1995PASP..107..462G

Query : 1995PASP..107..462G

1995PASP..107..462G - Publ. Astron. Soc. Pac., 107, 462-468 (1995/May-0)

A diagnostic diagram for planetary nebulae and symbiotic stars.

GUTIERREZ-MORENO A., MORENO H. and CORTES G.

Abstract (from CDS):

A diagnostic diagram for separating planetary nebulae from symbiotic stars, based only on the relation between the [O III] lines at 5007 and 4363 A, is presented. It separates very well the two types of objects, as well as S- and D-type symbiotics. There is an intermediate region in which very young planetary nebulae seem to be located. The behavior of electron temperatures and densities in the diagram is studied. An analysis of some objects shows that many D-type symbiotics move in their region and also from D-type region towards that of young planetary nebulae, in such a way that it becomes difficult to separate these two kinds of objects.

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Journal keyword(s):

Simbad objects: 11

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Number of rows : 11
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* V471 Per EB* 01 58 49.6646558832 +52 53 48.462798552   14.06 13.08     G2Ib 183 1
2 EM* AS 201 PN 08 31 42.8828281680 -27 45 31.543524864   13 11.80     F9III 96 0
3 WRAY 16-147 Sy* 14 11 52.0604355768 -51 26 24.187122024     14.20     ~ 240 1
4 WRAY 16-148 Sy* 14 14 09.4115687736 -63 25 46.319333808   14.293 13.168 13.393   Me 141 1
5 HD 330036 PN 15 51 15.9290064932 -48 44 58.559111355   11.759 10.892 10.921   F5III-IVe 164 0
6 HD 149427 PN 16 37 42.7000495176 -55 42 26.393176260   12.75 11.23     ~ 108 0
7 PN M 3-27 PN 18 27 48.2638650624 +14 29 06.066648996           ~ 84 0
8 V* HM Sge Sy* 19 41 57.0795884928 +16 44 39.805863828   12.37 10.99 12.217   M7 461 0
9 EM* AS 373 Sy* 19 57 05.0166505224 +39 49 36.076143036     11.50   10.592 M6/8e 594 0
10 IC 4997 PN 20 20 08.7557973960 +16 43 53.698933380   11.94 11.15     [WC7/8] 555 0
11 PN Hb 12 PN 23 26 14.8236376464 +58 10 54.543292356   13.51 11.49 12.44   Oe 338 0

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