HD 49798 is a binary star in the constellation Puppis about 650 parsecs (circa 2119 light-years) from Earth. It has an apparent magnitude of 8.3, making...
7 KB (717 words) - 01:14, 26 September 2024
1086/498206. ISSN 0004-637X. "New X-ray observations of the hot subdwarf binary HD 49798/RX J0648.0–4418". academic.oup.com. Retrieved 2023-01-08. David Taylor...
14 KB (918 words) - 09:02, 17 September 2024
(April 10, 2021). "New X-ray observations of the hot subdwarf binary HD 49798/RX J0648.0–4418". Monthly Notices of the Royal Astronomical Society. 504:...
149 KB (13,182 words) - 12:37, 10 November 2024
Columbae 1,894±111 1 O9.5 V 5.18 HD 186924 2000 1 O6fp It is the central star of NGC 6826 Planetary Nebula. HD 49798 2120.02 1 sdO6p 8.287 Delta Circini...
11 KB (172 words) - 13:33, 22 September 2024
J0648.1-4419 13.2 1.54 HD 49798 (O6p) LMC X-4 13.5 1.41 Sk-Ph (O7 III-V) OAO 1657-415 37.7 10.4 (Ofpe/WN9) Vela X-1 283 8.96 HD 77581 (B0.5 Ib) 1E 1145...
3 KB (63 words) - 18:29, 11 March 2022
V Sge where episodes of long low states occur in a cycle of ~400 days. HD 49798 is a subdwarf star that forms a binary system with RX J0648.0-4418. The...
77 KB (8,344 words) - 19:33, 15 June 2024
magnesium or iron. HD 128220 was studied by Corrado Bartolini HIP 52181 pulsates with a frequency of 1.04 milliHertz. HD 49798 is a carbon poor X-ray...
5 KB (564 words) - 00:10, 30 May 2024
3282 (w) 3283 3286 3291 3308 3315 3316 3317 3320 3324 3326 HD 44594 48265 (Nosaxa) 49798 50499 53680 59235 61005 61589 61750 62542 63291 63399 63696...
9 KB (892 words) - 21:43, 15 September 2024
(2007). Transformers: Ghosts of Yesterday. Del Ray. p. 286. ISBN 978-0-345-49798-7. "Comics Continuum: IDW Publishing First Looks". Retrieved 26 September...
78 KB (9,716 words) - 02:13, 13 November 2024
an asterism consisting of ο Puppis, δ Canis Majoris, η Canis Majoris, HD 63032, HD 65456, k Puppis, ε Canis Majoris, κ Canis Majoris and π Puppis. Consequently...
12 KB (1,023 words) - 06:36, 28 October 2024
Nancy (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 2, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1978mcts...
9 KB (699 words) - 00:34, 17 July 2024