J/A+A/365/90 NIR H lines in TTS (Folha+, 2001)
Near infrared hydrogen lines as diagnostic of accretion and winds in
T Tauri Stars
Folha D.F.M., Emerson J.P.
<Astron. Astrophys. 365, 90 (2001)>
=2001A&A...365...90F 2001A&A...365...90F
ADC_Keywords: Stars, pre-main sequence ; Radial velocities ; Spectra, infrared ;
Equivalent widths
Keywords: line: profiles - circumstellar matter - stars: formation -
stars: pre-main sequence - infrared: general - infrared: stars
Description:
Paschen β and/or Bracket γ emission line profiles were
obtained for a sample of 50 T Tauri stars mostly from the
Taurus-Auriga complex. The tables presented here contain the computed
line parameters of the observed line profiles.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
stars.dat 49 48 Star positions and magnitudes (from Simbad)
table4.dat 90 58 Paschen β (∼1.3um) line parameters
table5.dat 89 37 Brackett γ (∼2.2um) line parameters
table6.dat 45 13 Paschen β (∼1.3um) inverse P Cygni parameters
table7.dat 44 5 Brackett γ (∼2.2um) inverse P Cygni parameters
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Byte-by-byte Description of file: stars.dat
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Bytes Format Units Label Explanations
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1- 9 A9 --- Name Object name
15- 16 I2 h RAh Right ascension (J2000.0)
18- 19 I2 min RAm Right ascension (J2000.0)
21- 24 F4.1 s RAs Right ascension (J2000.0)
26 A1 --- DE- Declination sign (J2000.0)
27- 28 I2 deg DEd Declination (J2000.0)
30- 31 I2 arcmin DEm Declination (J2000.0)
33- 34 I2 arcsec DEs Declination (J2000.0)
38- 42 F5.2 mag Bmag ? B magnitude
44- 48 F5.2 mag Vmag ? V magnitude
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Byte-by-byte Description of file: table4.dat table5.dat
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Bytes Format Units Label Explanations
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1- 9 A9 --- Name Name of the source
11- 13 A3 --- n_Name Note on name (1)
14- 16 I3 km/s HRV Heliocentric radial velocity
18- 19 I2 km/s Vcal ? Uncertainty in velocity calibration
21- 23 I3 km/s FWHM ? Full Width at Half Maximum
25- 26 I2 km/s e_FWHM ? Uncertainty in FWHM
28- 30 I3 km/s HWZI ? Half Width at Zero Intensity
32- 34 I3 km/s e_HWZI ? Uncertainty in HWZI
36- 39 I4 km/s Vpeak ? Velocity of the line peak
41- 42 I2 km/s e_Vpeak ? Uncertainty in Vpeak
44- 47 I4 km/s Vblue ? Maximum velocity at blue wing
49- 51 I3 km/s e_Vblue ? Uncertainty in Vblue
53- 56 I4 km/s Vred ? Maximum velocity at red wing
58- 60 I3 km/s e_Vred ? Uncertainty in Vred
62- 67 F6.1 km/s EW Line equivalent width
69- 71 F3.1 km/s e_EW Uncertainty in EW
73- 78 F6.2 --- Af ? Ratio of EW blue wing to EW red wing
80- 84 F5.2 --- e_Af ? Uncertainty in Af
86- 89 F4.2 --- LC ? Line to continuum ratio at the peak
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Note (1): When a star was observed more than once a (0), (1) or (2) is
appended to its name:
(0)->UT9410
(1)->UT951215
(2)->UT951216
(3)->UT951217
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Byte-by-byte Description of file: table6.dat table7.dat
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Bytes Format Units Label Explanations
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1- 9 A9 --- Name Name of the source
11- 16 F6.1 km/s EWem Equivalent width of emission component
18- 20 F3.1 km/s e_EWem Uncertainty in EWem
22- 25 F4.1 km/s EWabs Equivalent width of absorption component
27- 29 F3.1 km/s e_EWabs Uncertainty in EWabs
31- 33 I3 km/s Vabs Central velocity of the absorption feature
35- 38 F4.2 --- LC Line to continuum ratio at bottom of absorption
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Acknowledgements: Daniel F.M. Folha
(End) Daniel F.M. Folha [CAUP], Patricia Bauer [CDS] 28-Nov-2000