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| dc.contributor.author | Surendiranath, R | |
| dc.contributor.author | Kameswara Rao, N | |
| dc.date.accessioned | 2008-07-09T08:06:06Z | |
| dc.date.available | 2008-07-09T08:06:06Z | |
| dc.date.issued | 1995-08 | |
| dc.identifier.citation | Monthly Notices of the Royal Astronomical Society, Vol. 275, No. 3, pp. 685 - 698 | en |
| dc.identifier.issn | 0035-8711 | |
| dc.identifier.uri | http://hdl.handle.net/2248/2592 | |
| dc.description.abstract | A photoionization code has been developed incorporating provision for the presence of dust mixed with gas. M4-18 has been modelled utilizing optical CCD spectra and other observations ranging from UV to radio wavelengths. T_e and N_e from the model are 6600K and 6050 cm^-3, respectively. The abundances of C, N and Ne are found to be the same as the solar values while O is overabundant by a factor of two and S is lower than the solar value by ~90 per cent. A mono-sized amorphous carbon grain dust model explains the IRAS fluxes satisfactorily but emits poorly in the 1- to 10-μm region. M4-18 is a protoplanetary nebula with properties similar to CPD - 56 deg8032 and V348 Sgr. | en |
| dc.format.extent | 1731502 bytes | |
| dc.format.mimetype | application/pdf | |
| dc.language.iso | en | en |
| dc.publisher | Blackwell Publishing | en |
| dc.relation.uri | http://adsabs.harvard.edu/abs/1995MNRAS.275..685S | en |
| dc.subject | Radiative Transfer | en |
| dc.subject | Stars: Wolf-Rayet | en |
| dc.subject | Dust | en |
| dc.subject | Extinction | en |
| dc.subject | Planetary Nebulae: Individual: M4-18 | en |
| dc.subject | Infrared: Ism: Continuum | en |
| dc.title | A photoionization model of the nebula around the WC11 star M4-18 | en |
| dc.type | Article | en |
