The baryonic Tully–Fisher relation for different velocity definitions and implications for galaxy angular momentum

F Lelli, SS McGaugh, JM Schombert…�- Monthly Notices of�…, 2019 - academic.oup.com
… of radio interferometry (see references in Lelli et al. 2016a) and homogeneous near-… eg
Schombert & McGaugh 2014). To date this is the largest sample of galaxies with both extended H

Testing the strong equivalence principle: detection of the external field effect in rotationally supported galaxies

…, F Lelli, H Desmond, SS McGaugh…�- The Astrophysical�…, 2020 - iopscience.iop.org
… We perform this calculation within the standard ΛCDM context (Desmond et al. 2018). A
similar calculation is not feasible in a MOND context due to the strong nonlinearities in the theory …

Testing modified gravity theories with numerical solutions of the external field effect in rotationally supported galaxies

…, F Lelli, H Desmond, SS McGaugh, JM Schombert�- Physical Review D, 2022 - APS
Desmond, SS McGaugh, P. Li, and JM Schombert, Testing the strong equivalence principle:
Detection of the external field effect in rotationally supported galaxies, Astrophys. J. …

The small scatter of the baryonic Tully–Fisher relation

…, SS McGaugh, JM Schombert�- The Astrophysical Journal�…, 2016 - iopscience.iop.org
… We derived surface brightness profiles and asymptotic magnitudes using the Archangel
software (Schombert 2011), following the same procedures as Schombert & McGaugh (2014). …

Testing the strong equivalence principle. II. Relating the external field effect in galaxy rotation curves to the large-scale structure of the universe

…, F Lelli, SS McGaugh, JM Schombert�- The Astrophysical�…, 2021 - iopscience.iop.org
Theories of modified gravity generically violate the strong equivalence principle, so that the
internal dynamics of a self-gravitating system in freefall depends on the strength of the …

Radial acceleration relation in rotationally supported galaxies

SS McGaugh, F Lelli, JM Schombert�- Physical Review Letters, 2016 - APS
We report a correlation between the radial acceleration traced by rotation curves and that
predicted by the observed distribution of baryons. The same relation is followed by 2693 points …

Accelerated Structure Formation: the Early Emergence of Massive Galaxies and Clusters of Galaxies

SS McGaugh, JM Schombert, F Lelli…�- arXiv preprint arXiv�…, 2024 - arxiv.org
Schombert 2016) is an exponential star formation history, … Schombert 2016) may thus seem
like a contradiction, but it may simply mean that many of the stars formed in protogalaxies at …

Uncorrelated velocity and size residuals across galaxy rotation curves

H Desmond, H Katz, F Lelli…�- Monthly Notices of the�…, 2019 - academic.oup.com
… Our method is based on that of Desmond (2017b). We begin with a sample of 153 galaxies
from the SPARC data base (Lelli et al. 2016b), 1 requiring inclination i ≥ 30 and quality flag …

The Baryonic Tully–Fisher Relation in the Local Group and the Equivalent Circular Velocity of Pressure-supported Dwarfs

SS McGaugh, F Lelli, JM Schombert, P Li…�- The Astronomical�…, 2021 - iopscience.iop.org
… Jong 2001; McGaugh 2005). The rotation speed is measured from H i observations reaching
… For the outer circular speed, we apply the method of Lelli et al. (2016a) to the stellar rotation …

The tight empirical relation between dark matter halo mass and flat rotation velocity for late-type galaxies

…, H Desmond, S McGaugh, F Lelli�- Monthly Notices of the�…, 2019 - academic.oup.com
… 0.8 (McGaugh & Schombert 2014, designated as ‘Flat’), although we also show results for
the case where M * /L = 0.5 (‘05’), which minimizes the scatter in the BTFR (Lelli et al. 2016b). …