J/A+A/489/229 NIR photometry of IRAS 19410+2336 (Martin-Hernandez+, 2008)
Spatially resolved near-infrared spectroscopy of the massive star-forming
region IRAS 19410+2336.
Martin-Hernandez N.L., Bik A., Puga E., Nuernberger D.E.A., Bronfman L.
<Astron. Astrophys., 489, 229-243 (2008)>
=2008A&A...489..229M 2008A&A...489..229M
ADC_Keywords: H II regions ; Stars, early-type ; Photometry, infrared
Keywords: infrared: ISM - ISM: individual objects: IRAS 19410+2336 -
stars: formation - stars: early-type - ISM: jets and outflows
Abstract:
IRAS 19410+2336 is a young massive star forming region with an intense
outflow activity. Outflows are frequently studied in the near-infrared
(NIR) since the H2 emission in this wavelength range often traces
the shocked molecular gas. However, the mechanisms behind the H2
emission detected in IRAS 19410+2336 have not been clarified yet. We
present here spatially resolved NIR spectroscopy which allows us to
verify whether the H2 emission originates from thermal emission in
shock fronts or from fluorescence excitation by non-ionizing UV
photons. Moreover, NIR spectroscopy also offers the possibility of
studying the characteristics of the putative driving source(s) of the
H2 emission by the detection of photospheric and circumstellar
spectral features, and of the environmental conditions (e.g.
extinction).
We obtained long-slit, intermediate-resolution, NIR spectra of
IRAS 19410+2336 using LIRIS, the NIR imager/spectrographer mounted on
the 4.2m William Herschel Telescope. As a complement, we also obtained
J, H and Ks images with the Las Campanas 2.5m Du Pont Telescope, and
archival mid-infrared (MIR) Spitzer-images at 3.6, 4.5, 5.8 and 8.0um.
Description:
J, H and Ks images were taken with the Las Campanas 2.5m Du Pont
Telescope on 1996 May 26.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 104 110 Photometry towards IRAS 19410+2336
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- [MBP2008] Sequential number
5- 6 I2 h RAh Right ascension (J2000)
8- 9 I2 min RAm Right ascension (J2000)
11- 15 F5.2 s RAs Right ascension (J2000)
17 A1 --- DE- Declination sign (J2000)
18- 19 I2 deg DEd Declination (J2000)
21- 22 I2 arcmin DEm Declination (J2000)
24- 27 F4.1 arcsec DEs Declination (J2000)
29- 33 F5.2 mag Jmag ?=- J magnitude
35- 38 F4.2 mag e_Jmag ?=- rms uncertainty on Jmag
40- 44 F5.2 mag Hmag ?=- H magnitude
46- 49 F4.2 mag e_Hmag ?=- rms uncertainty on Hmag
51- 55 F5.2 mag Ksmag ?=- Ks magnitude
57- 60 F4.2 mag e_Ksmag ?=- rms uncertainty on Ksmag
62- 66 F5.2 mag [3.6] ?=- IRAC 3.6um magnitude
68- 71 F4.2 mag e_[3.6] ?=- rms uncertainty on [3.6]
73- 77 F5.2 mag [4.5] ?=- IRAC 4.5um magnitude
79- 82 F4.2 mag e_[4.5] ?=- rms uncertainty on [4.5]
84- 88 F5.2 mag [5.8] ?=- IRAC 5.8um magnitude
90- 93 F4.2 mag e_[5.8] ?=- rms uncertainty on [5.8]
95- 99 F5.2 mag [8.0] ?=- IRAC 8.0um magnitude
101-104 F4.2 mag e_[8.0] ?=- rms uncertainty on [8.0]
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History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 02-Oct-2008