Reclassification of the nearest quasar pair candidate: SDSS J15244+3032-RXS J15244+3032

Bibcode
2013Ap&SS.345..199F
DOI
10.1007/s10509-013-1387-4
Farina, E. P.; Falomo, R.; Treves, A.; Decarli, R.; Kotilainen, J.; Scarpa, R.
Bibliographical reference

Astrophysics and Space Science, Volume 345, Issue 1, pp.199-202

Advertised on:
5
2013
Journal
Astrophysics and Space Science
Number of authors
6
IAC number of authors
1
Citations
0
Refereed citations
0
Description
We present optical spectroscopy of the nearest quasar pair listed in the 13th edition of the Véron-Cetty & Véron catalogue, i.e. the two quasars SDSS J15244+3032 and RXS J15244+3032 (redshift z≈0.27, angular separation Δ θ≈7″, and line-of-sight velocity difference ΔV≈1900 km/s). This system would be an optimal candidate to investigate the mutual interaction of the host galaxies with ground based optical imaging and spectroscopy. However, new optical data demonstrate that RXS J15244+3032 is indeed a star of spectral type G. This paper includes data gathered with the Asiago 1.82 m telescope (Cima Ekar Observatory, Asiago, Italy).
Related projects
Project Image
Relativistic and Theoretical Astrophysics
Introduction Gravitational lenses are a powerful tool for Astrophysics and Cosmology. The goals of this project are: i) to obtain a robust determination of the Hubble constant from the time delay measured between the images of a lensed quasar; ii) to study the individual and statistical properties of dark matter condensations in lens galaxies from
Evencio
Mediavilla Gradolph
In progress
Type
Refereed
Cosmology & Astroparticles (CYA, CTA)
Galaxies
Quasars

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