J/A+AS/132/211 Interstellar SiO sources (Harju+ 1998)
A survey of SiO emission towards interstellar masers.
I. SiO line characteristics.
Harju J., Lehtinen K., Booth R.S., Zinchenko I.
<Astron. Astrophys. Suppl. Ser. 132, 211 (1998)>
=1998A&AS..132..211H 1998A&AS..132..211H (SIMBAD/NED BibCode)
ADC_Keywords: Masers ; Infrared sources; Spectra, infrared ;
Keywords: stars: formation - ISM: clouds - ISM: jets and outflows -
ISM: molecules - radio lines: interstellar
Description:
The results of a survey of SiO emission using the 15-m SEST and the
20-m Onsala telescope are presented in two tables. The sample contains
altogether 369 objects including 270 H2O masers, 19 OH masers and 62
IRAS sources with colours typical for ultracompact HII regions. The
remaining target sources consist of dust continuum peaks a CS emission
peak near H2O masers (12) and Herbig-Haro objects (6). The entries are
arranged according to increasing right ascension.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
sest2-1.dat 188 184 Observed SiO J=2-1 line parameters, SEST
sest3-2.dat 188 184 Observed SiO J=3-2 line parameters, SEST
onsa2-1.dat 200 188 Observed SiO J=2-1 line parameters, Onsala
sestcat.dat 157 184 SEST source catalogue
onsacat.dat 171 189 Onsala source catalogue
fig/* . 16 SEST and Onsala spectra
tableb1.tex 125 2516 LaTeX version of SEST data
tableb1.ps 72 4525 Postscript version of SEST data
tableb2.tex 113 1746 LaTeX version of Onsala data
tableb2.ps 72 3260 Postscript version of Onsala data
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Byte-by-byte Description of file: sest2-1.dat sest3-2.dat onsa2-1.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- Source Source number
5- 19 A15 --- Name Source name
21- 22 I2 h RAh Right ascension (1950)
24- 25 I2 min RAm Right ascension (1950)
27- 30 F4.1 s RAs Right ascension (1950)
32 A1 --- DE- Declination sign
33- 34 I2 deg DEd Declination (1950)
36- 37 I2 arcmin DEm Declination (1950)
39- 40 I2 arcsec DEs Declination (1950)
42- 47 F6.2 deg GLON Galactic longitude
49- 54 F6.2 deg GLAT Galactic latitude
56- 60 F5.2 kpc Dist ? Distance
61 A1 --- r_Dist [abcefghi] Distance reference (G1)
62- 66 A5 --- Line SiO line (2-->1 or 3-->2)
68- 77 A10 --- FigFile Name of the figure with the spectrum in
subdirectory fig
79- 82 F4.2 K TA* ? Peak antenna temperature of the SiO line
84- 87 F4.2 K e_TA* ? rms uncertainty on TA*
89- 93 F5.1 km/s Vpeak ? Peak velocity
95-100 F6.1 km/s Vmin ? Minimum velocity
102-106 F5.1 km/s Vmax ? Maximum velocity
108-112 F5.1 km/s Vcen ? Centroid velocity (=(V_min + V_max)/2)
114-119 F6.2 km/s Vmean ? Intensity weighted average velocity
121-125 F5.2 km/s e_Vmean ? rms uncertainty on Vmean
127-131 F5.1 km/s FW ? Full width of the detected SiO line (2)
133-137 F5.2 km/s Width ? SiO line width (variance or the second moment)
139-142 F4.2 km/s e_Width ? rms uncertainty on Width
144-149 F6.2 K.km/s Area ? Integrated intensity of the SiO line
151-154 F4.2 K.km/s e_Area ? rms uncertainty on Area
156-159 F4.1 --- P ? Asymmetry parameter of the SiO line (3)
161-200 A40 --- Rem Remarks (G2)
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Note (2): FW = V_max - V_min
Note (3): P = 2*(V_peak - V_cen)/FW
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Byte-by-byte Description of file: sestcat.dat onsacat.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- Source Source number
