2001A&A...372..820B

Query : 2001A&A...372..820B

2001A&A...372..820B - Astronomy and Astrophysics, volume 372820-823 (2001/6-4)

21-cm H I emission from the damped Lyman-α absorber SBS 1543+593.

BOWEN D.V., HUCHTMEIER W., BRINKS E., TRIPP T.M. and JENKINS E.B.

Abstract (from CDS):

We detect 21-cm emission from the Low Surface Brightness (LSB) galaxy SBS 1543+593, which gives rise to a Damped-Lyα (DLyα) absorption line in the spectrum of the background QSO HS 1543+5921 (ze=0.807). We obtain an accurate measure of the velocity of the H I gas in the LSB galaxy, v=2868km/s, and derive a mass of MHI=1.3x109M☉. We compare MHI with limits obtained towards two other z∼0.1 DLyα systems, and show that SBS 1543+593 would not have been detected. Hence LSB galaxies similar to SBS 1543+593 can be responsible for DLyα systems at even modest redshifts without being detectable from their 21-cm emission.

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Journal keyword(s): galaxies: individual: SBS 1543+593 - - radio lines: ISM - - quasars: absorption lines

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SBSG 1543+593 LSB 15 44 20.30 +59 12 24.2   17.5 16.9     ~ 55 2

Query : 2001A&A...372..820B

Basic data :
SBSG 1543+593 -- Low Surface Brightness Galaxy
Other object types: otypes_help 		LSB (), G (SBSG,[CL2003]), AG? (2020MNRAS)
ICRS coord. (ep=J2000) : 		15 44 20.30 +59 12 24.2 (Optical) [ ] C 2020MNRAS.494.1784A
FK4 coord. (ep=B1950 eq=1950) : 		15 43 19.70 +59 21 45.0 [ ]
Gal coord. (ep=J2000) : 		092.39813 +46.36056 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 2864 [30] / z(~) 0.0096 [0.0001] / cz 2878 [30]
   D 2004ApJ...600..613S
Morphological type: 		dGsp D ~
Fluxes (2) :
B 17.5 [~] E ~
V 16.9 [~] E ~
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notes:

Identifiers (2) :
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SBSG 1543+593 [CL2003] QSO J1544+5912 abs 0.009

References (55 between 1850 and 2026) (Total 55)
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Data at NED - NASA/IPAC Extragalactic Database : SBSG 1543+593

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