Related papers: GAIA and the Extragalactic Distance Scale

A re-classification of Cepheids in the Gaia Data Release 2

Classical Cepheids are the most important primary indicators for the extragalactic distance scale. Establishing the precise zero points of their Period-Luminosity and Period-Wesenheit (PL/PW) relations has profound consequences on the…

Solar and Stellar Astrophysics · Physics 2019-07-10 V. Ripepi , R. Molinaro , I. Musella , M. Marconi , S. Leccia , L. Eyer

Gaia DR3: Specific processing and validation of all-sky RR Lyrae and Cepheid stars -- The Cepheid sample

Context. Cepheids are pulsating stars that play a crucial role in several astrophysical contexts. Among the different types, the Classical Cepheids are fundamental tools for the calibration of the extragalactic distance ladder. They are…

Solar and Stellar Astrophysics · Physics 2023-06-21 V. Ripepi , G. Clementini , R. Molinaro , S. Leccia , E. Plachy , L. Molnár , L. Rimoldini , I. Musella , M. Marconi , A. Garofalo , M. Audard , B. Holl , D. W. Evans , G. Jevardat de Fombelle , I. Lecoeur-Taibi , O. Marchal , N. Mowlavi , T. Muraveva , K. Nienartowicz , P. Sartoretti , L. Szabados , L. Eyer

Gaia Data Release 1. Open cluster astrometry: performance, limitations, and future prospects

Context. The first Gaia Data Release contains the Tycho-Gaia Astrometric Solution (TGAS). This is a subset of about 2 million stars for which, besides the position and photometry, the proper motion and parallax are calculated using…

