J/A+A/419/999 Infrared knots along protostellar jets (Giannini+, 2004)
On the excitation of the infrared knots along protostellar jets.
Giannini T., McCoey C., Caratti o Garatti A., Nisini B., Lorenzetti D.,
Flower D.
<Astron. Astrophys., 419, 999 (2004)>
=2004A&A...419..999G 2004A&A...419..999G
ADC_Keywords: Interstellar medium ; Infrared sources ; Molecular clouds ; YSOs
Keywords: stars: circumstellar matter - infrared: ISM -
ISM: Herbig-Haro objects - ISM: jets and outflows - shock waves
Description:
We present the near infrared spectra (0.9-2.5 micron) of protostellar
jets (HH 24-26, HH72, BHR71). The observations were carried out with
Sofi at R∼600 with the 1x290arcsec slit. The spectra are dominated by H2
rovibrational lines (v up 5). Faint emission from ionized material in
form of [FeII] and [SII] lines is also recognizable. The tables
contain the observed lines together with the measured flux. The
reported error derives from the rms of the baseline, multiplied by the
width of the instrumental profile (30 Angstrom).
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
object.dat 35 26 Jet positions (from Simbad)
table1.dat 96 182 Observed lines in HH24A, HH25A-D and HH26A-D
table2.dat 95 209 Observed lines in HH72A-B, HH72D-Z
table3.dat 121 372 Observed lines in HH320A/B, HH321A/B and
BHR71 H2 knots
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Byte-by-byte Description of file: object.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- Name Protostellar jet name
16- 17 I2 h RAh Right ascension (J2000.0)
19- 20 I2 min RAm Right ascension (J2000.0)
22- 25 F4.1 s RAs Right ascension (J2000.0)
27 A1 --- DE- Declination sign (J2000.0)
28- 29 I2 deg DEd Declination (J2000.0)
31- 32 I2 arcmin DEm Declination (J2000.0)
34- 35 I2 arcsec DEs Declination (J2000.0)
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Byte-by-byte Description of file: table1.dat table2.dat table3.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- Name Protostellar jet name
7- 14 A8 --- Knot Part of jet designation
16- 60 A45 --- Term Spectroscopic identification
62- 66 F5.3 um lambda Vacuum wavelength
67 A1 --- --- [-]
68- 72 F5.3 um lambda2 ? Vacuum wavelength
73 A1 --- --- [-]
74- 78 F5.3 um lambda3 ? Vacuum wavelength
79- 84 F6.2 10-14mW/m+2 Flux Observed flux (10-14erg/cm2/s)
86- 89 F4.2 10-14mW/m+2 e_Flux Flux Error
90 A1 --- Note [a-g] Notes (1)
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Note (1): Note on lines:
a: Signal to noise ratio between 2 and 3
b: Blended with H2 3-1S(2)
c: Blended with H2 4-2S(2))
d: Blended with [SI]1D2-3P2 (1.082 micron) and HeI 1.083 micron
e: FWHM is smaller than the width of the instrumental profile by
about a factor of 2
f: Blended with H2 2-0Q(5)
g: Blended with H2 2-0O(9)
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Acknowledgements: Teresa Giannini
References:
Yun et al., H2 Imaging of Sandqvist 136 (BHR 71) 1997ApJ...479L..71Y 1997ApJ...479L..71Y
(End) Patricia Vannier [CDS] 20-Jan-2004