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Short Period Pulsating Variables

Observing Section

2018 AAVSO Annual Meeting Flagstaff, AZ

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Recent Activity

Variable Star Observations in Database:

35,248,062 and Counting ...
Last Observation Received:

35 min 11 sec ago by VTY - Tony Vale (GB)

Z CAM   Mar 19.9350   12.9Vis.   

Plot Z CAM light curve


Stellar News Feed

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


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

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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Amateur astronomer captures rare first light from massive exploding star

Thanks to lucky snapshots taken by Victor Buso, an amateur astronomer in Argentina, scientists have obtained their first view of the initial burst of light from the explosion of a massive star.

Read more here.

What really happens inside a solar eruption

Researchers have determined that a magnetic power struggle could be behind all solar eruptions. The findings, detailed in a study published in the journal Nature on Wednesday, might improve our ability to predict solar flares.

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