Solar and Stellar Astrophysics · Physics 2017-04-26 Gaia Collaboration , F. van Leeuwen , A. Vallenari , C. Jordi , L. Lindegren , U. Bastian , T. Prusti , J. H. J. de Bruijne , A. G. A. Brown , C. Babusiaux , C. A. L. Bailer-Jones , M. Biermann , D. W. Evans , L. Eyer , F. Jansen , S. A. Klioner , U. Lammers , X. Luri , F. Mignard , C. Panem , D. Pourbaix , S. Randich , P. Sartoretti , H. I. Siddiqui , C. Soubiran , V. Valette , N. A. Walton , C. Aerts , F. Arenou , M. Cropper , R. Drimmel , E. Høg , D. Katz , M. G. Lattanzi , W. O'Mullane , E. K. Grebel , A. D. Holland , C. Huc , X. Passot , M. Perryman , L. Bramante , C. Cacciari , J. Castañeda , L. Chaoul , N. Cheek , F. De Angeli , C. Fabricius , R. Guerra , J. Hernández , A. Jean-Antoine-Piccolo , E. Masana , R. Messineo , N. Mowlavi , K. Nienartowicz , D. Ordóñez-Blanco , P. Panuzzo , J. Portell , P. J. Richards , M. Riello , G. M. Seabroke , P. Tanga , F. Thévenin , J. Torra , S. G. Els , G. Gracia-Abril , G. Comoretto , M. Garcia-Reinaldos , T. Lock , E. Mercier , M. Altmann , R. Andrae , T. L. Astraatmadja , I. Bellas-Velidis , K. Benson , J. Berthier , R. Blomme , G. Busso , B. Carry , A. Cellino , G. Clementini , S. Cowell , O. Creevey , J. Cuypers , M. Davidson , J. De Ridder , A. de Torres , L. Delchambre , A. Dell'Oro , C. Ducourant , Y. Frémat , M. García-Torres , E. Gosset , J. -L. Halbwachs , N. C. Hambly , D. L. Harrison , M. Hauser , D. Hestroffer , S. T. Hodgkin , H. E. Huckle , A. Hutton , G. Jasniewicz , S. Jordan , M. Kontizas , A. J. Korn , A. C. Lanzafame , M. Manteiga , A. Moitinho , K. Muinonen , J. Osinde , E. Pancino , T. Pauwels , J. -M. Petit , A. Recio-Blanco , A. C. Robin , L. M. Sarro , C. Siopis , M. Smith , K. W. Smith , A. Sozzetti , W. Thuillot , W. van Reeven , Y. Viala , U. Abbas , A. Abreu Aramburu , S. Accart , J. J. Aguado , P. M. Allan , W. Allasia , G. Altavilla , M. A. Álvarez , J. Alves , R. I. Anderson , A. H. Andrei , E. Anglada Varela , E. Antiche , T. Antoja , S. Antón , B. Arcay , N. Bach , S. G. Baker , L. Balaguer-Núñez , C. Barache , C. Barata , A. Barbier , F. Barblan , D. Barrado y Navascués , M. Barros , M. A. Barstow , U. Becciani , M. Bellazzini , A. Bello García , V. Belokurov , P. Bendjoya , A. Berihuete , L. Bianchi , O. Bienaymé , F. Billebaud , N. Blagorodnova , S. Blanco-Cuaresma , T. Boch , A. Bombrun , R. Borrachero , S. Bouquillon , G. Bourda , H. Bouy , A. Bragaglia , M. A. Breddels , N. Brouillet , T. Brüsemeister , B. Bucciarelli , P. Burgess , R. Burgon , A. Burlacu , D. Busonero , R. Buzzi , E. Caffau , J. Cambras , H. Campbell , R. Cancelliere , T. Cantat-Gaudin , T. Carlucci , J. M. Carrasco , M. Castellani , P. Charlot , J. Charnas , A. Chiavassa , M. Clotet , G. Cocozza , R. S. Collins , G. Costigan , F. Crifo , N. J. G. Cross , M. Crosta , C. Crowley , C. Dafonte , Y. Damerdji , A. Dapergolas , P. David , M. David , P. De Cat , F. de Felice , P. de Laverny , F. De Luise , R. De March , D. de Martino , R. de Souza , J. Debosscher , E. del Pozo , M. Delbo , A. Delgado , H. E. Delgado , P. Di Matteo , S. Diakite , E. Distefano , C. Dolding , S. Dos Anjos , P. Drazinos , J. Durán , Y. Dzigan , B. Edvardsson , H. Enke , N. W. Evans , G. Eynard Bontemps , C. Fabre , M. Fabrizio , S. Faigler , A. J. Falcão , M. Farràs Casas , L. Federici , G. Fedorets , J. Fernández-Hernández , P. Fernique , A. Fienga , F. Figueras , F. Filippi , K. Findeisen , A. Fonti , M. Fouesneau , E. Fraile , M. Fraser , J. Fuchs , M. Gai , S. Galleti , L. Galluccio , D. Garabato , F. García-Sedano , A. Garofalo , N. Garralda , P. Gavras , J. Gerssen , R. Geyer , G. Gilmore , S. Girona , G. Giuffrida , M. Gomes , A. González-Marcos , J. González-Núñez , J. J. González-Vidal , M. Granvik , A. Guerrier , P. Guillout , J. Guiraud , A. Gúrpide , R. Gutiérrez-Sánchez , L. P. Guy , R. Haigron , D. Hatzidimitriou , M. Haywood , U. Heiter , A. Helmi , D. Hobbs , W. Hofmann , B. Holl , G. Holland , J. A. S. Hunt , A. Hypki , V. Icardi , M. Irwin , G. Jevardat de Fombelle , P. Jofré , P. G. Jonker , A. Jorissen , F. Julbe , A. Karampelas , A. Kochoska , R. Kohley , K. Kolenberg , E. Kontizas , S. E. Koposov , G. Kordopatis , P. Koubsky , A. Krone-Martins , M. Kudryashova , I. Kull , R. K. Bachchan , F. Lacoste-Seris , A. F. Lanza , J. -B. Lavigne , C. Le Poncin-Lafitte , Y. Lebreton , T. Lebzelter , S. Leccia , N. Leclerc , I. Lecoeur-Taibi , V. Lemaitre , H. Lenhardt , F. Leroux , S. Liao , E. Licata , H. E. P. Lindstrøm , T. A. Lister , E. Livanou , A. Lobel , W. Löffer , M. López , D. Lorenz , I. MacDonald , T. Magalhães Fernandes , S. Managau , R. G. Mann , G. Mantelet , O. Marchal , J. M. Marchant , M. Marconi , S. Marinoni , P. M. Marrese , G. Marschalkó , D. J. Marshall , J. M. Martín-Fleitas , M. Martino , N. Mary , G. Matijevič , T. Mazeh , P. J. McMillan , S. Messina , D. Michalik , N. R. Millar , B. M. H. Miranda , D. Molina , R. Molinaro , M. Molinaro , L. Molnár , M. Moniez , P. Montegrio , R. Mor , A. Mora , R. Morbidelli , T. Morel , S. Morgenthaler , D. Morris , A. F. Mulone , T. Muraveva , I. Musella , J. Narbonne , G. Nelemans , L. Nicastro , L. Noval , C. Ordénovic , J. Ordieres-Meré , P. Osborne , C. Pagani , I. Pagano , F. Pailler , H. Palacin , L. Palaversa , P. Parsons , M. Pecoraro , R. Pedrosa , H. Pentikäinen , B. Pichon , A. M. Piersimoni , F. -X. Pineau , E. Plachy , G. Plum , E. Poujoulet , A. Prša , L. Pulone , S. Ragaini , S. Rago , N. Rambaux , M. Ramos-Lerate , P. Ranalli , G. Rauw , A. Read , S. Regibo , C. Reylé , R. A. Ribeiro , L. Rimoldini , V. Ripepi , A. Riva , G. Rixon , M. Roelens , M. Romero-Gómez , N. Rowell , F. Royer , L. Ruiz-Dern , G. Sadowski , T. Sagristà Sellés , J. Sahlmann , J. Salgado , E. Salguero , M. Sarasso , H. Savietto , M. Schultheis , E. Sciacca , M. Segol , J. C. Segovia , D. Segransan , I-C. Shih , R. Smareglia , R. L. Smart , E. Solano , F. Solitro , R. Sordo , S. Soria Nieto , J. Souchay , A. Spagna , F. Spoto , U. Stampa , I. A. Steele , H. Steidelmüller , C. A. Stephenson , H. Stoev , F. F. Suess , M. Süveges , J. Surdej , L. Szabados , E. Szegedi-Elek , D. Tapiador , F. Taris , G. Tauran , M. B. Taylor , R. Teixeira , D. Terrett , B. Tingley , S. C. Trager , C. Turon , A. Ulla , E. Utrilla , G. Valentini , A. van Elteren , E. Van Hemelryck , M. van Leeuwen , M. Varadi , A. Vecchiato , J. Veljanoski , T. Via , D. Vicente , S. Vogt , H. Voss , V. Votruba , S. Voutsinas , G. Walmsley , M. Weiler , K. Weingril , T. Wevers , Ł. Wyrzykowski , A. Yoldas , M. Žerjal , S. Zucker , C. Zurbach , T. Zwitter , A. Alecu , M. Allen , C. Allende Prieto , A. Amorim , G. Anglada-Escudé , V. Arsenijevic , S. Azaz , P. Balm , M. Beck , H. -H. Bernsteiny , L. Bigot , A. Bijaoui , C. Blasco , M. Bonfigli , G. Bono , S. Boudreault , A. Bressan , S. Brown , P. -M. Brunet , P. Bunclarky , R. Buonanno , A. G. Butkevich , C. Carret , C. Carrion , L. Chemin , F. Chéreau , L. Corcione , E. Darmigny , K. S. de Boer , P. de Teodoro , P. T. de Zeeuw , C. Delle Luche , C. D. Domingues , P. Dubath , F. Fodor , B. Frézouls , A. Fries , D. Fustes , D. Fyfe , E. Gallardo , J. Gallegos , D. Gardio , M. Gebran , A. Gomboc , A. Gómez , E. Grux , A. Gueguen , A. Heyrovsky , J. Hoar , G. Iannicola , Y. Isasi Parache , A. -M. Janotto , E. Joliet , A. Jonckheere , R. Keil , D. -W. Kim , P. Klagyivik , J. Klar , J. Knude , O. Kochukhov , I. Kolka , J. Kos , A. Kutka , V. Lainey , D. LeBouquin , C. Liu , D. Loreggia , V. V. Makarov , M. G. Marseille , C. Martayan , O. Martinez-Rubi , B. Massart , F. Meynadier , S. Mignot , U. Munari , A. -T. Nguyen , T. Nordlander , K. S. O'Flaherty , P. Ocvirk , A. Olias Sanz , P. Ortiz , J. Osorio , D. Oszkiewicz , A. Ouzounis , M. Palmer , P. Park , E. Pasquato , C. Peltzer , J. Peralta , F. Péturaud , T. Pieniluoma , E. Pigozzi , J. Poelsy , G. Prat , T. Prod'homme , F. Raison , J. M. Rebordao , D. Risquez , B. Rocca-Volmerange , S. Rosen , M. I. Ruiz-Fuertes , F. Russo , S. Sembay , I. Serraller Vizcaino , A. Short , A. Siebert , H. Silva , D. Sinachopoulos , E. Slezak , M. Soffel , D. Sosnowska , V. Straižys , M. ter Linden , D. Terrell , S. Theil , C. Tiede , L. Troisi , P. Tsalmantza , D. Tur , M. Vaccari , F. Vachier , P. Valles , W. Van Hamme , L. Veltz , J. Virtanen , J. -M. Wallut , R. Wichmann , M. I. Wilkinson , H. Ziaeepour , S. Zschocke

