Skip to main content

Support the AAVSO

 

AAVSO seeking an Editor

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

Read more...

AAVSO to archive amateur astronomer exoplanet data

Read more...

107th Annual Fall Meeting

Registration NOW OPEN!!!!

Read more...

107th Annual Fall Meeting

book your room in Flagstaff!!

Read more...

Announcing the Candidates for 2018 AAVSO Council Election!

Read more...

Pick a Star

Type star name then click action.
Learn More
Recent Activity
 
 

News Archives

Variable Star Observations in Database:

37,098,345 and Counting ...
Last Observation Received:

25 min 55 sec ago by BNK - Nicholas Brown (AU)

V4745 SGR   May 23.6870   10.7Vis.   

Plot V4745 SGR 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