XX Oph and V5569 Sgr photometry needed in support of spectroscopic observations

Active Dates: April 14, 2023 – April 21, 2023


Abstract:

AAVSO observers' assistance has been requested in obtaining photometry in support of spectroscopy observations of the eclipsing variables XX Oph and V5569 Sgr.

Justification:

Supporting spectroscopy observations of XX Oph and V5569 Sgr to understand their eclipsing behavior and periodicity.

Requested Data Types:

Photometry



Targets
Name Magnitude Variability Type Photometry Notes Spectroscopy Notes
XX Oph 8.59 EA:+ZAND:

Cadence: Not Specified

Precision: 100

Not Requested
V5569 Sgr 9.80 EA+ZAND+BE

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. Steve B. Howell; Imported Campaign (Alert Notice #819)