volume 674 pages A37

Gaia Data Release 3. Mapping the asymmetric disc of the Milky Way

Ronald Drimmel 1
M. Romero-Gómez 2
Laurent Chemin 3
Pau Ramos 1
Eloisa Poggio 4
V. Ripepi 5
René Andrae 1
R. Blomme 6
T. Cantat-Gaudin 7
Alfred Castro-Ginard 8
Gisella Clementini 9
F. Figueras 10
Morgan Fouesneau 1
Y. Fremat 6
K. Jardine 11
A. Lobel 6
Douglas J. Marshall 13
Tatiana Muraveva 1
Anthony G. A. Brown 14
A. Vallenari 1
T. Prusti 1
Jos de Bruijne 1
Frederic Arenou 15
Carine Babusiaux 1
M. Biermann 1
O. Creevey 1
C. Ducourant 1
D. W. Evans 1
Laurent Eyer 1
R. Guerra 1
A. Hutton 1
Carme Jordi 1
Sergei A. Klioner 1
U. L. Lammers 1
L. Lindegren 1
X. Luri 1
F. Mignard 1
C. Panem 1
D. Pourbaix 1
Sofia Randich 1
P. Sartoretti 15
C. Soubiran 1
P. Tanga 1
N. A. Walton 1
C. A. L. Bailer-Jones 1
Ulrich Bastian 1
F. Jansen 1
D. Katz 1
F van Leeuwen 1
J. Bakker 1
C. Cacciari 1
J. Castañeda 1
Francesca De Angeli 1
Claus Fabricius 1
L. Galluccio 1
A Guerrier 1
U. Heiter 1
E. Masana 1
R. Messineo 1
N. Mowlavi 1
C. Nicolas 1
K. Nienartowicz 1
F. Pailler 1
P. Panuzzo 1
F. Riclet 1
W. Roux 1
J. Bland-Hawthorn 1
R. Sordo 1
F. Thévenin 1
G. Gracia-Abril 1
Jordi Portell 1
D. Teyssier 1
M. Altmann 1
Marc Audard 1
I Bellas-Velidis 1
K Benson 1
J. Berthier 1
P. W. Burgess 1
D. Busonero 1
G. Busso 1
Hector Canovas 1
B. Carry 1
Alberto Cellino 1
N. Cheek 1
Y. Damerdji 1
M Davidson 1
P. de Teodoro 1
M. Nuñez Campos 1
L. Delchambre 1
A. Dell'Oro 1
P. Esquej 1
J. Fernández-Hernández 1
E. Fraile 1
D. Garabato 1
P. García-Lario 1
E. Gosset 1
R. Haigron 1
J.-L. Halbwachs 1
N. C. Hambly 1
D. L. Harrison 1
J. Hernández 1
D. Hestroffer 1
S. T. Hodgkin 1
B. Holl 1
K. Janßen 1
G. Jevardat de Fombelle 1
Alessandro C. Lanzafame 1
W. Löffler 1
W. Löffler 1
K. Muinonen 1
P. J. Osborne 1
T Pauwels 1
Celine Reyle 1
Marco Riello 1
Lorenzo Rimoldini 1
T. Roegiers 1
Jan Rybizki 1
C. Siopis 1
M. C. Smith 1
E. Utrilla 1
M. van Leeuwen 1
U. Abbas 1
Peter Abraham 1
A. Abreu Aramburu 1
C. Aerts 1
M. Ajaj 1
F. Aldea-Montero 1
G. Altavilla 1
M. A. Álvarez 1
João F. Alves 1
F. Anders 1
Richard I. Anderson 1
E. Anglada Varela 1
T. Antoja 1
Deborah Baines 1
S. G. Baker 1
Lola Balaguer-Núñez 1
E. Balbinot 1
Z. Balog 1
C. Barache 1
D. Barbato 1
M. Barros 1
M. A. Barstow 1
S. Bartolomé 1
J.-L. Bassilana 1
N. Bauchet 1
U. Becciani 1
Michele Bellazzini 1
M. Bernet 1
Stefano Bertone 1
L. Bianchi 1
Sergi Blanco-Cuaresma 1
Thomas Boch 1
Diego Bossini 1
S. Bouquillon 1
L. Bramante 1
Elmé Breedt 1
N. Brouillet 1
E. Brugaletta 1
Beatrice Bucciarelli 1
Alexey G. Butkevich 1
R. Buzzi 1
Elisabetta Caffau 1
R. Cancelliere 1
R. Carballo 1
T. Carlucci 1
Maria I. Carnerero 1
Laia Casamiquela 1
M. Castellani 1
L. Chaoul 1
Patrick Charlot 1
V. Chiaramida 1
Nicholas Chornay 1
G. Comoretto 1
G. Contursi 1
T. Cornez 1
S. COWELL 1
F. Crifo 1
M. Cropper 1
M. T. Crosta 1
C. CROWLEY 1
C. Dafonte 1
P. David 1
P. de Laverny 1
F. De Luise 1
R. De March 1
J. De Ridder 1
R. de Souza 1
E. F. del Peloso 1
