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Spectroscopy of the optical counterpart to Ser X-1

Abstract:

We present William Herschel Telescope (WHT) and Very Large Telescope (VLT) spectroscopy of MM Ser, the optical counterpart to Ser X-1. We deblend the red spectra of the two close stars identified by Wachter and show that the brighter of the two is responsible for the Hα and He I emission, hence confirming that this is the true counterpart of the X-ray source. We also identify several He II and N III lines in the blue spectrum. The isolated emission lines are all remarkably narrow, with FWHM 2...

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Publication status:
Published

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Authors


Charles, PA More by this author
van Zyl, L More by this author
Steeghs, D More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
348
Issue:
1
Pages:
100-104
Publication date:
2004-02-11
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:ebf1c3a3-dff3-42c1-86c2-b3f783a8734f
Source identifiers:
361991
Local pid:
pubs:361991

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