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Alert Notice 704: Exoplanet candidate observation alert for TYC 2483-160-1

May 6, 2020

AAVSO Forum thread (scroll to the bottom of a thread for latest posts):
- Exoplanets: https://www.aavso.org/tyc-24831601-observation-alert

Dr. Dennis Conti (AAVSO) provides the following information:

Charts and Sequences Updates

The AAVSO Sequence Team has been working hard for many years updating and improving charts and comparison star sequences. This page contains a list of the most recent updates as well as an archive of all the updates from the past and when they were made.

If you observe any of these objects please update your charts and photometry tables as necessary with the most recent version as soon as possible. Many of the lists are also available for download in CSV, XLSX, and PDF format.

Solar Bulletin - Volume 76, Number 04

The April Solar Bulletin is now available. Please visit the Solar Bulletin web page to download your copy: https://www.aavso.org/solar-bulletin.

The March SID Data report is available at https://www.aavso.org/sid-database.

Alert Notice 703: TCP J21040470+4631129 images, photometry, and spectroscopy urgently requested - REVISED

Note: This Alert Notice was revised from its original text to correct a misinterpretation of the request from Dr. Echevarria, to update the recent observations, and to update the status of scheduled HST observations.  -  Elizabeth O. Waagen, 2 April 2020

April 2, 2020   (original issued April 1, 2020)

Alert Notice 702: TCP J21040470+4631129 to be observed with HST

Note: The HST observations of  TCP J21040470+4631129 have been postponed due to the target's going into (super)outburst on 2020 March 31. The observations will be rescheduled at a later time and this notice will be updated accordingly; a new Alert Notice may also be issued. However, photometry is still requested (please see AAVSO Alert Notice 703 for details).  -  Elizabeth O. Waagen, April 2, 2020

 

March 27, 2020

Solar Bulletin - Volume 76, Number 02

The February Solar Bulletin is now available. Please visit the Solar Bulletin web page to download your copy: https://www.aavso.org/solar-bulletin

The February SID Data report is available at https://www.aavso.org/sid-database

LPV of the Month: March 2020 - SS Cru

SS Crucis—Reflections on a Forgotten Mira Variable

By Peter Williams

Pages

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