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Astron. Astrophys. 338, L91-L94 (1998)

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Letter to the Editor

The identification of the star SPH 2 as a new WN4 star with strong CIV *

C.B. Pereira 1, M.A.D. Machado 2, S.J.C. Landaberry 1 and F. da Conceição 1

1 Observatório Nacional, Departamento de Astronomia Galáctica e Extra-Galáctica, Rua Gen. José Cristino, 77. CEP 20921-400. São Cristóvão. Rio de Janeiro-RJ, Brazil
2 Observatório Nacional, Departamento de Astrofísica, Rua Gen. José Cristino, 77. CEP 20921-400. São Cristóvão. Rio de Janeiro-RJ, Brazil

Received 2 June 1998 / Accepted 31 August 1998

Abstract

We report spectroscopic observations of a new Wolf-Rayet star not identified yet. This star is located in our Galaxy, in the Canis Majoris region and was discovered during a southern spectroscopic survey of stars previously identified as H[FORMULA] emission objects. The star, SPH 2, after Schwartz, Persson & Hamann (SPH) (1990), shows the main characteristics of a WN star and a strong CIV 5808 typical of a WC star. Here, we present some of the main spectroscopic features and discuss a possible subtype classification. We also present line intensities and equivalent widths of the identified transitions.

Key words: Wolf-Rayet: general – Wolf-Rayet: WN stars – emission line stars

* Based on observations made with the 1.52m telescope at the European Southern Observatory (La Silla, Chile) under the agreement with the CNPq-Observatório Nacional (Brazil).

Send offprint requests to: C.B. Pereira

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© European Southern Observatory (ESO) 1998

Online publication: September 17, 1998
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