Zobrazeno 1 - 10
of 246
pro vyhledávání: '"Clementini Gisella"'
We present new $P -\phi_{31}-{\rm [Fe/H]}$ and $P -\phi_{31}- A_2 - {\rm [Fe/H]}$ relations for fundamental-mode (RRab) and first-overtone mode (RRc) RR Lyrae stars (RRLs), respectively. The relations were calibrated based on pulsation periods and Fo
Externí odkaz:
http://arxiv.org/abs/2407.05815
Autor:
Khan, Saniya, Miglio, Andrea, Willett, Emma, Mosser, Benoît, Elsworth, Yvonne P., Anderson, Richard I., Girardi, Leo, Belkacem, Kévin, Brown, Anthony G. A., Cantat-Gaudin, Tristan, Casagrande, Luca, Clementini, Gisella, Vallenari, Antonella
Publikováno v:
A&A 677, A21 (2023)
Gaia EDR3 has provided unprecedented data that generate a lot of interest in the astrophysical community, despite the fact that systematics affect the reported parallaxes at the level of ~ 10 muas. Independent distance measurements are available from
Externí odkaz:
http://arxiv.org/abs/2304.07158
Autor:
Rimoldini, Lorenzo, Holl, Berry, Gavras, Panagiotis, Audard, Marc, De Ridder, Joris, Mowlavi, Nami, Nienartowicz, Krzysztof, de Fombelle, Grégory Jevardat, Lecoeur-Taïbi, Isabelle, Karbevska, Lea, Evans, Dafydd W., Ábrahám, Péter, Carnerero, Maria I., Clementini, Gisella, Distefano, Elisa, Garofalo, Alessia, García-Lario, Pedro, Gomel, Roy, Klioner, Sergei A., Kruszyńska, Katarzyna, Lanzafame, Alessandro C., Lebzelter, Thomas, Marton, Gábor, Mazeh, Tsevi, Molinaro, Roberto, Panahi, Aviad, Raiteri, Claudia M., Ripepi, Vincenzo, Szabados, László, Teyssier, David, Trabucchi, Michele, Wyrzykowski, Łukasz, Zucker, Shay, Eyer, Laurent
Publikováno v:
A&A 674, A14 (2023)
Gaia DR3 contains 1.8 billion sources with G-band photometry, 1.5 billion of which with BP and RP photometry, complemented by positions on the sky, parallax, and proper motion. The median number of field-of-view transits in the three photometric band
Externí odkaz:
http://arxiv.org/abs/2211.17238
Autor:
Drimmel, Ronald, Khanna, Shourya, D'Onghia, Elena, Tepper-García, Thorsten, Bland-Hawthorn, Joss, Chemin, Laurent, Ripepi, Vincenzo, Romero-Gómez, Mercé, Ramos, Pau, Poggio, Eloisa, Andrae, Rene, Blomme, Ronny, Cantat-Gaudin, Tristan, Castro-Ginard, Alfred, Clementini, Gisella, Fiqueras, Francesca, Frémat, Yves, Fouesneau, Morgan, Lobel, Alex, Marshall, Douglas, Muraveva, Tatiana
Publikováno v:
A&A 670, A10 (2023)
Modern astrometric and spectroscopic surveys have revealed a wealth of structure in the phase space of stars in the Milky Way, with evidence of resonance features and non-equilibrium processes. Using Gaia's third data release, we present evidence of
Externí odkaz:
http://arxiv.org/abs/2207.12977
Autor:
Carnerero, Maria I., Raiteri, Claudia M., Rimoldini, Lorenzo, Busonero, Deborah, Licata, Enrico, Mowlavi, Nami, Lecoeur-Taïbi, Isabelle, Audard, Marc, Holl, Berry, Gavras, Panagiotis, Nienartowicz, Krzysztof, de Fombelle, Grégory Jevardat, Carballo, Ruth, Clementini, Gisella, Delchambre, Ludovic, Klioner, Sergei, Lattanzi, Mario G., Eyer, Laurent
Publikováno v:
A&A 674, A24 (2023)
