An all-sky catalogue of stellar reddening values

J 2024

An all-sky catalogue of stellar reddening values

PAUNZEN, Ernst; Martin NETOPIL; Michal PRIŠEGEN a Nikola FALTOVÁ

Základní údaje

Originální název

An all-sky catalogue of stellar reddening values

Autoři

PAUNZEN, Ernst; Martin NETOPIL; Michal PRIŠEGEN a Nikola FALTOVÁ

Vydání

Astronomy and Astrophysics, EDP Sciences, 2024, 0004-6361

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10308 Astronomy

Stát vydavatele

Francie

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 5.800

Označené pro přenos do RIV

Ano

Kód RIV

RIV/00216224:14310/24:00139745

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

catalogs; stars: general; Hertzsprung-Russell and C-M diagrams; dust; extinction; open clusters and associations: general

Štítky

14312040, rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 4. 3. 2025 13:50, Mgr. Marie Novosadová Šípková, DiS.

Anotace

V originále

Context: When observing astronomical objects, we have to deal with extinction (i.e. the absorption and scattering of the emitted radiation by dust and gas between the source and the observer). Interstellar extinction depends on the location of the object and the wavelength. The different extinction laws describing these effects are difficult to estimate for a small sample of stars. Aims: Many sophisticated and automatic methods have recently been developed for estimating astrophysical parameters (age and metallicity, for example) depending on the reddening, which is normally treated as a free parameter within the corresponding estimations. However, many reddening values for stars have been published over the last few decades, most of which include observations in the ultraviolet, which are essential for a good estimation but are essentially no longer taken into account. Methods: We searched the literature through the end of 2022 for published independent reddening values of stellar objects based on various methods that exclude estimates from reddening maps. In addition, we present new reddening estimates based on the classical photometric indices in the Geneva, Johnson, and Strömgren-Crawford systems. These are based on well-established and reliable calibrations. Results: After a careful identification procedure and quality assessment of the data, we calculated the mean reddening values of 157 631 individual available measurements for 97 826 objects. We compared our results with the ones from recent automatic pipeline values, including those from the Gaia consortium. In addition, we chose star cluster members to compare their mean values with estimates for the corresponding aggregates. Within the different references, we find several statistically significant offsets and trends and discuss possible explanations for them. Conclusions: Our new catalogue can serve as a starting point for calibrating and testing automatic tools such as isochrone and spectral energy distribution fitting. Our sample covers the whole sky, including the Galactic field, star clusters, and Magellanic Clouds, and so can be used for a variety of astrophysical studies.

Návaznosti

GA23-07605S, projekt VaV

Název: Osud galaktických otevřených hvězdokup

Investor: Grantová agentura ČR, Osud galaktických otevřených hvězdokup

Citovat

PAUNZEN, Ernst; Martin NETOPIL; Michal PRIŠEGEN a Nikola FALTOVÁ. An all-sky catalogue of stellar reddening values. Astronomy and Astrophysics. EDP Sciences, 2024, roč. 689, September, s. 1-12. ISSN 0004-6361. Dostupné z: https://doi.org/10.1051/0004-6361/202347768.

@article{2481643,
   author = {Paunzen, Ernst and Netopil, Martin and Prišegen, Michal and Faltová, Nikola},
   article_number = {September},
   doi = {https://doi.org/10.1051/0004-6361/202347768},
   keywords = {catalogs; stars: general; Hertzsprung-Russell and C-M diagrams; dust; extinction; open clusters and associations: general},
   language = {eng},
   issn = {0004-6361},
   journal = {Astronomy and Astrophysics},
   title = {An all-sky catalogue of stellar reddening values},
   url = {https://doi.org/10.1051/0004-6361/202347768},
   volume = {689},
   year = {2024}
}

TY  - JOUR
ID  - 2481643
AU  - Paunzen, Ernst - Netopil, Martin - Prišegen, Michal - Faltová, Nikola
PY  - 2024
TI  - An all-sky catalogue of stellar reddening values
JF  - Astronomy and Astrophysics
VL  - 689
IS  - September
SP  - 1-12
EP  - 1-12
PB  - EDP Sciences
SN  - 00046361
KW  - catalogs
KW  - stars: general
KW  - Hertzsprung-Russell and C-M diagrams
KW  - dust
KW  - extinction
KW  - open clusters and associations: general
UR  - https://doi.org/10.1051/0004-6361/202347768
N2  - Context: When observing astronomical objects, we have to deal with extinction (i.e. the absorption and scattering of the emitted radiation by dust and gas between the source and the observer). Interstellar extinction depends on the location of the object and the wavelength. The different extinction laws describing these effects are difficult to estimate for a small sample of stars. Aims: Many sophisticated and automatic methods have recently been developed for estimating astrophysical parameters (age and metallicity, for example) depending on the reddening, which is normally treated as a free parameter within the corresponding estimations. However, many reddening values for stars have been published over the last few decades, most of which include observations in the ultraviolet, which are essential for a good estimation but are essentially no longer taken into account. Methods: We searched the literature through the end of 2022 for published independent reddening values of stellar objects based on various methods that exclude estimates from reddening maps. In addition, we present new reddening estimates based on the classical photometric indices in the Geneva, Johnson, and Strömgren-Crawford systems. These are based on well-established and reliable calibrations. Results: After a careful identification procedure and quality assessment of the data, we calculated the mean reddening values of 157 631 individual available measurements for 97 826 objects. We compared our results with the ones from recent automatic pipeline values, including those from the Gaia consortium. In addition, we chose star cluster members to compare their mean values with estimates for the corresponding aggregates. Within the different references, we find several statistically significant offsets and trends and discuss possible explanations for them. Conclusions: Our new catalogue can serve as a starting point for calibrating and testing automatic tools such as isochrone and spectral energy distribution fitting. Our sample covers the whole sky, including the Galactic field, star clusters, and Magellanic Clouds, and so can be used for a variety of astrophysical studies.
ER  -

PAUNZEN, Ernst; Martin NETOPIL; Michal PRIŠEGEN a Nikola FALTOVÁ. An all-sky catalogue of stellar reddening values. \textit{Astronomy and Astrophysics}. EDP Sciences, 2024, roč.~689, September, s.~1-12. ISSN~0004-6361. Dostupné z: https://doi.org/10.1051/0004-6361/202347768.

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