搜索结果: 1-12 共查到“知识库 天文学 M33”相关记录12条 . 查询时间(0.057 秒)
100 m and 160 m emission as resolved star–formation rate estimators in M33 (HERM33ES
di use emission galaxies
2014/12/20
Context. Over the past few years several studies have provided estimates of the SFR (star–formation rate) or the total infrared luminosity from just one infrared band. However these relations are gene...
The Stellar Archeology of the M33 Disk: Recent Star-Forming History and Constraints on the Timing of an Interaction with M31
galaxies evolution — galaxies spiral — galaxies
2011/8/24
Images recorded with MegaCam are used to investigate the recent star-forming history (SFH) of the Local Group Sc galaxy M33. The properties of the stellar disk change near R = 8 kpc. Within this radiu...
Formation of the black-hole binary M33 X-7 via mass-exchange in a tight massive system
the black-hole binary M33 X-7 via mass-exchange
2011/1/10
M33 X-7 is among the most massive X-Ray binary stellar systems known, hosting a rapidly spinning 15.65 Msun black hole orbiting an underluminous 70 Msun Main Sequence companion in a slightly eccentric...
The intriguing evolutionary history of the massive black hole X-ray binary M33 X-7
The intriguing evolutionary history black hole
2011/1/10
Black hole (BH) X-ray binaries (XRBs) are X-ray luminous binary systems comprising a BH accreting matter from a companion star. Understanding their origins sheds light on the still not well understood...
The Cluster Birthline and the formation of stellar clusters in M33
Cluster Birthline stellar clusters
2010/11/10
We present a new method to analyze the IMF at its high mass end in young stellar clusters, which rely on two integrated observables: the cluster bolometric and H luminosity.Using several cluster samp...
Gemini GMOS spectroscopy of HeII nebulae in M33
stars atmospheres — stars Wolf-Rayet — ISM HII regions — ISM lines and bands — galaxies individual (M33)—galaxies
2010/11/15
We have carried out a narrow-band survey of the Local Group galaxy, M33, in the HeII λ4686 emission line, to identify HeII nebulae in this galaxy. With spectroscopic follow-up observations, we confirm...
Unusually Luminous Giant Molecular Clouds in the Outer Disk of M33
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/4
We use high spatial resolution (~7pc) CARMA observations to derive detailed properties for 8 giant molecular clouds (GMCs) at a galactocentric radius corresponding to approximately two CO scale length...
The Extreme LBV Star GR290 (Romano's Star) in M33. Optical Spectrophotometric Monitori
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
We study the long term, S Dor-type variability and the present hot phase of the LBV star GR290 (Romano's Star) in M33 in order to investigate possible links between the LBV and WNL stages of very mass...
The star formation history of M33＇s outer regions。
In Search of a Radio Counterpart for the Ultraluminous X-Ray Source at the Nucleus of M33
Radio Counterpart Nucleus of M33 Ultraluminous X-Ray
2009/6/18
In Search of a Radio Counterpart for the Ultraluminous X-Ray Source at the Nucleus of M33。
Planetary nebula candidates in a region of M33。