One of the novelties of the Gaia-DR3 with respect to the previous data releases is the publication of the multiband light curves of about 1 million AGN. The goal of this work was the creation of a catalogue of variable AGN, whose selection was based
Externí odkaz:
http://arxiv.org/abs/2207.06849
Autor:
Panahi, Aviad, Zucker, Shay, Clementini, Gisella, Audard, Marc, Binnenfeld, Avraham, Cusano, Felice, Evans, Dafydd Wyn, Gomel, Roy, Holl, Berry, Ilyin, Ilya, de Fombelle, Grégory Jevardat, Mazeh, Tsevi, Mowlavi, Nami, Nienartowicz, Krzysztof, Rimoldini, Lorenzo, Shahaf, Sahar, Eyer, Laurent
Publikováno v:
A&A 663, A101 (2022)
Context: The space telescope Gaia is dedicated mainly to performing high-precision astrometry, but also spectroscopy and epoch photometry which can be used to study various types of photometric variability. One such variability type is exoplanetary t
Externí odkaz:
http://arxiv.org/abs/2205.10197
Autor:
Eyer Laurent, Clementini Gisella, Guy Leanne P., Rimoldini Lorenzo, Glass Florian, Audard Marc, Holl Berry, Charnas Jonathan, Cuypers Jan, Ridder Joris De, Evans Dafydd W., de Fombelle Gregory Jevardat, Lanzafame Alessandro, Lecoeur-Taibi Isabelle, Mowlavi Nami, Nienartowicz Krzysztof, Riello Marco, Ripepi Vincenzo, Sarro Luis, Süveges Maria
Publikováno v:
EPJ Web of Conferences, Vol 152, p 02002 (2017)
In this article we present an overview of the ESA Gaia mission and of the unprecedented impact that Gaia will have on the field of variable star research. We summarise the contents and impact of the first Gaia data release on the description of varia
Externí odkaz:
https://doaj.org/article/25399917ed5848ba913451789bec6d62
Autor:
Cioni Maria-Rosa L., Ripepi Vincenzo, Clementini Gisella, Groenewegen Martin A.T., Moretti Maria I., Muraveva Tatiana, Subramanian Smitha
Publikováno v:
EPJ Web of Conferences, Vol 152, p 01008 (2017)
The VISTA survey of the Magellanic Clouds system (VMC) began observations in 2009 and since then, it has collected multi-epoch data at Ks and in addition multi-band data in Y and J for a wide range of stellar populations across the Magellanic system.
Externí odkaz:
https://doaj.org/article/9918b2e1acde4a179cc41784e9e25ccd
Autor:
Clementini Gisella, Eyer Laurent, Muraveva Tatiana, Garofalo Alessia, Ripepi Vincenzo, Marconi Marcella, Sarro Luis, Palmer Max, Luri Xavier, Molinaro Roberto, Rimoldini Lorenzo, Szabados Laszlo, Anderson Richard I., Musella Ilaria
Publikováno v:
EPJ Web of Conferences, Vol 152, p 02003 (2017)
Gaia Data Release 1 contains parallaxes for more than 700 Galactic Cepheids and RR Lyrae stars, computed as part of the Tycho-Gaia Astrometric Solution (TGAS). We have used TGAS parallaxes, along with literature (V, I, J, Ks, W1) photometry and spect
Externí odkaz:
https://doaj.org/article/5193494cb71b4980909c17b37437fa8d
Publikováno v:
EPJ Web of Conferences, Vol 152, p 01015 (2017)
Results are presented on deep (V ∼ 26.5 mag) time series observations of four dwarf spheroidal galaxies (dSphs) in the Andromeda (M31) complex, namely, And XIX, And XXI, And XXV and And XXVII, that we have observed with the Large Binocular Telescop
Externí odkaz:
https://doaj.org/article/9ec04bc2e424465f89758ab3c3ece993