Skip to main content

Active forum topics

ASAS-SN
SuperWASP saturation limit

Support the AAVSO

 

AAVSO to archive amateur astronomer exoplanet data

Read more...

2019 AAVSO online CHOICE course schedule now available!!

REGISTRATION OPEN Sign up today!!

Read more...

Exoplanet

observing section

Read more...

From our Leadership

President's message

Read more...

AAVSO seeking an Editor

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

Read more...

Pick a Star

Type star name then click action.
Learn More
Recent Activity
 
 

News Archives

Variable Star Observations in Database:

37,543,070 and Counting ...
Last Observation Received:

56 sec ago by DPOA - peter deierlein (US)

XX AND   Jan 17.0675   11.091V   

Plot XX AND 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.

Read more here

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...

Read more here

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.

Read more here

 

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.

Read more here

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.

Read more here

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

AAVSO is an equal opportunity and discrimination/harassment-free environment. Please read our policies here.

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484