481 citations · 4.4k across the 93 of their papers we have counts for
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astro-ph1999★ 67 cited
Discovery of molecular hydrogen in a high-velocity cloud of the Galactic halo
P. Richter, K. S. de Boer, H. Widmann +4
We report the discovery of molecular hydrogen absorption in a Galactic high-velocity cloud (HVC) in the direction of the Large Magellanic Cloud. For the same HVC we derive an iron…
astro-ph1999
ORFEUS II echelle spectra: On the H_2/CO ratio in the LMC towards LH 10
P. Richter, K. S. de Boer, D. J. Bomans +3
ORFEUS far UV echelle spectra have been used to investigate HI, H_2 and CO absorption lines along the line of sight towards LH 10:3120 in the LMC, extending the study presented by…
astro-ph1999★ 1 cited
Stroemgren photometry of globular clusters: M55 & M22
P. Richter, M. Hilker, T. Richtler
We present Stroemgren CCD photometry for the two galactic globular clusters M55 (NGC 6809) and M22 (NGC 6656). We find average Stroemgren metallicities of -1.71 dex for M55 and -1.…