POZO E DEL 1
M. Delbo 1
J.-B. Delisle 1
C. Demouchy 1
Thavisha E. Dharmawardena 1
P. Di Matteo 1
S. Diakite 1
C. Diener 1
Elisa Distefano 1
C. Dolding 1
A. Siebert 1
C Fabre 1
M. Fabrizio 1
S. Faigler 1
Grigori Fedorets 1
P. Fernique 1
Y. Fournier 1
C. Fouron 1
Francesca Fragkoudi 1
Mario G. Lattanzi 1
M. Garcia-Reinaldos 1
M. García-Torres 1
Panagiotis Gavras 1
E. Gerlach 1
R. Geyer 1
Paolo Giacobbe 1
Gerard Gilmore 1
S. Girona 1
G. Giuffrida 1
Roy Gomel 1
A. Gomez 1
J. González-Núñez 1
I. González-Santamaría 1
J. J. González-Vidal 1
Mikael Granvik 1
P. Guillout 1
J. Guiraud 1
R. Gutiérrez-Sánchez 1
Leanne P. Guy 1
D. Hatzidimitriou 1
M. Hauser 1
M. Haywood 15
N. Hładczuk 1
D. Hobbs 1
G Holland 1
H. E. Huckle 1
G. Jasniewicz 1
A. Jean-Antoine Piccolo 1
Ó. Jiménez-Arranz 1
J. Juaristi Campillo 1
F. Julbe 1
L. Karbevska 1
Pierre Kervella 1
G. Kordopatis 1
A. J. Korn 1
Z. Kostrzewa-Rutkowska 1
K Kruszyńska 1
Mária Kun 1
P. Laizeau 1
S. B. Lambert 1
A. F. Lanza 1
Y. LASNE 1
J.-F. Le Campion 1
Y. Lebreton 16, 17
Thomas Lebzelter 1
S. Leccia 1
N. Leclerc 1
I. Lecoeur-Taibi 1
S. Liao 1
E. L. Licata 1
T. E. Lister 1
E. Livanou 1
C. Loup 1
P. Madrero Pardo 1
A. Magdaleno Romeo 1
S. Managau 1
R. G. Mann 1
M. Manteiga 1
Juan Carlos Algaba 1
M. M. S. Marcos Santos 1
F. Marchesoni 1
S. Marinoni 1
Federico Marocco 1
L. Martin Polo 1
Gabor Marton 1
N. Mary 1
Davide Massari 1
Tsevi Mazeh 1
S. Messina 1
Daniel Michalik 1
D. Molina 1
R. Molinaro 1
L. Molnár 1
G. Monari 1
M. Monguió 1
P. Montegriffo 1
R. Mor 1
R. Morbidelli 1
T. Morel 1
D. Morris 1
C. P. MURPHY 1
I. Musella 1
Zsófia Nagy 1
L. Noval 1
Francisco José Ocaña 1
C. Ordenovic 1
J. O. Osinde 1
C. Pagani 1
I. Pagano 1
Lovro Palaversa 1
Pedro A. Palicio 1
L. Pallas-Quintela 1
S. Payne-Wardenaar 1
X. Peñalosa Esteller 1
B. Pichon 1
A. M. Piersimoni 1
E. Plachy 1
G. Plum 1
Luigi Pulone 1
E. Racero 1
S. Ragaini 1
M. Rainer 1
M. Ramos-Lerate 1
Paola Re Fiorentin 1
S. Regibo 1
C Rios Diaz 1
G. Rixon 1
N. Robichon 1
Annie C. Robin 1
C. Robin 1
Maroussia Roelens 1
L. Rohrbasser 1
N. Rowell 1
F. Royer 1
D. Ruz-Mieres 1
Krzysztof A. Rybicki 1
G. Sadowski 1
A. Sáez Núñez 1
J. Sahlmann 1
E. Salguero 1
N. Samaras 1
V. Sanchez Gimenez 1
N. Sanna 1
R. Santoveña 1
M. Sarasso 1
E. Sciacca 1
M. Segol 1
J.C. Segovia 1
Damien Ségransan 1
D. Semeux 1
Sahar Shahaf 1
H. Siddiqui 1
L. Siltala 1
E. Slezak 1
I. Slezak 1
O. N. Snaith 1
Enrique Solano 1
F. Solitro 1
D. Souami 1
J. Souchay 1
Lorenzo Spina 1
F. Spoto 1
I. K. Steele 1
H. Steidelmüller 1
Chad A. Stephenson 1
M. Süveges 1
J. Surdej 1
L. Szabados 1
E. Szegedi-Elek 1
F. Taris 1
M. B. Taylor 1
Ramachrisna Teixeira 1
L. Tolomei 1
N. Tonello 1
F. Torra 1
J. Torra 1
G. Torralba Elipe 1
Michele Trabucchi 1
A. T. Tsounis 1
C. Turon 1
Nicolas Unger 1
E. van Dillen 1
W. van Reeven 1
O. Vanel 1
Y. Viala 1
D. Vicente 1
S. Voutsinas 1
Michael Weiler 1
Thomas Wevers 1
Ł. Wyrzykowski 1
P. Yvard 1
He Zhao 1
J. Zorec 1
Shay Zucker 1
Tomaž Zwitter 1
2
 
