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J/AJ/92/787 Outer galaxy VLA survey (Fich 1986)
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A complete VLA survey in the outer galaxy.
Fich M.
<Astron. J. 92, 787 (1986)>
=1986AJ.....92..787F (SIMBAD/NED BibCode)
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ADC_Keywords: Radio sources ; Radio lines ; H II regions
Abstract:
The VLA has been used to make a "snapshot" survey of all radio
continuum sources stronger than 0.3Jy at 21cm, smaller than 2arcmin,
and in the area in the sky defined by l=93{deg} to 163{deg}, b=-4{deg}
to +4{deg}. These objects were observed at 6 cm with a resolution of 4
arcsec and a sensitivity of 1mJy. A second set of observations were
carried out to determine the spectral indices of all objects not
resolved in the 6 cm survey. These objects were observed at a
wavelength of 2cm with resolution and sensitivity similar to the 6cm
survey. The purpose of this study was to identify objects within the
disk of the outer parts of our galaxy. It is shown that the current
lists of identified H II regions in this area are better than ~70%
complete for H II regions in the Perseus arm or closer. The only
supernova remnants remaining to be discovered in this field are either
extremely young, and therefore possibly radio quiet, or they are among
those objects too extended to be observed at the VLA in this survey
(i.e., greater than 2arcmin in diameter).
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 112 327 Catalog of radio sources
notes.dat 80 84 Indiviudal notes (for KR objects only)
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See also:
VII/20 : Catalogue of HII Regions (Sharpless 1959)
VII/50 : CO Radial Velocities Toward Galactic H II Regions (Blitz+ 1982)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 7 A7 --- Name Source designation (1)
9- 14 F6.2 deg GLON Galactic longitude
16- 20 F5.2 deg GLAT Galactic latitude
22- 23 I2 h RAh Right ascension (1950)
25- 26 I2 min RAm Right ascension (1950)
28- 31 F4.1 s RAs Right ascension (1950)
33 A1 --- DE- Declination sign
34- 35 I2 deg DEd Declination (1950)
37- 38 I2 arcmin DEm Declination (1950)
40- 43 F4.1 arcsec DEs Declination (1950)
45- 48 F4.1 Jy S1.42GHzp ? Peak 1.42GHz flux
50- 53 F4.1 Jy S1.42GHz ? Total 1.42GHz flux
54 A1 --- n_S1.42GHz [ecnvw] Note on S1.42GHz (2)
56- 59 I4 mJy S4.89GHzp ? Peak 4.89GHz flux
61- 64 I4 mJy S4.89GHz ? Total 4.89GHz flux
65 A1 --- n_S4.89GHz [*] Note on S4.89GHz (2) (4)
67- 70 I4 mJy S14.96GHzp ? Peak 14.96GHz flux
72- 75 I4 mJy S14.96GHz ? Total 14.96GHz flux
76 A1 --- n_S14.96GHz [ob] Note on S14.96GHz (2)
78- 81 F4.1 --- SI ? Spectral index between 4.89 and 14.96 GHz.
82-112 A31 --- Com Comments (3)
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Note (1): KR refers to Kallas & Reich (1980A&AS...42..227K)
S refers to Sharpless (1959, Cat. <VII/20>)
W refers to Westerhout (1958BAN....14..215W)
SNR refers to an unnamed supernova remnant
Note (2): n: no detection,
c: confused,
v: very strong,confused,
w: very weak
o: outside of 2cm field,
b: observed wrong position
e: flux estimated from maps,
else from Kallas & Reich (1980A&AS...42..227K) catalog
Note (3): Comments, including other names for the object (BFS refers to the
catalog of Blitz et al., 1982, Cat. <VII/50>)
and details about the structure seen, size scales, and type of
object (e.g., HII means H II region). If no size is given, the
object was not resolved.
Note (4): *: a correction has been applied. The 4.89GHz fluxes have been
corrected for primary-beam attenuation (PBAF) and
bandwidth smearing (BWSAF) as follow:
KR22 : PBAF = 1.83, BWSAF = 2.3
KR71 B: PBAF = 1.21, BWSAF = 1.33
KR71 C: PBAF = 1.18, BWSAF = 1.28
KR71 D: PBAF = 1.14, BWSAF = 1.22
S167 : confused with Cas A SNR
KR93 B: PBAF = 2.13, BWSAF = 2.83
KR100 : PBAF = 1.25, BWSAF = 1.39
KR128 : PBAF = 1.14, BWSAF = 1.22
KR147A: PBAF = 1.25, BWSAF = 1.40
KR147B: PBAF = 2.04, BWSAF = 2.70
KR155 : PBAF = 1.12, BWSAF = 1.19, 2 jets and halo, ext 90"x30"
KR178 : PBAF = 1.15, BWSAF = 1.24
KR186 : core + 2 jets, 35"x10"
KR193 : PBAF = 1.12, BWSAF = 1.17
KR204 : can not separate two components at 2cm
KR212 : PBAF = 1.13, BWSAF = 1.18, over-resolved, see text
KR221 : PBAF = 1.28, BWSAF = 1.44
KR228 : PBAF = 1.57, BWSAF = 1.91, flux missing
KR235A: PBAF = 1.15, BWSAF = 1.22
KR235B: PBAF = 1.25, BWSAF = 1.39
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Byte-by-byte Description of file: notes.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- Name Object name
8- 80 A73 --- Note Text of the note
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History:
* December 1998: Prepared via OCR at CDS. Proof-read and corrections by
Heinz Andernach (heinz@astro.ugto.mx)
Misprint: HB 3: Declination changed from +62 77 39.0 to +62 17 39.0
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(End) James Marcout, Patricia Bauer [CDS] 19-Dec-1998