Tip of the Red Giant Branch Distances to NGC 1316, NGC 1380, NGC 1404, & NGC 4457: A Pilot Study of a Parallel Distance Ladder Using Type Ia Supernovae in Early-Type Host Galaxies

Though type-Ia supernovae (SNe Ia) are found in all types of galaxies, recent local Hubble constant measurements have disfavored using SNe Ia in early-type or quiescent galaxies, aiming instead for better consistency with SNe Ia in…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-05 Max J. B. Newman , Conor Larison , Saurabh W. Jha , Kristen B. W. McQuinn , Evan D. Skillman , Andrew E. Dolphin , Mi Dai , D. Andrew Howell , Curtis McCully , K. Azalee Bostroem , Daichi Hiramatsu , Craig Pellegrino , Estefania Padilla Gonzalez

Reduction of the type Ia supernova host galaxy step in the outer regions of galaxies

Using 1533 type Ia supernovae (SNe Ia) from the five-year sample of the Dark Energy Survey (DES), we investigate the relationship between the projected galactocentric separation of the SNe and their host galaxies and their light curves and…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-13 M. Toy , P. Wiseman , M. Sullivan , D. Scolnic , M. Vincenzi , D. Brout , T. M. Davis , C. Frohmaier , L. Galbany , C. Lidman , J. Lee , L. Kelsey , R. Kessler , A. Möller , B. Popovic , B. O. Sánchez , P. Shah , M. Smith , S. Allam , M. Aguena , O. Alves , D. Bacon , D. Brooks , D. L. Burke , A. Carnero Rosell , J. Carretero , L. N. da Costa , M. E. S. Pereira , S. Desai , H. T. Diehl , P. Doel , A. Drlica-Wagner , S. Everett , I. Ferrero , B. Flaugher , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , G. Giannini , R. A. Gruendl , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , O. Lahav , S. Lee , J. L. Marshall , J. Mena-Fernández , R. Miquel , A. Palmese , A. Pieres , A. A. Plazas Malagón , A. K. Romer , S. Samuroff , E. Sanchez , D. Sanchez Cid , M. Schubnell , E. Suchyta , M. E. C. Swanson , G. Tarle , D. L. Tucker , V. Vikram , A. R. Walker , N. Weaverdyck

Cepheid calibration of type Ia Supernovae and the Hubble constant

We investigate how a different calibration of the Cepheid Period-Luminosity (PL) relation taking into account the metallicity corrections, affects the absolute magnitude calibration of Supernovae (SNe) Ia and, in turn, the determination of…

Astrophysics · Physics 2009-11-10 G. Altavilla , G. Fiorentino , M. Marconi , I. Musella , E. Cappellaro , R. Barbon , S. Benetti , A. Pastorello , M. Riello , M. Turatto , L. Zampieri

How SN Ia host-galaxy properties affect cosmological parameters

We present a systematic study of the relationship between Type Ia Supernova (SN Ia) properties, and the characteristics of their host galaxies, using a sample of 581 SNe Ia from the full Sloan Digital Sky Survey II (SDSS-II) SN Survey. We…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-09 H. Campbell , M. Fraser , G. Gilmore

Recovered SN Ia rate from simulated LSST images

The Legacy Survey of Space and Time (LSST) will revolutionize Time Domain Astronomy by detecting millions of transients. In particular, it is expected to increment the number of type Ia supernovae (SNIa) of a factor of 100 compared to…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-29 Vincenzo Petrecca , Maria Teresa Botticella , Enrico Cappellaro , Laura Greggio , Bruno Sánchez , Anais Möller , Masao Sako , Melissa Graham , Maurizio Paolillo , Federica Bianco , the LSST Dark Energy Science Collaboration

Space-borne global astrometric surveys: the hunt for extra-solar planets

The proposed global astrometry mission {\it GAIA}, recently recommended within the context of ESA's Horizon 2000 Plus long-term scientific program, appears capable of surveying the solar neighborhood within $\sim$ 200 pc for the astrometric…

Astrophysics · Physics 2009-10-31 M. G. Lattanzi , A. Spagna , A. Sozzetti , S. Casertano

Structural Parameters of the Thin Disk Population from Evolved Stars in Solar Neighborhood

This study investigates the structural parameters of the thin-disk population by analyzing the spatial distribution of evolved stars in the solar neighbourhood. From the $\it Gaia$ Data Release 3 database, about 39.1 million stars within 1…

Astrophysics of Galaxies · Physics 2025-01-09 S. Iyisan , S. Bilir , O. Onal Tas , O. Plevne

Statistical Connections Between the Properties of Type Ia Supernovae and the B--V Colors of Their Parent Galaxies, and the Value of H$_0$

