A 5.5-year robotic optical monitoring of Q0957+561: Substructure in a non-local cD galaxy
- Shalyapin, V.N.
- Goicoechea, L.J.
- Gil-Merino, R.
Aldizkaria:
Astronomy and Astrophysics
ISSN: 0004-6361, 1432-0746
Argitalpen urtea: 2012
Alea: 540
Mota: Berrikuspena