Abstract:
LDN1415-IRS, a low-mass young stellar object (YSO), went into an outburst between 2001 and
2006, illuminating a surrounding nebula, LDN1415-Neb. LDN1415-Neb was found to have brightened by
I = 3.77 mag by April 2006. The optical light curve covering ∼15.5 years, starting from October 2006 to
January 2022, is presented in this study. The initial optical spectrum indicated the presence of winds in the
system, but the subsequent spectra have no wind indicators. The declining light curve and the absence of the
P-Cygni profile in later epoch spectra indicate that the star and nebula system is retrieving back from its outburst
state. Two Herbig–Haro objects (HHOs) are positioned linearly with respect to the optical brightness peak of the
nebula, probably indicating the circumstellar disk being viewed edge-on. Our recent deep near-infrared (NIR)
imaging using TANSPEC has revealed the presence of a nearby star-like source, south of the LDN1415-IRS,
at an angular distance of ∼5.4".
