
Deriving Distance Modulus: m - M = 5log(d/10) - Physics Forums
Jun 17, 2006 · The discussion focuses on the derivation of the distance modulus formula, expressed as m - M = 5log (d/10). This formula relates apparent magnitude (m) and absolute magnitude (M) to the …
M - M as the distance modulus, and a question about the distance ladder
Feb 8, 2020 · The discussion revolves around the concept of the distance ladder in astronomy, specifically focusing on the distance modulus and the determination of absolute magnitude (M) for …
Finding the distance modulus and the absolute magnitude
Sep 29, 2007 · The discussion focuses on calculating the distance modulus and absolute magnitude of a star with an apparent magnitude of -0.4 and a parallax of 0.3 arcseconds. The relevant equations …
Distance Comparison: Converting 48 Distance Modulus to Meters
May 12, 2015 · The distance modulus (μ) is merely the difference between apparent magnitude and absolute magnitude. You are also not going to see a distance modulus of 48 because that would …
Distance Modulus of a Star cluster - Physics Forums
Apr 25, 2019 · The distance modulus of a star cluster is a critical concept in astrophysics, defined by the formula μ = m - M, where μ is the distance modulus, m is the apparent magnitude, and M is the …
Elastic Section Modulus vs Moment of Inertia - Physics Forums
Aug 25, 2016 · The discussion centers on the concepts of Elastic Section Modulus and Moment of Inertia within the context of Structural Engineering. Participants explore the definitions, applications, …
Dark Energy Part 3: Fitting the SCP Union 2.1 Supernova Data
Apr 25, 2020 · Specifically, they were able to obtain the “distance modulus” and redshift for hundreds of distant supernovae. That is the SCP Union2.1 data I will fit using EdS and CDM kinematics obtained …
How Far Is the Star Cluster with Apparent Magnitude 15 mag and B-V …
Jan 30, 2018 · The discussion revolves around calculating the distance to a star cluster based on its apparent magnitude and color index, using the properties of a reference star, Vega. The problem …
What is the Modulus of Rupture formula and how is it derived?
Mar 2, 2007 · The Modulus of Rupture formula can be derrived simply by using basic statics and strength of material equations. Let's start with a beam of length L loaded at midspan with a force F …
Is there a way to convert distance modulus to get H (z) values
Apr 7, 2023 · The original poster acknowledges that their data is in distance_modulus (z) form, indicating a need to convert this to H (z) values. A later reply mentions that redshifts are not fixed frequencies …