A microquasar shot out from its birth place

Abstract

We show that the microquasar LSI+61303 is running away from its birth place in a young complex of massive stars. The supernova explosion that formed the compact object shot out the x-ray binary with a linear momentum of 430 +/- 140 Msun km/s, which is comparable to the linear momenta found in solitary runaway neutron stars and millisecond pulsars. The properties of the binary system and its runaway motion of 27 +/- 6 km/s imply that the natal supernova was asymmetric and that the upper limit for the mass that could have been suddenly ejected in the explosion is ~2 Msun. The initial mass of the progenitor star of the compact object that is inferred depends on whether the formation of massive stars in the parent stellar cluster was coeval or a sequential process.

4 pages, 1 figure. Published in A&A, see http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2004A%26A...422L..29M and the NRAO press release at http://www.nrao.edu/pr/2004/shotout/

References in corpus (11)

• A high-velocity black hole on a Galactic-halo orbit in the solar neighborhood
• Formation of a Black Hole in the Dark
• Hints for a fast precessing relativistic radio jet in LS I +61 303
• Millisecond Pulsar Velocities
• LS 5039: a runaway microquasar ejected from the galactic plane
• The runaway black hole GRO J1655-40
• The distances to the X-ray binaries LSI +61 303 and A0535+262
• One-sided jet at milliarcsecond scales in LSI+61303
• The Limiting Stellar Initial Mass for Black Hole Formation in Close Binary Systems
• The origin of Scorpius X-1
• Rates of Observable Black Hole Emergence in Supernovae

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• Advances in Understanding High-Mass X-ray Binaries with INTEGRAL and Future Directions
• Clustering between high-mass X-ray binaries and OB associations in the Milky Way
• Joint H-alpha and X-Ray Observations of Massive X-Ray Binaries. II. The Be X-ray Binary and Microquasar LS I +61 303
• High-mass microquasars and low-latitude gamma-ray sources
• Very Energetic Gamma-Rays from Microquasars and Binary Pulsars
• Early-type stars in the young open cluster IC1805. II. The probably single stars HD15570 and HD15629, and the massive binary/triple system HD15558
• An Optical and Infrared Photometric Study of the Young Open Cluster IC 1805 in the Giant H II Region W4
• On the origin of LS 5039 and PSR J1825-1446
• H-alpha observations of the gamma-ray-emitting Be/X-ray binary LSI+61303: orbital modulation, disk truncation, and long-term variability
• Finding the birthplace of HMXBs in the Galaxy using Gaia EDR3: kinematical age determination through orbit integration
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• Spectropolarimetric Study on Circumstellar Structure of Microquasar LS I +61deg 303
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• Interaction between incoherent light beams propagating in excited atomic hydrogen; applications in astrophysics