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| CONFIRMATION OF EARTH-MASS PLANETS ORBITING THE MILLISECOND PULSAR PSR B1257+12 |
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| Author(s): WOLSZCZAN A |
| Source: SCIENCE Volume: 264 Issue: 5158 Pages: 538-542 Published: APR 22 1994 |
| Times Cited: 155 References: 44 |
| Abstract: The discovery of two Earth-mass planets orbiting an old (similar to-10(9) years), rapidly spinning neutron star, the 6.2-millisecond radio pulsar PSR B1257+12, was announced in early 1992. It was soon pointed out that the approximately 3:2 ratio of the planets' orbital periods should lead to accurately predictable and possibly measurable gravitational perturbations of their orbits. The unambiguous detection of this effect, after 3 years of systematic timing observations of PSR B1257+12 with the 305-meter Arecibo radiotelescope, as well as the discovery of another, moon-mass object in orbit around the pulsar, constitutes irrefutable evidence that the first planetary system around a star other than the sun has been identified. |
| Document Type: Article |
| Language: English |
| Reprint Address: WOLSZCZAN, A (reprint author), PENN STATE UNIV, DEPT ASTRON & ASTROPHYS, 525 DAVEY LAB, UNIV PK, PA 16802 USA |
| Publisher: AMER ASSOC ADVANCEMENT SCIENCE, 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 |
| Subject Category: Multidisciplinary Sciences |
| IDS Number: NH010 |
| ISSN: 0036-8075 |
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| | | | | | | | | Record from Web of Science® | | | | | | | | | |