AAVSO International Database

Alert Notice 713: Unusual Nova in Aquila: N Aql 2020 No. 2 = AT 2020qpq = PGIR20eig

Note: The table of Observations submitted to the AAVSO was replaced to correct errors in this table in the original version of the Alert Notice.  -  Elizabeth O. Waagen, 3 August 2020

August 3, 2020

Alert Notice 710: Monitoring requested for UXOR ASASSN-V J181654.06-202117.6

Note: This campaign has been concluded as of 28 October 2020, BUT a new campaign from the SAME ASTRONOMER requesting coverage of the SAME TARGET is announced in AAVSO Alert Notice 723.  -  Elizabeth O. Waagen, 28 October 2020

July 14, 2020

Bands in optical data in the AAVSO International Database

Bands in optical data in the AAVSO International Database (AID)

Each variable star observation in the AID contains a field that specifies the band (filter) used in making the observation.

For data downloaded from the AID using the data-download tool, the band is given as an abbreviation (e.g., visual is Vis, Johnson V is V).

In special cases, the band (e.g. visual) may be represented as a number (e.g., 0). The following numbers represents the following bands:

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)