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Titolo:
Spectroscopy of white dwarf candidates from the ESO Imaging Survey (EIS-WIDE)
Autore:
Koester, D; Wolff, B;
Indirizzi:
Univ Kiel, Inst Theoret Phys & Astrophys, D-24098 Kiel, Germany Univ KielKiel Germany D-24098 t Phys & Astrophys, D-24098 Kiel, Germany
Titolo Testata:
ASTRONOMY & ASTROPHYSICS
fascicolo: 1, volume: 379, anno: 2001,
pagine: 215 - 223
SICI:
1432-0746(200111)379:1<215:SOWDCF>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOUTH GALACTIC POLE; BRIGHT QSOS; OBJECTS; STARS; SAMPLE;
Keywords:
stars : white dwarfs; quasars : general;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Koester, D Univ Kiel, Inst Theoret Phys & Astrophys, Olshaussenstr 40, D-24098 Kiel, Germany Univ Kiel Olshaussenstr 40 Kiel Germany D-24098 Kiel, Germany
Citazione:
D. Koester e B. Wolff, "Spectroscopy of white dwarf candidates from the ESO Imaging Survey (EIS-WIDE)", ASTRON ASTR, 379(1), 2001, pp. 215-223

Abstract

In the ESO Imaging Survey of a 1.27 square degree field in the direction of the south galactic pole ("patch B") 32 point sources were identified as white dwarf candidates in the B - V vs. V - I two-color diagram by the EIS team and published as a candidate catalog. One of these was a previously known quasar. We have obtained low resolution spectra of 30 of the remaining sources. Of these only 6 are DA white dwarfs, one is a DQ white dwarf, one aDC. 11 candidates are quasars with redshifts between 1.4 and 3.3. The remaining sources are stars with narrow Balmer lines, in most cases probably field horizontal branch stars.

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Documento generato il 02/04/20 alle ore 10:10:45