Statistical connections between the properties of Type Ia supernovae (SNe Ia) and the B--V colors of their parent galaxies are established. Compared to SNe Ia in blue galaxies [B-V$\la$0.75], SNe Ia in redder galaxies have (1) a wider…

Astrophysics · Physics 2016-08-30 David Branch , W. Romanishin , E. Baron

Science performance of Gaia, ESA's space-astrometry mission

Gaia is the next astrometry mission of the European Space Agency (ESA), following up on the success of the Hipparcos mission. With a focal plane containing 106 CCD detectors, Gaia will survey the entire sky and repeatedly observe the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 J. H. J. de Bruijne

Constraints on Photometric Calibration from Observations of High-Redshift Type Ia Supernovae

The good match of the type Ia supernova (SNIa) Hubble Diagram to the prediction of a not-unreasonable cosmological world model shows that measurements of standard stars and their comparison with point sources down to m=25 mag is good to…

Astrophysics · Physics 2007-05-23 David W. Hogg

Calibrating the effective magnitudes of type Ia supernovae with a model-independent method

This research explores the correlation between the absolute magnitude and the redshift of Type Ia supernovae (SNe Ia) with a model-independent approach. The Pantheon sample of SNe Ia and strong gravitational lensing systems (SGLS) are used.…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-19 Jian Hu , Jian-Ping Hu , Zhongmu Li , Wenchang Zhao , Jing Chen

On Cepheid Distance Scale Bias due to Stellar Companions and Cluster Populations

State-of-the art photometric measurements of extragalactic Cepheids account for the mean additional light due to chance superposition of Cepheids on crowded backgrounds through the use of artificial star measurements. However, light from…

Solar and Stellar Astrophysics · Physics 2018-07-11 Richard I. Anderson , Adam G. Riess

Converging on the Cepheid Metallicity Dependence: Implications of Non-Standard Gaia Parallax Recalibration on Distance Measures

By comparing Cepheid brightnesses with geometric distance measures including Gaia EDR3 parallaxes, most recent analyses conclude metal-rich Cepheids are brighter, quantified as $\gamma \sim -0.2$ mag/dex. While the value of $\gamma$ has…

Astrophysics of Galaxies · Physics 2025-11-21 Louise Breuval , Gagandeep S. Anand , Richard I. Anderson , Rachael Beaton , Anupam Bhardwaj , Stefano Casertano , Gisella Clementini , Mauricio Cruz Reyes , Giulia De Somma , Martin A. T. Groenewegen , Caroline D. Huang , Pierre Kervella , Saniya Khan , Lucas M. Macri , Marcella Marconi , Javier H. Minniti , Adam G. Riess , Vincenzo Ripepi , Martino Romaniello , Daniel Scolnic , Erasmo Trentin , Piotr Wielgorski , Wenlong Yuan

Photometric Determination of Main-Sequence Binaries with Gaia

Since its launch in 2013, the Gaia space telescope has provided precise measurements of the positions and magnitudes of over 1 billion stars. This has enabled extensive searches for stellar and sub-stellar companions through astrometric and…

Solar and Stellar Astrophysics · Physics 2023-12-11 A. L. Wallace

Distances and parallax bias in Gaia DR2

We derive Bayesian distances for all stars in the RV sample of Gaia DR2, and use the statistical method of Schoenrich, Binney & Asplund(2012) to validate the distances and test the Gaia parallaxes. In contrast to other methods, which rely…

Astrophysics of Galaxies · Physics 2019-06-05 Ralph Schönrich , Paul McMillan , Laurent Eyer

On the Relation Between Peak Luminosity and Parent Population of Type Ia Supernovae: A New Tool for Probing the Ages of Distant Galaxies

We study the properties of Type Ia Supernovae (SNe Ia) as functions of the radial distance from their host galaxy centers. Using a sample of 62 SNe Ia with reliable luminosity, reddening, and decline rate determinations, we find no…

Astrophysics · Physics 2009-10-31 Valentin D. Ivanov , Mario Hamuy , Philip A. Pinto

Projected distances to host galaxy reduce SNIa dispersion

We use multi-band imagery data from the Sloan Digital Sky Survey (SDSS) to measure projected distances of 302 supernova type Ia (SNIa) from the centre of their host galaxies, normalized to the galaxy's brightness scale length, with a…

Astrophysics of Galaxies · Physics 2019-01-02 R. Hill , H. Shariff , R. Trotta , S. Ali-Khan , X. Jiao , Y. Liu , S. K. Moon , W. Parker , M. Paulus , D. A. van Dyk , L. B. Lucy