- than most
other known white dwarfs. Its m**** was
estimated in 1999 by
Napiwotzki to be 0.56±0.01 M☉. The
Dumbbell nebula can be
easily seen in binoculars...
- Beaumont, H.; Burningham, B.; Gallardo, J.; Gianninas, A.; Bergeron, P.;
Napiwotzki, R.; Jenkins, J. S.; Zhang, Z. H.; Murray, D. N.; Catalán, S.; Gomes,...
-
Archived from the
original on
April 24, 2022.
Retrieved April 24, 2022.
Napiwotzki, R. (2009). The
galactic po****tion of
white dwarfs. In
Journal of Physics:...
-
Laboratory Groningen. 41: 1–48. Bibcode:1927PGro...41....1K.
Dobbie PD;
Napiwotzki R;
Burleigh MR; et al. (2006). "New
Praesepe white dwarfs and the initial...
- Bibcode:2007ApJ...661..527S. doi:10.1086/513503. S2CID 122683844. Dobbie, PD;
Napiwotzki, R; Burleigh, MR; et al. (2006). "New
Praesepe white dwarfs and the initial...
- doi:10.1086/300471. Maxted, P. F. L.; O'Donoghue, D.; Morales-Rueda, L.;
Napiwotzki, R.; Smalley, B. (2007). "The m**** and
radius of the M-dwarf in the short-period...
- arXiv:astro-ph/0212469. Bibcode:2003ApJ...591..288H. doi:10.1086/375341. S2CID 59065632.
Napiwotzki, Ralf (2009). "The
galactic po****tion of
white dwarfs".
Journal of Physics...
- Bibcode:2005ApJ...622L..33B. doi:10.1086/429378. S2CID 14322324. Edelmann, H.;
Napiwotzki, R.; Heber, U.; Christlieb, N.; et al. (2005). "HE 0437-5439: An Unbound...
- 3847/1538-4357/aa6fb5. ISSN 0004-637X. S2CID 119249195. Maxted, Pierre;
Napiwotzki, Ralf; Dobbie, Paul; Burleigh, Matt. "A Sub-Stellar
Jonah –
Brown Dwarf...
- ; Herrero, A.; Mohr-Smith, M.; Monguió, M.; Wright, N.J.; Kupfer, T.;
Napiwotzki, R. (21
October 2018). "M****ive
stars in the
hinterland of the
young cluster...