5- 19 A15 --- Name Source name
21- 22 I2 h RAh Right ascension (1950)
24- 25 I2 min RAm Right ascension (1950)
27- 30 F4.1 s RAs Right ascension (1950)
32 A1 --- DE- Declination sign
33- 34 I2 deg DEd Declination (1950)
36- 37 I2 arcmin DEm Declination (1950)
39- 40 I2 arcsec DEs Declination (1950)
42- 47 F6.2 deg GLON Galactic longitude
49- 54 F6.2 deg GLAT Galactic latitude
56- 60 F5.2 kpc Dist ? Distance
61 A1 --- r_Dist [abcefghi] Distance reference (G1)
62- 66 A5 --- Cat Catalogue designation
68- 76 F9.2 Jy Fpeak ? Maximun flux density of the H2O maser (2)
78- 81 F4.2 Jy e_Fpeak ? rms uncertainty on Fpeak
83- 89 F7.2 km/s Vmaser ? Velocity of the strongest maser component
91- 95 F5.1 km/s Vmin ? Minimum velocity
97-101 F5.1 km/s Vmax ? Maximum velocity
103-107 F5.1 km/s Vcen ? Centroid velocity ((=(V_min + V_max)/2)
109-112 F4.1 km/s Vmean ? Intensity weighted average velocity
114-118 F5.1 km/s FW ? Full width of the maser emission feature (3)
120-128 F9.2 Jy.km/s S ? Integrated flux density of the maser line
130-134 F5.1 km/s Vcloud ? Velocity of the associated molecular cloud
136-137 I2 --- r_Vcloud ? [1/21] Cloud velocity reference (4)
139-171 A33 --- Rem Remarks (G2)
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Note (2): H2O maser or sometimes OH maser, in which case clearly indicated
Note (3): FW = V_max - V_min
Note (4): The cloud velocity refers usually to the velocity of the
associated dense core as estimated from CS data. When the latter has
not been available, a radial velocity determined from NH3 or CO
observations has been used.
If no molecular line measurements has been found in the literature we
have used for the kinematic distance estimate the peak radial velocity
of the SiO(J=2-1) line from the present survey or the peak velocity of
the associated maser. In this case, there is no velocity cloud data.
Cloud velocity references:
1: Bronfman et al. (1996, Cat. J/A+AS/115/81)
2: Plume et al. (1992ApJS...78..505P 1992ApJS...78..505P)
3: Molinari et al. (1996, cat. J/A+A/308/573)
4: Anglada et al. (1996ApJ...463..205A 1996ApJ...463..205A)
5: Zinchenko et al. (1995, Cat. J/A+AS/111/95)
6: Juvela (1996, Cat. J/A+AS/118/191)
7: Wouterloot & Brand (1989, Cat. J/A+AS/80/149)
8: Churchwell et al. (1990A&AS...83..119C 1990A&AS...83..119C)
9: Jenness et al. (1995MNRAS.276.1024J 1995MNRAS.276.1024J)
10: Wouterloot et al. (1988A&A...203..367W 1988A&A...203..367W)
11: Brand & Blitz (1993, Cat. J/A+A/275/67)
12: Fich et al. (1989ApJ...342..272F 1989ApJ...342..272F)
13: Lada et al. (1991ApJ...368..432L 1991ApJ...368..432L)
14: Haschick et al. (ApJ...265..281H)
15: Gardner & Whiteoak (1978MNRAS.183..711G 1978MNRAS.183..711G)
16: Codella & Felli (1995A&A...302..521C 1995A&A...302..521C)
17: Cesaroni et al. (1991A&A...252..278C 1991A&A...252..278C)
18: Joncas et al. (1992ApJ...387..591J 1992ApJ...387..591J)
19: Haschick et al. (1983ApJ...265..281H 1983ApJ...265..281H)
20: Clemens & Barvainis (1988ApJS...68..257C 1988ApJS...68..257C)
21: Zinchenko et al. (1994, Cat. J/A+A/288/601)
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Global Notes:
Note (G1): When no reference is given the distance is a kinematic distance
calculated from the cloud velocity by using the galactic rotation
curve determined by Brand & Blitz (1993, Cat. J/A+A/275/67) for
R0=8.5kpc and θ0=220km/s.
