Connecting Infrared Surface Brightness Fluctuation Distances to Type Ia Supernova Hosts: Testing the Top Rung of the Distance Ladder

Autor: Peter Garnavich, Charlotte M. Wood, Peter Milne, Joseph B. Jensen, John P. Blakeslee, Peter J. Brown, Daniel Scolnic, Benjamin Rose, Dillon Brout

Publikováno v: The Astrophysical Journal, Vol 953, Iss 1, p 35 (2023)

We compare infrared surface brightness fluctuation (IR SBF) distances measured in galaxies that have hosted type Ia supernovae (SNe Ia) to distances estimated from SNe Ia light-curve fits. We show that the properties of the SNe Ia found in IR SBF hos

Externí odkaz: https://doaj.org/article/40632d465a2a4a80808637c2f96475a8

The Pantheon+ Analysis: Cosmological Constraints

Autor: Dillon Brout, Dan Scolnic, Brodie Popovic, Adam G. Riess, Anthony Carr, Joe Zuntz, Rick Kessler, Tamara M. Davis, Samuel Hinton, David Jones, W. D’Arcy Kenworthy, Erik R. Peterson, Khaled Said, Georgie Taylor, Noor Ali, Patrick Armstrong, Pranav Charvu, Arianna Dwomoh, Cole Meldorf, Antonella Palmese, Helen Qu, Benjamin M. Rose, Bruno Sanchez, Christopher W. Stubbs, Maria Vincenzi, Charlotte M. Wood, Peter J. Brown, Rebecca Chen, Ken Chambers, David A. Coulter, Mi Dai, Georgios Dimitriadis, Alexei V. Filippenko, Ryan J. Foley, Saurabh W. Jha, Lisa Kelsey, Robert P. Kirshner, Anais Möller, Jessie Muir, Seshadri Nadathur, Yen-Chen Pan, Armin Rest, Cesar Rojas-Bravo, Masao Sako, Matthew R. Siebert, Mat Smith, Benjamin E. Stahl, Phil Wiseman

Publikováno v: Brout, D, Scolnic, D, Popovic, B, Riess, A G, Carr, A, Zuntz, J, Kessler, R, Davis, T M, Hinton, S, Jones, D, Kenworthy, W DA, Peterson, E R, Said, K, Taylor, G, Ali, N, Armstrong, P, Charvu, P, Dwomoh, A, Meldorf, C, Palmese, A, Qu, H, Rose, B M, Sanchez, B, Stubbs, C W, Vincenzi, M, Wood, C M, Brown, P J, Chen, R, Chambers, K, Coulter, D A, Dai, M, Dimitriadis, G, Filippenko, A V, Foley, R J, Jha, S W, Kelsey, L, Kirshner, R P, Möller, A, Muir, J, Nadathur, S, Pan, Y-C, Rest, A, Rojas-Bravo, C, Sako, M, Siebert, M R, Smith, M, Stahl, B E & Wiseman, P 2022, ' The Pantheon+ Analysis: Cosmological Constraints ', Astrophysical Journal, vol. 938, no. 2, 110, pp. 1-24 . https://doi.org/10.3847/1538-4357/ac8e04
Astrophys.J.
Astrophys.J., 2022, 938 (2), pp.110. ⟨10.3847/1538-4357/ac8e04⟩

We present constraints on cosmological parameters from the Pantheon+ analysis of 1701 light curves of 1550 distinct Type Ia supernovae (SNe Ia) ranging in redshift from $z=0.001$ to 2.26. This work features an increased sample size, increased redshif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e1c455d9a42f0ffcb8320898e88660c

Testing the Top Rung of the Distance Ladder: Understanding Type Ia Supernova Variations and Their Effect on the Hubble Constant

Autor: Charlotte M. Wood

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b799facc5f5e271f9bff890df589b22

Infrared Surface Brightness Fluctuation Distances for MASSIVE and Type Ia Supernova Host Galaxies

Autor: R. Brent Tully, John Blakeslee, Michele Cantiello, John R. Lucey, Charlotte M. Wood, Joseph B. Jensen, Anh Phan, Peter M. Garnavich, Chung-Pei Ma, Peter J. Brown, Peter A. Milne, Jenny E. Greene

Publikováno v: The Astrophysical Journal Supplement Series, 2021, Vol.255(2), pp.21 [Peer Reviewed Journal]

We measured high-quality surface brightness fluctuation (SBF) distances for a sample of 63 massive early-type galaxies using the WFC3/IR camera on the Hubble Space Telescope. The median uncertainty on the SBF distance measurements is 0.085 mag, or 3.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b84b03619f875a05cc895bf2ea2feecf
http://arxiv.org/abs/2105.08299

Rapid Variability in the Wind from the White Dwarf Merger Candidate J005311

Autor: Peter M. Garnavich, Richard W. Pogge, Charlotte M. Wood, Colin Littlefield

Publikováno v: Research Notes of the AAS. 4:167

We analyze time-series spectroscopy of the white dwarf merger candidate J005311 and confirm the unique nature of its optical spectrum. We detect an additional broad emission feature peaking at 343 nm that was predicted in the Gvaramadze et al. (2019)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bad50590504cce7fecf5a1503e43788d
https://doi.org/10.3847/2515-5172/abbb8b