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to the USA team in the International Olympiad in Astronomy and Astrophysics competition 2017

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Long Period Variables

observing section

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Recent Activity
 
 

Variable Star Observations in Database:

34,946,078 and Counting ...
Last Observation Received:

2 hours 39 min ago by KSLA - Steven Koontz (US)

W ORI   Dec 21.1567   5.3Vis.   

Plot W ORI light curve

 
 

Stellar News Feed

New discovery finds starving white dwarfs are binge eaters

New findings on old favorites. AAVSO and Kepler data enable a new study of MV Lyra, which was published in the journal Nature. “We have seen episodes of strong flares of accretion interrupted by periods with no evidence of accretion. This sporadic activity is best explained by the presence of a strong magnetic field comparable to that of 1000 fridge magnets”  the lead author, Dr Scaringi, sais.

Discovery of New Planet Reveals Distant Solar System to Rival Our Own

The discovery of an eighth planet circling the distant star Kepler-90 by University of Texas at Austin astronomer Andrew Vanderburg and Google’s Christopher Shallue overturns our solar system’s status as having the highest number of known planets. We're now in a tie.

Read more here

New eruptions detected in two luminous blue variables

Astronomers report the detection of new eruptions in two luminous blue variables, known as R 40 and R 110, located in the Magellanic Clouds.

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Stellar nursery next to a black hole?

At the center of our galaxy, in the immediate vicinity of its supermassive black hole, is a region wracked by powerful tidal forces and bathed in intense ultraviolet light and X-ray radiation. These harsh conditions, astronomers long surmised, do not favor star formation, especially low-mass stars like our sun. However, new obervations suggest otherwise ...

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