J/AJ/139/1066 X-ray view of NGC 2403 central region (Yukita+, 2010)
An X-ray view of star formation in the central 3 kpc of NGC 2403.
Yukita M., Swartz D.A., Tennant A.F., Soria R.
<Astron. J., 139, 1066-1088 (2010)>
=2010AJ....139.1066Y 2010AJ....139.1066Y
ADC_Keywords: Galaxies, nearby; X-ray sources; Supernova remnants; H II regions;
Photometry, ultraviolet ; Photometry, millimetric/submm
Keywords: galaxies: evolution - galaxies: individual (NGC 2403) -
galaxies: nuclei - X-rays: galaxies
Abstract:
Archival Chandra observations are used to study the X-ray emission
associated with star formation in the central region of the nearby
SAB(s)cd galaxy NGC 2403. The distribution of X-ray emission is
compared to the morphology visible at other wavelengths using
complementary Spitzer, Galaxy Evolution Explorer, and ground-based
Hα imagery.
Description:
NGC 2403 was observed in full-frame mode with Chandra ACIS-S on four
occasions for a total of ∼180ks, on 2001 Apr 17, 2004 Aug 13, Oct 03
and Dec 22.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 56 58 X-ray point sources
table5.dat 54 24 Supernova remnants (SNRs)
table7.dat 54 47 HII regions
table9.dat 96 19 Luminosities and sizes of 19 star-forming regions
table10.dat 67 19 Derived values of 19 star-forming regions
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See also:
J/A+AS/125/293 : NGC 2366, NGC 2403 + NGC 4236 HK' photometry (Pierini+ 1997)
Byte-by-byte Description of file: table2.dat table5.dat table7.dat
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Bytes Format Units Label Explanations
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1- 2 I2 h RAh Right ascension (J2000)
4- 5 I2 min RAm Right ascension (J2000)
7- 10 F4.1 s RAs Right ascension (J2000)
12 A1 --- DE- Declination sign (J2000)
13- 14 I2 deg DEd Declination (J2000)
16- 17 I2 arcmin DEm Declination (J2000)
19- 22 F4.1 arcsec DEs Declination (J2000)
24- 30 F7.2 10-4ct/s CRate Count rates for ASIC-S3, in 0.5-2.0keV band
32- 36 F5.2 10-4ct/s e_CRate rms uncertainty on CRate
38- 43 F6.2 10+29W LX X-ray luminosity in 0.5-2.0 keV band (1)
45- 48 F4.2 10+29W e_LX rms uncertainty on LX
50- 54 F5.1 10+30W LHa ? Hα Luminosity (1037erg/s, table5)
55- 56 A2 --- Var [L S] Short- and/or Long-term variability
(table2 only)
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Note (1): LX in 1036erg/s.
* For X-ray points source (table3), LX is computed using the
bremsstrahlung model obtained from Table 3 (see the text).
* For SNRs (table5), LX is computed using the one-temperature model with
variable NH model as listed in Table 4 (see text).
* For H II Regions (table7), LX is computed using the two-temperature
model with the variable NH model listed in Table 6.
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Byte-by-byte Description of file: table9.dat
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Bytes Format Units Label Explanations
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1- 2 A2 --- --- [SF]
4- 19 A16 --- SF Source name (JHHMMSS.s+DDMMSS),
<[YST2010] SF JHHMMSS.s+DDMMSS> in Simbad
21- 25 F5.1 10+32W LFUV FUV luminosity in 1039erg/s (1)
27- 29 F3.1 10+32W e_LFUV rms uncertainty on LFUV
31- 33 F3.1 arcsec RFUV FUV radius
35- 39 F5.1 10+32W LNUV NUV luminosity in 1039erg/s (1)
41- 43 F3.1 10+32W e_LNUV rms uncertainty on LNUV
45- 48 F4.1 10+31W L3.6 3.6um luminosity in 1038erg/s
50- 52 F3.1 10+31W e_L3.6 rms uncertainty on L3.6
54- 57 F4.1 10+31W L4.5 4.5um luminosity in 1038erg/s
59- 61 F3.1 10+31W e_L4.5 rms uncertainty on L4.5
63- 67 F5.1 10+32W L24 24um luminosity in 1039erg/s
69- 71 F3.1 10+32W e_L24 rms uncertainty on L24
73- 76 F4.1 arcsec R24 24um radius
78- 81 F4.1 10+31W LHa Hα luminosity in 1038erg/s (1)
83- 86 F4.1 arcsec RHa Hα radius
88- 91 F4.1 10+28W LX X-ray luminosity in 1035erg/s
93- 96 F4.1 10+28W e_LX rms uncertainty on LX
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Note (1): FUV, NUV, and Hα luminosities are Galactic extinction corrected.
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Byte-by-byte Description of file: table10.dat
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Bytes Format Units Label Explanations
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1- 2 A2 --- --- [SF]
4- 19 A16 --- SF Source name (JHHMMSS.s+DDMMSS),
21- 24 F4.1 10+5Msun Mass Mass of region
26- 27 I2 Myr Age Age
29- 32 F4.2 mag AV Absorption in V band
34- 36 F3.1 10+21cm-2 NH H column density (1)
38- 41 F4.1 10+31W LW Mechanical luminosity in 1038erg/s (2)
43- 47 F5.1 10+32W LFUVi Integrated FUV luminosity in 1039erg/s
49- 51 F3.1 10+32W e_LFUVi rms uncertainty on LFUVi
53- 56 F4.1 10+32W LHai Integrated Hα luminosity in 1039erg/s
58- 62 F5.1 10+28W LXi Integrated X -ray luminosity in 1035erg/s
64- 67 F4.1 10+28W e_LXi rms uncertainty on LXi
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Note (1): Listed NH values include a Galactic component of NH=0.4x1021cm-2.
Note (2): under assumption of a constant energy injection rate.
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History:
* 05-Jun-2012: From electronic version of the journal
* 19-Jun-2012: Corrections (factor 10) for CRate and LX values of
tables 5 and 7 (CDS error).
(End) Patricia Vannier [CDS] 17-May-2012