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J/A+AS/112/35       Emission lines from giant HII regions (Garcia Vargas+, 1995)
Predicted emission lines from giant HII regions ionized by aging star clusters
      GARCIA VARGAS M.L., BRESSAN A., DIAZ A.I.
     <Astron. Astrophys. Suppl. Ser. 112, 35 (1995)>
     =1995A&AS..112...35G       (SIMBAD/NED BibCode)
ADC_Keywords: H II regions; Spectroscopy

Keywords: HII regions - stars: evolution - galaxies: ISM


Description:
   We have computed theoretical models of the emission line spectra of giant
   extragalactic HII regions (GEHR) in which a single star cluster is assumed
   to be responsible for the ionization.  In this paper we present the
   synthetic emission line spectra of the ionized regions.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
tables           234      372   Tables 3-33
tables.tex       120     3044   Tables 3-33 in Latex version


Table 1a: Parameters of the synthetized star clusters
    ------------------------------------------------------------------------
    Total mass (in 105 solMass) = 0.12, 0.2, 0.4, 0.6*10+5
    Z                             = 0.001, 0.004, 0.008, 0.02 (solar), 0.05
    Ages (Myr)                    = 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.2, 5.4
    ------------------------------------------------------------------------

Table 1b: Input parameters for the computed photoionization models
   ----------------------------------------------------
   Table number    logr(cm)   ne  Z/Zsun log(He/H)
   ----------------------------------------------------
    3 -  6           20.840    10    0.05    -1.000
    7 - 10           20.840    10    0.20    -1.000
   11 - 14           20.840    10    0.40    -1.000
   15 - 18           20.840    10    1.00    -1.000
   19 - 22           20.840    10    2.50    -1.000
        23           20.340   100    1.00    -1.000
        24           20.840    10    2.50    -0.832
        25           20.715    10    0.05    -1.000
        26           20.539    10    0.05    -1.000
        27           20.363    10    0.05    -1.000
        28           20.715    10    0.20    -1.000
        29           20.539    10    0.20    -1.000
        30           20.363    10    0.20    -1.000
        31           20.715    10    0.40    -1.000
        32           20.539    10    0.40    -1.000
        33           20.363    10    0.40    -1.000
   ----------------------------------------------------

Table 2: Assumed solar abundances
   --------------------
   Zi    log(Zi/H)
   --------------------
    He      -1.000
     C      -3.328
     N      -4.009
     O      -3.081
    Ne      -3.959
    Mg      -5.585
    Al      -5.569
    Si      -5.398
     S      -4.782
    Ar      -5.201
    Ca      -5.638
    Fe      -5.796
   --------------------

Byte-by-byte Description of file: tables

   Bytes Format  Units   Label       Explanations

   1-  2  I2     ---     Table       [3/33]+= Table number
   4-  9  F6.3   [cm]    log(r)      Logarithm of cluster distance
  11- 13  I3     cm-3    Ne          Electron density
  15- 18  F4.2   ---     Z/Zsun      Composition relative to Sun
  20- 25  F6.3   ---     log(He/H)   Logarithm of Helium abundance
  27- 31  F5.3   ---     Z           Metallicity
  33- 36  F4.2 10+5solMass Mtot      Ionizing cluster total mass
  38- 40  F3.1   Myr     Age         Cluster Age
  42- 46  F5.2   [10-7W] log(Lbol)   Logarithm of the bolometric luminosity
  48- 52  F5.2   [10-7W] log(Llya)   Logarithm of the ionizing luminosity
  54- 58  F5.2   [ct/s]  log(Q(H))   Logarithm of the total ionizing
                                        photons per second (ν≥1Ryd)
  60- 63  F4.2   ---     Q(He)/Q(H)  Ratio between the helium ionizing
                                        photons and the total ionizing photons
  66- 69  F4.2   ---     Q(O)/Q(H)   Ratio between the O+ ionizing photons
                                        and the total ionizing photons
  72- 76  F5.2 [ct/s/solMass] logQ(mH)  Logarithm of the total ionizing photons
                                        per second and per solar mass
  78- 82  F5.2   ---     log(u)      Logarithm of the ionization parameter
                                        u=Q(H)/(4π*c*n(H)*r2)
  84- 88  F5.2   [10-7W] I(Halpha)   Logarithm of the intensity of H(α)
  90- 94  F5.2   [10-7W] I(Hbeta)    Logarithm of the intensity of H(β)
  96-102  F7.2   0.1nm   EW(Hbeta)   Equivalent width of Hβ
 104-108  F5.3   ---     I(3727)     Rel. intensity of [OII]  (372.7nm) (1)
 110-114  F5.3   ---     I(3869)     Rel. intensity of [NeIII](386.9nm) (1)
 116-120  F5.3   ---     I(4363)     Rel. intensity of [OIII] (436.3nm) (1)
 122-126  F5.3   ---     I(4471)     Rel. intensity of HeI    (447.1nm) (1)
 128-132  F5.3   ---     I(4686)     Rel. intensity of HeII   (468.6nm) (1)
 134-138  F5.3   ---     I(5007)     Rel. intensity of [OIII] (500.7nm) (1)
 140-144  F5.3   ---     I(5876)     Rel. intensity of HeI    (587.6nm) (1)
 146-150  F5.3   ---     I(6300)     Rel. intensity of [OI]   (630.0nm) (1)
 152-156  F5.3   ---     I(6584)     Rel. intensity of [NII]  (658.4nm) (1)
 158-162  F5.3   ---     I(6716)     Rel. intensity of [SII]  (671.6nm) (1)
 164-168  F5.3   ---     I(6731)     Rel. intensity of [SII]  (673.1nm) (1)
 170-174  F5.3   ---     I(9069)     Rel. intensity of [SIII] (906.9nm) (1)
 176-180  F5.3   ---     I(9532)     Rel. intensity of [SIII] (953.2nm) (1)
 182-186  F5.3   ---     I(9um)      Rel. intensity of [ArIII](9.0um)   (1)
 188-192  F5.3   ---     I(10.5um)   Rel. intensity of [SIV]  (10.5um)  (1)
 194-198  F5.3   ---     I(13um)     Rel. intensity of [NeII] (13um)    (1)
 200-204  F5.3   ---     I(22um)     Rel. intensity of [ArIII](22um)    (1)
 206-210  F5.3   ---     I(52um)     Rel. intensity of [OIII] (52um)    (1)
 212-216  F5.3   ---     I(57um)     Rel. intensity of [NIII] (57um)    (1)
 218-222  F5.3   ---     I(88um)     Rel. intensity of [OIII] (88um)    (1)
 224-228  F5.3   ---     I(158um)    Rel. intensity of [CII]  (158um)   (1)
 230-234  I5     K       Tp          Mean electron temperature, weighted by
                                        the H+ density

Note (1): Intensity relative to Hbeta (486.1nm)


(End)                                             Simona Mei [CDS]   23-Mar-1995