Items where Author is "Gerhard, Ortwin"
Number of items: 6.
Article
On the α /Fe Bimodality of the M31 Disks. (2023)
Chiaki Kobayashi,
Souradeep Bhattacharya,
Magda Arnaboldi
and
Ortwin Gerhard
The survey of planetary nebulae in Andromeda (M31). IV. Radial oxygen and argon abundance gradients of the thin and thicker disc. (2022)
Souradeep Bhattacharya,
Magda Arnaboldi,
Nelson Caldwell,
Ortwin Gerhard,
Chiaki Kobayashi,
Johanna Hartke,
Kenneth C. Freeman,
Alan W. McConnachie
and
Puragra Guhathakurta
The survey of planetary nebulae in Andromeda (M 31) V. Chemical enrichment of the thin and thicker discs of Andromeda. Oxygen to argon abundance ratios for planetary nebulae and H II regions. (2022)
Magda Arnaboldi,
Souradeep Bhattacharya,
Ortwin Gerhard,
Chiaki Kobayashi,
Kenneth C. Freeman,
Nelson Caldwell,
Johanna Hartke,
Alan McConnachie
and
Puragra Guhathakurta
Self-consistent modelling of the Milky Way's Nuclear Stellar Disc. (2022)
Mattia C. Sormani,
Jason L. Sanders,
Tobias K. Fritz,
Leigh C. Smith,
Ortwin Gerhard,
Rainer Schoedel,
John Magorrian,
Nadine Neumayer,
Francisco Nogueras-Lara,
Anja Feldmeier-Krause,
Alessandra Mastrobuono-Battisti,
Mathias Schultheis,
Banafsheh Shahzamanian,
Eugene Vasiliev,
Ralf S. Klessen,
Philip Lucas
and
Dante Minniti
The Milky Way bar/bulge in proper motions: a 3D view from VIRAC & Gaia. (2019)
Jonathan P. Clarke,
Christopher Wegg,
Ortwin Gerhard,
Leigh C. Smith,
Philip Lucas
and
Shola M. Wylie