Long-term multicolor photometry of the young stellar objects FHO 26, FHO 27, FHO 28, FHO 29 and V1929 Cygni

TL;DR

This study presents long-term multicolor optical photometry of five young stellar objects in the Gulf of Mexico region, revealing strong variability and analyzing potential causes over a 17-year period.

Contribution

It provides the first extensive long-term multicolor photometric dataset for these specific young stellar objects, enhancing understanding of their variability.

Findings

All stars exhibit strong optical variability.

Data suggests variability is due to accretion and circumstellar effects.

Long-term dataset enables detailed variability analysis.

Abstract

Results from long-term multicolor optical photometric observations of the pre-main sequence stars FHO 26, FHO 27, FHO 28, FHO 29 and V1929 Cyg collected during the period from June 1997 to December 2014 are presented. The objects are located in the dense molecular cloud L935, named "Gulf of Mexico", in the field between the North America and Pelican nebulae. All stars from our study exhibit strong photometric variability in all optical passbands. Using our BVRI observations and data published by other authors, we tried to define the reasons for the observed brightness variations. The presented paper is a part of our long-term photometric study of the young stellar objects in the region of "Gulf of Mexico".