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J/A+AS/108/485 PN distance scale (van de Steene+, 1994)
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On an alternative statistical distance scale for planetary nebulae. Catalog with
statistical distances to planetary nebulae.
van de Steene G.C.M., Zijlstra A.A.
<Astron. Astrophys. Suppl. Ser. 108, 485 (1994)>
=1994A&AS..108..485V (SIMBAD/NED Reference)
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ADC_Keywords: Nebulae, planetary
Keywords: planetary nebulae - catalogs
Abstract:
We have proposed a statistical method to determine distances to planetary
nebulae. The method is based on an empirical correlation between the
radio-continuum brightness temperature and radius. Here we present a
catalog of distance determinations calculated using this method.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 91 433 Catalog of distances to planetary nebulae
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Byte-by-byte Description of file: table1
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Bytes Format Units Label Explanations
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2- 11 A10 --- Name Nebula name
13- 21 A9 --- PK PK number
22- 28 F7.1 mJy F5GHz Radio flux at 5 GHz
30- 34 F5.1 arcsec D Angular diameter
37 I1 --- Ref References (1)
39- 45 F7.2 K Tb Brightness temperature
46- 49 F4.2 pc R Radius calculated using the proposed method
51 A1 --- l_Dist Limit flag on distance
52- 56 F5.2 kpc Dist Distance calculated using the proposed method
58- 62 F5.2 --- tau(CKS) Optical thickness parameter
68- 72 F5.2 --- log(mu) Ionised mass
74- 78 F5.3 pc Rad(CKS) Radius as obtained with the Cahn et al. (CKS)
calibration (2)
80- 84 F5.2 kpc Dist(CKS) Distance as obtained with the Cahn et al.
(CKS) calibration (2)
85- 90 F6.2 kpc Diff Difference between the distance determinations
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Note (1): (1) Pottasch S.R. 1984, "Planetary Nebulae" (Reidel, Dordrecht)
(2) Aaquist A. & Kwok S. 1990, A&AS 84, 229
(3) Zijlstra A.A. et al. 1989, A&AS 79, 329
(4) Milne D.K. & Aller L.H. 1975, A&A, 38, 183
(5) Milne D.K. 1979, A&AS 36, 227
(6) Roelfsema P.R. et al. 1991, A&AS 79, 329
Note (2): (CKS) Cahn J.H., Kaler J.B., Stanghellini L. 1992, A&AS 94, 399
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(End) Patricia Bauer [CDS] 26-Jul-1994