LAM - Laboratoire d'Astrophysique de Marseille (Pôle de l'Étoile Site de Château-Gombert 38, rue Frédéric Joliot-Curie 13388 Marseille cedex 13 - France)
4
 
OCA - Observatoire de la Côte d'Azur (B.P. 4229 06304 Nice Cedex 4 - France)
6
 
ROB - Royal Observatory of Belgium = Observatoire Royal de Belgique (Ringlaan 3 1180 Brussels - Belgium)
8
 
ICCUB - Institut de Ciencies del Cosmos (Marti i Franques 1, E08028 Barcelona - Spain)
10
 
BIOVERT - BIOVERT (France)
13
 
AIM (UMR_7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation (AIM - UMR 7158 - UMR E 9005, ex 'Astrophysique Interactions Multi-échelles', Service d'astrophysique, CEA/Saclay, Orme des Merisiers F-91191 GIF SUR YVETTE CEDEX - France)
14
 
Sterrewacht Leiden (Postbus 9513, 2300 RA LEIDEN - Netherlands)
15
 
GEPI - Galaxies, Etoiles, Physique, Instrumentation (5, place Jules Janssen 92195 MEUDON CEDEX - France)
17
 
LESIA - Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (5, place Jules Janssen 92190 MEUDON - France)
Publication typeJournal Article
Publication date2023-06-01
scimago Q1
wos Q1
SJR1.968
CiteScore8.9
Impact factor5.8
ISSN00046361, 14320746, 23291273, 23291265
Space and Planetary Science
Astronomy and Astrophysics
Abstract

Context. With the most recent Gaia data release, the number of sources with complete 6D phase space information (position and velocity) has increased to well over 33 million stars, while stellar astrophysical parameters are provided for more than 470 million sources, and more than 11 million variable stars are identified.

