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1992ApJS...80..211Helfand+
Compact Radio Sources near the Galactic Plane
HELFAND D.J., ZOONEMATKERMANI S., BECKER R.H., WHITE R.L.
Astrophys. J. Suppl. 80, 211 (1992)
Abstract
The results of our extension of the 20cm Galactic plane survey reported by
Zoonematkermani and coworkers to Galactic latitudes of +-1.8 deg over the
central region of the Milky Way (-10 deg <= l <= 40 deg) are reported.
We catalog 1457 new discrete radio sources down to flux densities
of <=5 mJy an are 95% complete at 20 mJy. A detailed comparison of
all radio sources from our complete survey in this longitude range
with the IRAS Point Source Catalog proveds classification for 13%
of the objects, including 159 compact HII regions, and nearly 100
planetary nebulae over 70 of which are newly identified. We comment
briefly on the identity of the remaining radio sources and on the
importance of our 6cm survey, currently underway, in defining the
radio source population of the Galaxy.
Keywords: HII regions-planetary nebulae: general-radio continuum: galaxies-
-surveys
File Summary:
------------------------------------------------------------------------
File Name Lrecl Records Explanations
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ReadMe 80 . this file
table1 77 1485 compact radio sources near Galactic plane
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Byte-per-byte Description of file: table1
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Bytes Format Unit Label Explanation
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1- 13 A13 --- NAME IAUname in format lll.lll+b.bbb
16- 17 I2 h RAh [0,24[ Right ascension (B1950)
19- 20 I2 min RAm [0,60[ Right ascension (minutes)
22- 26 F5.2 s RAs [0,60[ Right ascension (seconds)
28 A1 . DE- Declination sign (B1950)
29- 30 I2 deg DEd [0,90] Declination (B1950)(degrees)
32- 33 I2 arcmin DEm [0,60[ Declination (minutes)
35- 38 F4.1 arcsec DEs [0,60[ Declination (seconds)
41- 47 F7.1 mJy Speak peak 1490 MHz flux (1)
49- 55 F7.1 mJy Sint integrated 1490 MHz flux (1)
63- 67 F5.1 arcsec diam source diameter (2)
68- 77 A10 --- NOTE notes (3)
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Notes:
- (1) The values of Speak and Sint have been corrected forr the loss of
sensitivity of the primary beam of the antennas away from the field
centre.
- (2) The quoted diameters are the mean of the best-fit FWHM of the major and
minor axes of the sources as determined by the Gaussian fits. Values of
'0.0' were replaced by blank entries at CDS.
- (3) Unfortunately the published notes were not provided with the electronic
version.
History:
The files were provided courtesy R.H. Becker to H. Andernach. It was
numbered R105 in H.A.'s "List of Astronomical Catalogues and Documents not
available from NASA-ADC but kindly provided on request by various authors".
The electronic version contained 28 more sources (1485) than the published
one (1457), but did not contain the comment column.
Heinz Andernach [CDS] 07-Mar-1994