-SWS Brα flux (G1) 53 A1 --- l_BrBeta Limit flag on BrBeta 54- 56 F3.1 10-19W/cm2 BrBeta ? ISO-SWS Brβ flux (G1) 58 A1 --- l_[ArII] Limit flag on [ArII] 59- 61 F3.1 10-19W/cm2 [ArII] ? ISO-SWS [ArII] 6.9µm flux (G1) 63 A1 --- l_[ArIII] Limit flag on [ArIII] 64- 66 F3.1 10-19W/cm2 [ArIII] ? ISO-SWS [ArIII] 8.9µm flux (G1) 68 A1 --- l_[NeII] Limit flag on [NeII] 69- 72 F4.1 10-19W/cm2 [NeII] ISO-SWS [NeII] 12.8µm flux (G1) 74 A1 --- l_[NeIII]15 Limit flag on [NeIII]15 75- 79 F5.1 10-19W/cm2 [NeIII]15 ? ISO-SWS [NeIII] 15.6µm flux (G1) 81 A1 --- l_[NeIII]36 Limit flag on [NeIII36] 82- 85 F4.1 10-19W/cm2 [NeIII]36 ? ISO-SWS [NeIII] 36.0µm flux (G1) 87 A1 --- l_[SIII]18 Limit flag on [SIII18] 88- 91 F4.1 10-19W/cm2 [SIII]18 ? ISO-SWS [SIII] 18.7µm flux (G1) 93 A1 --- l_[SIII]33 Limit flag on [SIII33] 94- 97 F4.1 10-19W/cm2 [SIII]33 ? ISO-SWS [SIII] 33.5µm flux (G1) 99-102 F4.1 10-19W/cm2 [SIV] ? ISO-SWS [SIV] 10.5µm flux (G1) 104-105 I2 arcmin Rad.m ? M33 angular galactocentric radius ('), only for M33 H II regions (1) 107-108 I2 arcsec Rad.s ? M33 angular galactocentric radius ("), only for M33 H II regions (1)
Note (1): Galactocentric radius is (Radm*60 + Rads), in arcseconds.
Global notes: Note (G1): Fluxes are in 10-16 erg/cm2/s; error is about 30%.
History: From electronic version of the journal * 04-Jun-2003: in table2, declination sign of RAFGL 5536 (actually -)
(End) Greg Schwarz [AAS], Patricia Bauer [CDS] 19-Apr-2002
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