PoS - Proceedings of Science
Volume 425 - The Multifaceted Universe: Theory and Observations - 2022 (MUTO2022) - Stars and interstellar medium
Wind parameters of the new LBV in NGC1156
Y.N. Solovyeva*, A. Kostenkov, E. Dedov and A. Vinokurov
Full text: pdf
Pre-published on: September 24, 2022
Published on:
In this work we present spectrum modeling results for the new discovered luminous blue variable (LBV) in the NGC 1156 galaxy. Extended atmosphere models were calculated using the non-LTE code CMFGEN. We have obtained the luminosity of discovered LBV $L\simeq (1.6\pm0.2) \times 10^{5} L_{\odot}$, the effective temperature $T_{\text{eff}}=7.9\pm0.4$ kK and mass-loss rate $\dot{M}f^{-0.5}= (8.2\pm1.0) \times 10^{-4}\,M_{\odot}\,\text{yr}^{-1}$. Hydrogen abundance in the wind is $\approx20$% for the metallicity $Z=0.5 Z_{\odot}$ of the host galaxy.
DOI: https://doi.org/10.22323/1.425.0049
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.