For sources in the first and fourth quadrants with a distance
ambiguity the near kinematic distance was assumed.
When no value is given when no solution has been found with the
kinematical model, nor any reference to a photometric distance.
Distance references:
a: Jenniskens & Wouterloot (1990A&A...227..553J 1990A&A...227..553J)
b: Brand & Blitz (1993, Cat. <J/A+A/275/67)
c: Avedisova & Palous (1989BAICz..40...42A 1989BAICz..40...42A)
d: Henning et al. (1990A&A...227..542H 1990A&A...227..542H)
e: Simpson & Rubin (1990ApJ...354..165S 1990ApJ...354..165S)
f: Cernicharo et al. (1985A&A...149..273C 1985A&A...149..273C)
g: Braz et al. (1990A&A...236..479B 1990A&A...236..479B)
h: Clemens & Barvainis (1988ApJS...68..257C 1988ApJS...68..257C)
i: Genzel & Downes (1977A&AS...30..145G 1977A&AS...30..145G)
Note (G2): References to other surveys and association with a known object
within 20 arcseconds. A reference is given without brackets if the
positional coincidence is better than 5 arcseconds, and in brackets
if the difference between the used coordinates is 5-20 arcseconds.
A: Anglada et al. (1996ApJ...463..205A 1996ApJ...463..205A)
Arc: Comoretto et al. (1990A&AS...84..179C 1990A&AS...84..179C),
Palagi et al. (1993, Cat. J/A+AS/101/153)
Brand et al. (1994, Cat. J/A+AS/103/541)
B&E: Braz & Epchtein (1983A&AS...54..167B 1983A&AS...54..167B)
B89: Braz et al. (1989A&AS...77..465B 1989A&AS...77..465B)
B90: Braz et al. (1990A&A...236..479B 1990A&A...236..479B)
Bro: Bronfman et al. (1996, , Cat. J/A+AS/115/81)
C: Churchwell et al. (1990A&AS...83..119C 1990A&AS...83..119C)
Cha: Chan et al. (1996, Cat. J/A+AS/115/285)
C95: Caswell et al. (1995MNRAS.277..210C 1995MNRAS.277..210C)
C96: Caswell (1996MNRAS.279...79C 1996MNRAS.279...79C)
CV95: Caswell & Vaile (1995MNRAS.273..328C 1995MNRAS.273..328C)
E: Ellingsen et al. (1996MNRAS.280..378E 1996MNRAS.280..378E)
G: Gaume & Mutel (1987ApJS...65..193G 1987ApJS...65..193G)
Gen: Gensheimer et al. (1996A&A...314..281G 1996A&A...314..281G)
H: Henning et al. (1992A&AS...93..525H 1992A&AS...93..525H)
Has: Haschick et al. (1983ApJ...265..281H 1983ApJ...265..281H)
Hof: Hofner & Churchwell (1996, Cat. J/A+AS/120/283)
J: Jenness et al. (1995MNRAS.276.1024J 1995MNRAS.276.1024J)
Juv: Juvela (1996, Cat. J/A+AS/118/191)
M: Molinari et al. (1996, Cat. J/A+A/308/573)
Mor: Moreira et al. (1995ApJ...454..850M 1995ApJ...454..850M)
Men: Menten (1991ApJ...380L..75M 1991ApJ...380L..75M)
P: Plume et al. (1992ApJS...78..505P 1992ApJS...78..505P)
Sca: Scalise et al. (1989A&A...221..105S 1989A&A...221..105S)
vdW: van der Walt et al. (1995, Cat. J/A+AS/110/81)
WB: Wouterloot & Brand (1989, Cat. J/A+AS/80/149)
W&W: Wouterloot & Walmsley (1986A&A...168..237W 1986A&A...168..237W)
Z94: Zinchenko et al. (1994, Cat. J/A+A/288/601)
Z95: Zinchenko et al. (1995, Cat. J/A+AS/111/95)
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Acknowledgements: Jorma Sakari Harju
(End) Patricia Bauer [CDS] 22-May-1998