A Fossil Bulge Globular Cluster revealed by VLT Multi-Conjugate
Adaptive Optics

J 2011

A Fossil Bulge Globular Cluster revealed by VLT Multi-Conjugate Adaptive Optics

ORTOLANI, Sergio, Beatriz BARBUY, Yazan MOMANY, Ivo SAVIANE, Eduardo BICA et. al.

Základní údaje

Originální název

A Fossil Bulge Globular Cluster revealed by VLT Multi-Conjugate Adaptive Optics

Autoři

ORTOLANI, Sergio (380 Itálie, garant), Beatriz BARBUY (76 Brazílie), Yazan MOMANY (380 Itálie), Ivo SAVIANE (380 Itálie), Eduardo BICA (76 Brazílie), Lucie JÍLKOVÁ (203 Česká republika, domácí), Gustavo Malta SALERNO (380 Itálie) a Bruno JUNGWIERT (203 Česká republika, domácí)

Vydání

Astrophysical Journal, Chicago, University of Chicago Press, 2011, 0004-637X

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10308 Astronomy

Stát vydavatele

Spojené státy

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 6.024

Kód RIV

RIV/00216224:14310/11:00050524

Organizační jednotka

Přírodovědecká fakulta

DOI

http://dx.doi.org/10.1088/0004-637X/737/1/31

UT WoS

000293332200031

Klíčová slova anglicky

Galactic bulge globular clusters (HP 1)

Štítky

rivok, ZR

Příznaky

Recenzováno

Změněno: 23. 2. 2012 14:59, Mgr. Lucie Jílková, Ph.D.

Anotace

V originále

The globular cluster HP 1 is projected on the bulge, very close to the Galactic center. The Multi-Conjugate Adaptive Optics Demonstrator on the Very Large Telescope allowed us to acquire high-resolution deep images that, combined with first epoch New Technology Telescope data, enabled us to derive accurate proper motions. The cluster and bulge fields' stellar contents were disentangled through this process and produced an unprecedented definition in color-magnitude diagrams of this cluster. The metallicity of [Fe/H] -1.0 from previous spectroscopic analysis is confirmed, which together with an extended blue horizontal branch imply an age older than the halo average. Orbit reconstruction results suggest that HP 1 is spatially confined within the bulge.

Návaznosti

GD205/08/H005, projekt VaV

Název: Fyzika Slunce, hvězd a hvězdných soustav

Investor: Grantová agentura ČR, Fyzika Slunce, hvězd a hvězdných soustav

Citovat

ORTOLANI, Sergio, Beatriz BARBUY, Yazan MOMANY, Ivo SAVIANE, Eduardo BICA, Lucie JÍLKOVÁ, Gustavo Malta SALERNO a Bruno JUNGWIERT. A Fossil Bulge Globular Cluster revealed by VLT Multi-Conjugate Adaptive Optics. Astrophysical Journal. Chicago: University of Chicago Press, 2011, roč. 737, č. 1, s. 310-341, 31 s. ISSN 0004-637X. Dostupné z: https://dx.doi.org/10.1088/0004-637X/737/1/31.

@article{972657,
   author = {Ortolani, Sergio and Barbuy, Beatriz and Momany, Yazan and Saviane, Ivo and Bica, Eduardo and Jílková, Lucie and Salerno, Gustavo Malta and Jungwiert, Bruno},
   article_location = {Chicago},
   article_number = {1},
   doi = {http://dx.doi.org/10.1088/0004-637X/737/1/31},
   keywords = {Galactic bulge globular clusters (HP 1)},
   language = {eng},
   issn = {0004-637X},
   journal = {Astrophysical Journal},
   title = {A Fossil Bulge Globular Cluster revealed by VLT Multi-Conjugate Adaptive Optics},
   url = {http://iopscience.iop.org/0004-637X/737/1/31/},
   volume = {737},
   year = {2011}
}

TY  - JOUR
ID  - 972657
AU  - Ortolani, Sergio - Barbuy, Beatriz - Momany, Yazan - Saviane, Ivo - Bica, Eduardo - Jílková, Lucie - Salerno, Gustavo Malta - Jungwiert, Bruno
PY  - 2011
TI  - A Fossil Bulge Globular Cluster revealed by VLT Multi-Conjugate Adaptive Optics
JF  - Astrophysical Journal
VL  - 737
IS  - 1
SP  - 310-341
EP  - 310-341
PB  - University of Chicago Press
SN  - 0004637X
KW  - Galactic bulge globular clusters (HP 1)
UR  - http://iopscience.iop.org/0004-637X/737/1/31/
N2  - The globular cluster HP 1 is projected on the bulge, very close to the Galactic center. The Multi-Conjugate Adaptive Optics Demonstrator on the Very Large Telescope allowed us to acquire high-resolution deep images that, combined with first epoch New Technology Telescope data, enabled us to derive accurate proper motions. The cluster and bulge fields' stellar contents were disentangled through this process and produced an unprecedented definition in color-magnitude diagrams of this cluster. The metallicity of [Fe/H] -1.0 from previous spectroscopic analysis is confirmed, which together with an extended blue horizontal branch imply an age older than the halo average. Orbit reconstruction results suggest that HP 1 is spatially confined within the bulge.
ER  -

ORTOLANI, Sergio, Beatriz BARBUY, Yazan MOMANY, Ivo SAVIANE, Eduardo BICA, Lucie JÍLKOVÁ, Gustavo Malta SALERNO a Bruno JUNGWIERT. A Fossil Bulge Globular Cluster revealed by VLT Multi-Conjugate Adaptive Optics. \textit{Astrophysical Journal}. Chicago: University of Chicago Press, 2011, roč.~737, č.~1, s.~310-341, 31 s. ISSN~0004-637X. Dostupné z: https://dx.doi.org/10.1088/0004-637X/737/1/31.

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