Alert Notice 513: Request for observations of GW Lib in support of HST observations

Active Dates: March 18, 2015 – May 2, 2015


Abstract:

Dr. Paula Szkody, University of Washington, has requested our help in monitoring the cataclysmic variable GW Lib for upcoming Hubble Space Telescope observations, scheduled to be made during the window 2015 April 22-25 UT.

Justification:

AAVSO observations are needed to ensure that the object is NOT in outburst when observed with HST. AAVSO observations made April 21-24 will be used to make a go/no go decision, and will also be used in the analysis of the resulting data.

Requested Data Types:

Photometry



Targets
Name Magnitude Variability Type Photometry Notes Spectroscopy Notes
GW Lib 8.20 UGWZ+ZZ/GWLIB

Cadence: Not Specified

Precision: 100

Not Requested

Spectroscopy Lines:

No spectroscopy lines provided

Photometry Filters:

No photometry filters provided

Comparison Stars:

No comparison stars provided


Co-Authorship

Observers are not eligible for co-authorship.

Additional Observer Input:

Not provided

Additional Submission Location:

Not provided


Forum URL

N/A


Notes:

Principal Investigator: Dr. Paula Szkody; Imported Campaign (Alert Notice #513)