ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] We have obtained a good quality spectrum of the candidate object3 (Fig. 1) on the night of 9 May 1983 UT, using CRYOCAM charge coupled device (CCD) spectrograph on the Kitt Peak 4-m telescope. Very heavy extinction is evident. We have clearly detected Ha in absorption, but the sodium D lines are ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/306569a0