SIMBAD references

The weak line of Hg II located at 5677.10 Å is detected in SOPHIE spectra of the HgMn star HD 53588 as a feature absorbing about 2% of the continuum. The synthesis of this line yields a mercury abundance which agrees well with previous determinations. Abundances of helium, magnesium, silicon, phosphorus, titanium, chromium, manganese, iron and gallium are also measured from the synthesis of the several spectral intervals. The Transiting Exoplanet Survey Satellite lightcurves of HD 53588 show a periodic variability. The Lomb Scargle algorithm provided on-line by MAST yields a main period of 2.325 days which could be the rotational period. Two other periods at 2.030 and 2.700 days, which have less power, may exist too.