Astrometric and photometric monitoring of GQ Lupi and its sub-stellar companion, Ralph Neuhaeuser, Markus Mugrauer, Andreas Seifahrt, Tobias Schmidt, and Nikolaus Vogt, Astronomy and Astrophysics484, #1 (2008), pp. 281–291. doi:10.1051/0004-6361:20078493. Bibcode: 2008A&A...484..281N
Astrometric and photometric monitoring of GQ Lupi and its sub-stellar companion, Ralph Neuhaeuser, Markus Mugrauer, Andreas Seifahrt, Tobias Schmidt, and Nikolaus Vogt, Astronomy and Astrophysics484, #1 (2008), pp. 281–291. doi:10.1051/0004-6361:20078493. Bibcode: 2008A&A...484..281N