About: Near-infrared proper motions and spectroscopy of infrared excess sources at the Galactic center

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About: Near-infrared proper motions and spectroscopy of infrared excess sources at the Galactic center Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We present a first K-s-band identification and proper motions of the IRS13N members, the high-velocity dusty S-cluster object (DSO, also referred to as G2), and other infrared excess sources in the central field. Goal is to constrain the nature of these source. We show that within the uncertainties, the positions and proper motions of the IRS13N sources in K-s- and L'-band are identical. The HK- sL' colors then indicate that the bright L'-band IRS13N sources are indeed dust-enshrouded stars rather than core-less dust clouds. The proper motions also show that the IRS13N sources are not strongly gravitationally bound to each other. Combined with their NIR colors, this implies that they have been formed recently. For the DSO we obtain proper motions and a K-s-L'-color. We present a first K-s-band identification and proper motions of the IRS13N members, the high-velocity dusty S-cluster object (DSO, also referred to as G2), and other infrared excess sources in the central field. Goal is to constrain the nature of these source. We show that within the uncertainties, the positions and proper motions of the IRS13N sources in K-s- and L'-band are identical. The HK- sL' colors then indicate that the bright L'-band IRS13N sources are indeed dust-enshrouded stars rather than core-less dust clouds. The proper motions also show that the IRS13N sources are not strongly gravitationally bound to each other. Combined with their NIR colors, this implies that they have been formed recently. For the DSO we obtain proper motions and a K-s-L'-color. (en)
Title	Near-infrared proper motions and spectroscopy of infrared excess sources at the Galactic center Near-infrared proper motions and spectroscopy of infrared excess sources at the Galactic center (en)
skos:prefLabel	Near-infrared proper motions and spectroscopy of infrared excess sources at the Galactic center Near-infrared proper motions and spectroscopy of infrared excess sources at the Galactic center (en)
skos:notation	RIV/67985815:_____/13:00423355!RIV14-AV0-67985815
http://linked.open...avai/predkladatel	Astronomický ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	March
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kunneriath, Devaky
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Astronomický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	91063
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/13:00423355
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	galaxy center; early-type stars (en)
http://linked.open.../riv/klicoveSlovo	galaxy center early-type stars
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[52B8089FF4D7]
http://linked.open...i/riv/nazevZdroje	Astronomy & Astrophysics
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	16 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	551
http://linked.open...iv/tvurceVysledku	Bremer, M. Buchholz, R. M. Eckart, A. Moultaka, J. Muzic, K. Sabha, N. Straubmeier, C. Valencia-S, M. Witzel, G. Kunneriath, Devaky Garcia-Marin, M. Moser, L. Jalali, B. Rauch, C. Shahzamanian, B. Yazici, S.
http://linked.open...ain/vavai/riv/wos	000316460600018
issn	0004-6361
number of pages	31 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/0004-6361/201219994

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