M31GC J004234+405709 (Bol 117) Observed by Chandra Is a New Transient X-Ray Source in M31: CXOM31 J004234.2+405709
M31N 1923-12c is a recurrent nova in M31
M31N 1963-09c - Fourth recorded outburst of a recurrent nova in M 31 or a foreground U Gem system?
M31N 1997-11k - a very fast recurrent nova in M31 or a foreground CV?
M31N 2007-12b
M31N 2008-11b (Bright Nova in M31)
M31N 2009-11a
M31N 2010-01a
M31N 2010-01a
M31N 2010-01a and M31N 2010-12c
M31N 2010-01a and M31N 2010-12c
M31N 2010-01d: a new optical nova candidate close to the M 31 center detected in the ultraviolet (UV) and UV magnitudes of M31N 2010-01a and M31N 2010-01b
M31N 2010-10b: A Slowly-Evolving, Fe II Nova in M31
M31N2008-11b is a Galactic Dwarf Nova
M32 candidate galaxies in Leo disproved.
M32: Is there an Ancient and Metal-poor Stellar Population?
M33 - Distance and Motion
M33 - la galassia del Triangolo.
M33 - the Pinwheel Galaxy
M33 Cepheids in HST archival data