MGB and the new Galactic O-Star Spectroscopic Survey spectral classification standard grid
J. Maíz Apellániz, E. J. Alfaro, J. I. Arias, R. H. Barbá, R. C. Gamen, A. Herrero, J. R. S. Leão, A. Marco, I. Negueruela, S. Simón-Díaz, A. Sota, and N. R. Walborn
CAB, IAA, ULS, ULS, IALP, IAC+ULL, UFRG, UA, UA, IAC+ULL, IAA, and STScI
In this poster we present three developments related to the Galactic O-Star Spectroscopic Survey (GOSSS). First, we are making public the first version of MGB, an IDL code that allows the user to compare oberved spectra to a grid of spectroscopic standards to measure spectral types, luminosity classes, rotation indexes, and spectral qualifiers. Second, we present the associated grid of standard stars for the spectral types O2 to O9.7, with several improvements over the original GOSSS grid of Sota et al. (2011). Third, we present a list of egregious classification errors in SIMBAD: stars that are or have been listed there as being of O type but that in reality are late-type stars.
Reference: To appear in Highlights of Spanish Astrophysics VIII, Proceedings of the XI Scientific Meeting of the Spanish Astronomical Society held on September 8-12, 2014, in Teruel, Spain.
Status: Conference proceedings