Mostrar registro simples

Anchoring the distence scale via x-ray/infrared data for Cepheid clusters : SU Cas

dc.contributor.authorMajaess, Daniel J.pt_BR
dc.contributor.authorTurner, D. G.pt_BR
dc.contributor.authorGallo, Luigipt_BR
dc.contributor.authorGieren, Wolfgang P.pt_BR
dc.contributor.authorBonatto, Charles Josept_BR
dc.contributor.authorLane, Davept_BR
dc.contributor.authorBalam, D.pt_BR
dc.contributor.authorBerdnikov, L.pt_BR
dc.date.accessioned2015-01-20T02:15:18Zpt_BR
dc.date.issued2012pt_BR
dc.identifier.issn0004-637Xpt_BR
dc.identifier.urihttp://hdl.handle.net/10183/109059pt_BR
dc.description.abstractNew X-ray (XMM-Newton) and JHKs (Observatoire du Mont-Mégantic) observations for members of the star cluster Alessi 95, which Turner et al. discovered hosts the classical Cepheid SU Cas, were used in tandem with UCAC3 (proper motion) and Two Micron All Sky Survey observations to determine precise cluster parameters: E(J −H) = 0.08±0.02 and d = 405±15 pc. The ensuing consensus among cluster, pulsation, and trigonometric distances (d = 414±5(σ¯x )±10(σ) pc) places SU Cas in a select group of nearby fundamental Cepheid calibrators (δ Cep, ζ Gem). High-resolution X-ray observations may be employed to expand that sample as the data proved pertinent for identifying numerous stars associated with SU Cas. Acquiring X-ray observations of additional fields may foster efforts to refine Cepheid calibrations used to constrain H0.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofThe astrophysical journal. Bristol. Vol. 753, no. 2 (July 2012), 144, 4 p.pt_BR
dc.rightsOpen Accessen
dc.subjectHertzsprung-Russell and C-M diagramsen
dc.subjectAglomerados estelarespt_BR
dc.subjectAstrometriapt_BR
dc.subjectInfrared: starsen
dc.subjectOpen clusters and associations: generalen
dc.subjectFotometria estelarpt_BR
dc.subjectEspectros estelarespt_BR
dc.subjectStars: variables: cepheidsen
dc.subjectEstrelas variaveispt_BR
dc.subjectX-rays: starsen
dc.titleAnchoring the distence scale via x-ray/infrared data for Cepheid clusters : SU Caspt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000864490pt_BR
dc.type.originEstrangeiropt_BR


Thumbnail
Nome:
000864490.pdf
Tamanho:
1.439Mb
Formato:
PDF
Descrição:
Texto completo (inglês)
Visualizar/abrir
   

Este item está licenciado na Creative Commons License

Mostrar registro simples