This is a list of

binary system A binary system is a system of two astronomical bodies of the same kind that are comparable in size. Definitions vary, but typically require the center of mass to be located outside of either object. (See animated examples.) The most common ki ...

s that have a primary star eclipsed, as seen from Earth, by a

circumstellar disk A Circumstellar disc (or circumstellar disk) is a torus, pancake or ring-shaped accretion disk of matter composed of gas, dust, planetesimals, asteroids, or collision fragments in orbit around a star. Around the youngest stars, they are the res ...

around the secondary (including possible

ring system A ring system is a disc or torus orbiting an astronomical object that is composed of solid material such as dust, meteoroids, planetoids, moonlets, or stellar objects. Ring systems are best known as planetary rings, common components of sate ...

s). A circumsecondary disk is a disk of gas and/or dust around a

star A star is a luminous spheroid of plasma (physics), plasma held together by Self-gravitation, self-gravity. The List of nearest stars and brown dwarfs, nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night sk ...

white dwarf A white dwarf is a Compact star, stellar core remnant composed mostly of electron-degenerate matter. A white dwarf is very density, dense: in an Earth sized volume, it packs a mass that is comparable to the Sun. No nuclear fusion takes place i ...

substellar object A substellar object, sometimes called a substar, is an astronomical object, the mass of which is smaller than the smallest mass at which hydrogen fusion can be sustained (approximately 0.08 solar masses). This definition includes brown dwarfs and f ...

that is a secondary in a

star system A star system or stellar system is a small number of stars that orbit each other, bound by gravity, gravitational attraction. It may sometimes be used to refer to a single star. A large group of stars bound by gravitation is generally calle ...

. In rare cases the system can be aligned in a way that makes it possible for the circumsecondary disk to transit in front of the primary. In some cases the observed dips can be so deep that researchers describe these dimming events as

occultations An occultation is an event that occurs when one object is hidden from the observer by another object that passes between them. The term is often used in astronomy, but can also refer to any situation in which an object in the foreground blocks f ...

. The object

J1407b J1407b is a substellar object, either a Rogue planet, free-floating planet or brown dwarf, with a large circumplanetary disk or ring system. It was first detected by automated telescopes in 2007 when its disk eclipsed the star V1400 Cent ...

was considered a circumsecondary disk in the past, but later turned out to be more likely a free-floating planetary-mass object with a disk.

PDS 110 PDS 110 is a young 11th apparent magnitude, magnitude star located approximately away in the constellation Orion (constellation), Orion. A series of eclipses was observed in 2008 and 2011, which may have been caused by dust from the star' ...

is a candidate with uncertain status, as later eclipses did not occur.

VVV-WIT-07 VVV-WIT-07 is a unique variable star which presents a sequence of recurrent dimmings (Ks~14.35 – 16.164) with a possible deep eclipse in July 2012. The star, located in the Scorpius (constellation), Scorpius constellation about away, ...

, ASASSN-V J192543.72+402619.0, ASASSN-21co, FY Scuti, OGLE-BLG182.1.162852, and ZTF J185259.31+124955.2 are candidates without much modelling of the disk.

List of transiting disks

Notes

References

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List of transiting disks

See also

Notes

References