Weighing the Galactic disk using phase-space spirals II. Most stringent constraints on a thin dark disk using Gaia EDR3

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Weighing the Galactic disk using phase-space spirals II. Most stringent constraints on a thin dark disk using Gaia EDR3. / Widmark, A.; Laporte, C. F. P.; de Salas, P. F.; Monari, G.

In: Astronomy & Astrophysics, Vol. 653, A86, 15.09.2021.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Widmark, A, Laporte, CFP, de Salas, PF & Monari, G 2021, 'Weighing the Galactic disk using phase-space spirals II. Most stringent constraints on a thin dark disk using Gaia EDR3', Astronomy & Astrophysics, vol. 653, A86. https://doi.org/10.1051/0004-6361/202141466

APA

Widmark, A., Laporte, C. F. P., de Salas, P. F., & Monari, G. (2021). Weighing the Galactic disk using phase-space spirals II. Most stringent constraints on a thin dark disk using Gaia EDR3. Astronomy & Astrophysics, 653, [A86]. https://doi.org/10.1051/0004-6361/202141466

Vancouver

Widmark A, Laporte CFP, de Salas PF, Monari G. Weighing the Galactic disk using phase-space spirals II. Most stringent constraints on a thin dark disk using Gaia EDR3. Astronomy & Astrophysics. 2021 Sep 15;653. A86. https://doi.org/10.1051/0004-6361/202141466

Author

Widmark, A. ; Laporte, C. F. P. ; de Salas, P. F. ; Monari, G. / Weighing the Galactic disk using phase-space spirals II. Most stringent constraints on a thin dark disk using Gaia EDR3. In: Astronomy & Astrophysics. 2021 ; Vol. 653.

Bibtex

@article{3af9a110257e47db953762fed285e50b,
title = "Weighing the Galactic disk using phase-space spirals II. Most stringent constraints on a thin dark disk using Gaia EDR3",
abstract = "Using the method that was developed in the first paper of this series, we measured the vertical gravitational potential of the Galactic disk from the time-varying structure of the phase-space spiral, using data from Gaia as well as supplementary radial velocity information from legacy spectroscopic surveys. For eleven independent data samples, we inferred gravitational potentials that were in good agreement, despite the data samples' varied and substantial selection e ffects. Using a model for the baryonic matter densities, we inferred a local halo dark matter density of 0.0085 +/- 0.0039 M(circle dot)pc(-3) = 0.32 +/- 0.15 GeV cm(-3). We were also able to place the most stringent constraint on the surface density of a thin dark disk with a scale height",
keywords = "Galaxy: kinematics and dynamics, Galaxy: disk, solar neighborhood, astrometry, SAGITTARIUS DWARF GALAXY, MILKY-WAY DISK, MATTER DENSITY, INTERSTELLAR GAS, STARS, HALO, PLANE, WAVES, SUBSTRUCTURE, KINEMATICS",
author = "A. Widmark and Laporte, {C. F. P.} and {de Salas}, {P. F.} and G. Monari",
year = "2021",
month = sep,
day = "15",
doi = "10.1051/0004-6361/202141466",
language = "English",
volume = "653",
journal = "Astronomy & Astrophysics",
issn = "0004-6361",
publisher = "E D P Sciences",

}

RIS

TY - JOUR

T1 - Weighing the Galactic disk using phase-space spirals II. Most stringent constraints on a thin dark disk using Gaia EDR3

AU - Widmark, A.

AU - Laporte, C. F. P.

AU - de Salas, P. F.

AU - Monari, G.

PY - 2021/9/15

Y1 - 2021/9/15

N2 - Using the method that was developed in the first paper of this series, we measured the vertical gravitational potential of the Galactic disk from the time-varying structure of the phase-space spiral, using data from Gaia as well as supplementary radial velocity information from legacy spectroscopic surveys. For eleven independent data samples, we inferred gravitational potentials that were in good agreement, despite the data samples' varied and substantial selection e ffects. Using a model for the baryonic matter densities, we inferred a local halo dark matter density of 0.0085 +/- 0.0039 M(circle dot)pc(-3) = 0.32 +/- 0.15 GeV cm(-3). We were also able to place the most stringent constraint on the surface density of a thin dark disk with a scale height

AB - Using the method that was developed in the first paper of this series, we measured the vertical gravitational potential of the Galactic disk from the time-varying structure of the phase-space spiral, using data from Gaia as well as supplementary radial velocity information from legacy spectroscopic surveys. For eleven independent data samples, we inferred gravitational potentials that were in good agreement, despite the data samples' varied and substantial selection e ffects. Using a model for the baryonic matter densities, we inferred a local halo dark matter density of 0.0085 +/- 0.0039 M(circle dot)pc(-3) = 0.32 +/- 0.15 GeV cm(-3). We were also able to place the most stringent constraint on the surface density of a thin dark disk with a scale height

KW - Galaxy: kinematics and dynamics

KW - Galaxy: disk

KW - solar neighborhood

KW - astrometry

KW - SAGITTARIUS DWARF GALAXY

KW - MILKY-WAY DISK

KW - MATTER DENSITY

KW - INTERSTELLAR GAS

KW - STARS

KW - HALO

KW - PLANE

KW - WAVES

KW - SUBSTRUCTURE

KW - KINEMATICS

U2 - 10.1051/0004-6361/202141466

DO - 10.1051/0004-6361/202141466

M3 - Journal article

VL - 653

JO - Astronomy & Astrophysics

JF - Astronomy & Astrophysics

SN - 0004-6361

M1 - A86

ER -

ID: 280231823