A New Catalog of Homogenized Absorption Line Indices for Milky Way Globular Clusters from High-resolution Integrated Spectroscopy

Bibcode
2016ApJS..227...24K
DOI
10.3847/1538-4365/227/2/24
Kim, Hak-Sub; Cho, Jaeil; Sharples, Ray M.; Vazdekis, A.; Beasley, M. A.; Yoon, Suk-Jin
Bibliographical reference

The Astrophysical Journal Supplement Series, Volume 227, Issue 2, article id. 24, 34 pp. (2016).

Advertised on:
12
2016
Number of authors
6
IAC number of authors
2
Citations
10
Refereed citations
10
Description
We perform integrated spectroscopy of 24 Galactic globular clusters (GGCs). Spectra are observed from one core radius for each cluster with a high wavelength resolution of ∼2.0 Å FWHM. In combination with two existing data sets from Puzia et al. and Schiavon et al., we construct a large database of Lick spectral indices for a total of 53 GGCs with a wide range of metallicities, ‑2.4 ≲ [Fe/H] ≲ 0.1, and various horizontal-branch morphologies. The empirical index-to-metallicity conversion relationships are provided for the 20 Lick indices for the use of deriving metallicities for remote, unresolved stellar systems.
Type
Refereed
Catalogs

It may interest you

  • Refereed
    Characterisation at Cryogenic Temperatures of an Attenuator for an Application of Astrophysical Instrumentation with MKIDs
    The use of non-cryogenic certified commercial electronics for cryogenic applications may be attractive due to their cost and availability, but it also carries risks related to reliability, performance and thermal compatibility. The decision to use commercial components that are not certified for cryogenics instead of components specifically
    Rodríguez Ramos L.F. et al.

    Advertised on:

    12
    2024
  • Refereed
    Blue supergiants as a progenitor of intermediate-luminosity red transients
    The current perspective about the explosions of massive hydrogen-rich blue supergiants is that they resemble SN 1987A. These so-called peculiar Type II supernovae, however, are one of the rarest types of supernovae and may not hence be the fate of all blue supergiants. In this work, we explore other explosion scenarios for blue supergiants. We
    Moriya, Takashi J. et al.

    Advertised on:

    12
    2024
    Bibcode
    2024PASJ...76L..27M
    Citations
    0
  • Refereed
    LiteBIRD science goals and forecasts. Mapping the hot gas in the Universe
    We assess the capabilities of the LiteBIRD mission to map the hot gas distribution in the Universe through the thermal Sunyaev-Zeldovich (SZ) effect. Our analysis relies on comprehensive simulations incorporating various sources of Galactic and extragalactic foreground emission, while accounting for the specific instrumental characteristics of the
    Remazeilles, M. et al.

    Advertised on:

    12
    2024
    Bibcode
    2024JCAP...12..026R
    Citations
    0