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Announcing the Candidates for 2018 AAVSO Council Election!

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107th Annual Fall Meeting

book your room in Flagstaff!!

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AAVSO to archive amateur astronomer exoplanet data

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AAVSO seeking an Editor

for the Journal of the American Association of Variable Star Observers (JAAVSO)

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107th Annual Fall Meeting

Registration NOW OPEN!!!!

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News Archives

Variable Star Observations in Database:

37,117,217 and Counting ...
Last Observation Received:

5 min 5 sec ago by BDT - David Branchett (US)

OMI CET   Nov 18.1317   4.3Vis.   

Plot OMI CET light curve

 
 

Stellar News Feed

Astronomers find 72 bright and fast explosions

Gone in a (cosmological) flash: a team of astronomers found 72 very bright, but quick events in a recent survey and are still struggling to explain their origin. Miika Pursiainen of the University of Southampton will present the new results on Tuesday 3 April at the European Week of Astronomy and Space Science.

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Submitted by owentooke on Tue, 04/03/2018 - 15:06

Kepler Beyond Planets: Finding Exploding Stars

A new study describes the most extreme known example of a "fast-evolving luminous transient" (FELT) supernova...

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Submitted by stellakafka on Tue, 03/27/2018 - 09:10

Giant Bubbles on Red Giant Star’s Surface

For the first time, VLT reveals granulation on the aging red giant π1 Gruis a star which has 350 times the diameter of the Sun.

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Submitted by stellakafka on Mon, 03/05/2018 - 10:04

AAVSO observers capture rare microlensing event with an Earth-like planet

AAVSO observers contribute key data to a rare microlensing exoplanet event with an Earth-like planet of 9.2 ± 6.6 M_earth. This is the closest lensing system reported so far. Beautiful light curve in figure 1, showcasing synergy between AAVSO, ASAS-SN, FO, SL and CSAI.

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Submitted by stellakafka on Thu, 03/01/2018 - 12:21

Powerful Flare from Star Proxima Centauri Detected with ALMA

Powerful flare emitted by Proxima Centauri, the star closest to our sun, may make that system rather inhospitable to life after all.

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Submitted by stellakafka on Tue, 02/27/2018 - 09:18

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