The white dwarf cooling anomaly is an additional cooling delay that has been observed for ultramassive forms of these compact stellar remnants. As a white...

that delays its cooling. Another possible mechanism that was suggested to explain this cooling anomaly in some types of white dwarfs is a solid–liquid...

astronomy, the term compact object (or compact star) refers collectively to white dwarfs, neutron stars, and black holes. It could also include exotic stars if...

the term "brown dwarf", using "brown" as an approximate color. The term "black dwarf" still refers to a white dwarf that has cooled to the point that...

This is a list of exoplanets and planetary debris disks around white dwarfs. Circumbinary exoplanets found with eclipse timing variations are sometimes...

temperature of 7,800 K and will cool as its residual heat escape to the cosmos. The rate of cooling allows its age in the white dwarf stage to be estimated at...

runaway helium fusion process can also occur on the surface of accreting white dwarf stars. Low-mass stars do not produce enough gravitational pressure to...

Van Maanen 2, or van Maanen's Star, is the closest known solitary white dwarf to the Solar System. It is a dense, compact stellar remnant no longer generating...

Sedna (minor-planet designation: 90377 Sedna) is a dwarf planet in the outermost reaches of the Solar System, orbiting the Sun far beyond the orbit of...

Gonggong (minor-planet designation: 225088 Gonggong) is a dwarf planet and a member of the scattered disc beyond Neptune. It has a highly eccentric and...

Sirius B". astrobites.org. Imamura, James N. (2 October 1995). "Cooling of White Dwarfs". University of Oregon. Archived from the original on 15 December...

up as helium-rich white dwarfs after retracing their evolution track from the "born-again" giant phase back to the white dwarf cooling track. There are...

Its outer layers will be ejected into space, leaving behind a dense white dwarf, half the original mass of the Sun but only the size of Earth. The ejected...

Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest...

stellar-mass objects as stellar remnants—white dwarfs, neutron stars, and black holes. In the Black Hole Era, white dwarfs, neutron stars, and other smaller...

occurs during the last evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion. The original object, called...

6.6 ± 1.0 kpc distance) is thought to likely be a cool red dwarf (95% probability), or a white dwarf (4% probability), with a very slight chance that it...

(celestial object) pre-white dwarf, a star that no longer creates energy through fusion that will eventually evolve into a white dwarf PWN – (celestial object)...

Haumea (minor-planet designation: 136108 Haumea) is a dwarf planet located beyond Neptune's orbit. It was discovered in 2004 by a team headed by Mike...

fluctuations or other causes produce cooling, then this creates more ice, but ice reflects sunlight causing even more cooling, creating a feedback loop until...

et al. (September 2024). "An Earth-Mass Planet and a Brown Dwarf in Orbit Around a White Dwarf". Accepted for Publication. 8 (12): 1575–1582. arXiv:2409...

cation (H2+), which, in cooler DA white dwarfs, causes similar signatures in the Lyman-alpha line. This is just the cooling age. Brown, A. G. A.; et al. (Gaia...

perfection", akin to Spector's production ethos, and may have overlooked minor anomalies that were less noticeable on 1960s playback systems. A true stereo mix...

Chandrasekhar. He is known for his work in determining the maximum mass of white dwarf stars, leading to greater understanding of high energy astronomical phenomena...

Quaoar (minor-planet designation: 50000 Quaoar) is a ringed dwarf planet in the Kuiper Belt, a ring of many icy planetesimals beyond Neptune. It has an...

Stream undergoes evaporative cooling. The cooling is wind-driven; wind moving over the water causes evaporation, cooling the water and increasing its...

depends upon the total mass of the star. Very low mass stars slowly cool as white dwarf stars with a small core balancing gravitational attraction with electron...

Máni is large enough that some astronomers believe that it might be a dwarf planet. The surface of Máni is dark gray and is composed of water and carbon...

called metal weak stars. white dwarf A type of stellar remnant composed mostly of electron-degenerate matter. A white dwarf lacks the mass needed to continue...

red dwarfs, begin to fade. At the end of the stellar age, galaxies will be composed of compact objects: brown dwarfs, white dwarfs that are cooling or...