The virtual observatory service TheoSSA: Establishing a database of synthetic stellar flux standards . II. NLTE spectral analysis of the OB-type subdwarf Feige 110
Abstract
Context. In the framework of the Virtual Observatory (VO), the German Astrophysical VO (GAVO) developed the registered service TheoSSA (Theoretical Stellar Spectra Access). It provides easy access to stellar spectral energy distributions (SEDs) and is intended to ingest SEDs calculated by any model-atmosphere code, generally for all effective temperatures, surface gravities, and elemental compositions. We will establish a database of SEDs of flux standards that are easily accessible via TheoSSA's web interface.
Aims: The OB-type subdwarf
Methods: In case of
Results: We present a state-of-the-art spectral analysis of
Conclusions: The TheoSSA database of theoretical SEDs of stellar flux standards guarantees that the flux calibration of astronomical data and cross-calibration between different instruments can be based on models and SEDs calculated with state-of-the-art model-atmosphere codes.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- June 2014
- DOI:
- 10.1051/0004-6361/201423711
- arXiv:
- arXiv:1404.2446
- Bibcode:
- 2014A&A...566A...3R
- Keywords:
-
- standards;
- stars: abundances;
- stars: atmospheres;
- stars: individual: Feige 110;
- subdwarfs;
- virtual observatory tools;
- Astrophysics - Solar and Stellar Astrophysics
- E-Print:
- 19 pages, 7 figures