Aims. Using the astrophysical parameters and variability classifications provided in Gaia DR3, we selected various stellar populations to explore and identify non-axisymmetric features in the disc of the Milky Way in configuration and velocity space.

Methods. Using more about 580 000 sources identified as hot OB stars, together with 988 known open clusters younger than 100 Myr, we mapped the spiral structure associated with star formation 4−5 kpc from the Sun. We selected over 2800 Classical Cepheids younger than 200 Myr that show spiral features extending as far as 10 kpc from the Sun in the outer disc. We also identified more than 8.7 million sources on the red giant branch (RGB), of which 5.7 million have line-of-sight velocities. This later sample allows the velocity field of the Milky Way to be mapped as far as 8 kpc from the Sun, including the inner disc.

Results. The spiral structure revealed by the young populations is consistent with recent results using Gaia EDR3 astrometry and source lists based on near-infrared photometry, showing the Local (Orion) Arm to be at least 8 kpc long, and an outer arm consistent with what is seen in HI surveys, which seems to be a continuation of the Perseus arm into the third quadrant. The subset of RGB stars with velocities clearly reveals the large-scale kinematic signature of the bar in the inner disc, as well as evidence of streaming motions in the outer disc that might be associated with spiral arms or bar resonances. A local comparison of the velocity field of the OB stars reveals similarities and differences with the RGB sample.

Conclusions. This cursory study of Gaia DR3 data shows there is a rich bounty of kinematic information to be explored more deeply, which will undoubtedly lead us to a clearer understanding of the dynamical nature of the non-axisymmetric structures of the Milky Way.

Found 
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Drimmel R. et al. Gaia Data Release 3. Mapping the asymmetric disc of the Milky Way // Astronomy and Astrophysics. 2023. Vol. 674. p. A37.
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Drimmel R. et al. Gaia Data Release 3. Mapping the asymmetric disc of the Milky Way // Astronomy and Astrophysics. 2023. Vol. 674. p. A37.
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@article{2023_Drimmel,
author = {Ronald Drimmel and M. Romero-Gómez and Laurent Chemin and Pau Ramos and Eloisa Poggio and V. Ripepi and René Andrae and R. Blomme and T. Cantat-Gaudin and Alfred Castro-Ginard and Gisella Clementini and F. Figueras and Morgan Fouesneau and Y. Fremat and K. Jardine and Shourya Khanna and A. Lobel and Douglas J. Marshall and Tatiana Muraveva and Anthony G. A. Brown and A. Vallenari and T. Prusti and Jos de Bruijne and Frederic Arenou and Carine Babusiaux and M. Biermann and O. Creevey and C. Ducourant and D. W. Evans and Laurent Eyer and R. Guerra and A. Hutton and Carme Jordi and Sergei A. Klioner and U. L. Lammers and L. Lindegren and X. Luri and F. Mignard and C. Panem and D. Pourbaix and Sofia Randich and P. Sartoretti and C. Soubiran and P. Tanga and N. A. Walton and C. A. L. Bailer-Jones and Ulrich Bastian and F. Jansen and D. Katz and Mario G. Lattanzi and others},
title = {Gaia Data Release 3. Mapping the asymmetric disc of the Milky Way},
journal = {Astronomy and Astrophysics},
year = {2023},
volume = {674},
publisher = {EDP Sciences},
month = {jun},
url = {https://www.aanda.org/10.1051/0004-6361/202243797},
pages = {A37},
doi = {10.1051/0004-6361/202243797}
}