J/A+A/405/627 Angular dimensions of 312 planetary nebulae (Tylenda+, 2003)
Angular dimension of planetary nebulae
Tylenda R., Siodmiak N., Gorny S.K., Corradi R.L.M., Schwarz H.E.
<Astron. Astrophys. 405, 627 (2003)>
=2003A&A...405..627T 2003A&A...405..627T
ADC_Keywords: Planetary nebulae
Keywords: planetary nebulae: general
Description:
We present the results of direct measurements done on Hα (or
Hα+[NII]) images of 312 planetary nebulae. For each planetary
nebulae deconvolved FWHM and resolution size from Gaussian fit and
from second-moment method and direct measurement at 10% level are
presented.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table1.dat 123 317 *Dimensions of 312 planetary nebulae
table2.dat 39 312 Nebular diameters (in arcsec)
--------------------------------------------------------------------------------
Note on table1.dat: There are 2 independent measurements from 2 images
for 6 planetary nebulae
--------------------------------------------------------------------------------
See also:
V/84 : Strasbourg-ESO Catalogue of Galactic Planetary Nebulae (Acker+, 1992)
Byte-by-byte Description of file: table1.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
2- 11 A10 --- PNG Planetary Nebula Name (see Cat. V/84)
15- 25 A11 --- Name usual name
29- 32 A4 --- Fig Number of a figure in original papers (1)
36- 39 F4.1 arcsec PhidGa ? Deconvolved FWHM from Gaussian fit
41 A1 --- --- [x]
42- 45 F4.1 arcsec PhidGb ? Deconvolved FWHM from Gaussian fit
46 A1 --- n_PhidGa [s] s: stellar
49- 51 F3.1 arcsec PhibGa ? Image resolution from Gaussian fit
53 A1 --- --- [x]
55- 57 F3.1 arcsec PhibGb ? Image resolution from Gaussian fit
61- 64 F4.1 arcsec Phidsma ? Deconvolved FWHM from second-moment method
66 A1 --- --- [x]
68- 71 F4.1 arcsec Phidsmb ? Deconvolved FWHM from second-moment method
75- 77 F3.1 arcsec Phibsma ? Image resolution from second-moment method
79 A1 --- --- [x]
81- 83 F3.1 arcsec Phibsmb ? Image resolution from second-moment method
87- 91 F5.1 arcsec lev0.1a 10%level of the peak surface brightness
93 A1 --- --- [x]
94- 99 F6.1 arcsec lev0.1b 10%level of the peak surface brightness
103-107 F5.1 arcsec 3siga ? 3sigma emission level above the background
109 A1 --- --- [x]
110-116 F7.1 arcsec 3sigb ? 3sigma emission level above the background
120-122 F3.1 % 3sigma ? Percentage of 3sigma level in the
peak surface brightness
--------------------------------------------------------------------------------
Note (1): Figure in original papers:
"s" stands for Schwarz et al. (1992A&AS..96..23S),
"g" for Gorny et al. (1999A&AS..136..145G 1999A&AS..136..145G).
Images of some objects have not been published
(those with no number of a figure)
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table2.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 10 A10 --- PNG Planetary Nebula Name (see Cat. V/84)
12- 22 A11 --- Name Main Name
24- 28 F5.1 arcsec Diam ? Diameter (1)
29 A1 --- u_Diam [:] : compact object for which the Gaussian
deconvolution resulted in a diameter
different by more than 30% from the
deconvolved 10% diameter
30 A1 --- --- [x]
32- 36 F5.1 arcsec Diamb ? Diameter
38 A1 --- n_Diam [s] s: stellar
--------------------------------------------------------------------------------
Note (1): In the case of partially resolved objects have
logPhi0.1d/Phib<0.3
only one value is given which is the geometric mean from the two
dimension measurements.
--------------------------------------------------------------------------------
Acknowledgements: Romuald Tylenda
References:
Schwarz et al., An atlas of images of Planetary Nebulae, 1992A&AS..96..23S
Gorny et al., A catalogue of narrow band images of planetary nebulae,
1999A&AS..136..145G 1999A&AS..136..145G
(End) Natasza Siodmiak [CAC], Patricia Bauer [CDS] 27-Jun-2003