• Thumbnail for Binary pulsar
    A binary pulsar is a pulsar with a binary companion, often a white dwarf or neutron star. (In at least one case, the double pulsar PSR J0737-3039, the...
    14 KB (1,796 words) - 20:08, 10 May 2025
  • Thumbnail for Pulsar
    very useful tools for astronomers. For example, observations of a pulsar in a binary neutron star system were used to indirectly confirm the existence...
    64 KB (7,100 words) - 13:35, 28 May 2025
  • Thumbnail for Hulse–Taylor pulsar
    Hulse–Taylor pulsar (known as PSR B1913+16, PSR J1915+1606 or PSR 1913+16) is a binary star system composed of a neutron star and a pulsar which orbit...
    11 KB (1,232 words) - 20:11, 12 June 2025
  • Thumbnail for PSR J0737−3039
    double pulsar. It consists of two neutron stars emitting electromagnetic waves in the radio wavelength in a relativistic binary system. The two pulsars are...
    17 KB (1,635 words) - 10:13, 12 February 2025
  • Thumbnail for Neutron star
    pulsars or "accretion-powered pulsars": a class of X-ray binaries. Low-mass X-ray binary pulsars: a class of low-mass X-ray binaries (LMXB), a pulsar...
    116 KB (13,893 words) - 18:02, 14 June 2025
  • Thumbnail for Millisecond pulsar
    companion star in a close binary system. For this reason, millisecond pulsars are sometimes called recycled pulsars. Millisecond pulsars are thought to be related...
    21 KB (2,131 words) - 21:10, 15 March 2025
  • Gravitational wave (category Binary stars)
    waves came in 1974 from the observed orbital decay of the Hulse–Taylor binary pulsar, which matched the decay predicted by general relativity for energy...
    106 KB (12,709 words) - 07:15, 2 June 2025
  • PSR J0437−4715 (category Millisecond pulsars)
    of only two pulsars to have the full three-dimensional orientation of its orbit determined. Optical observations indicate that the binary companion of...
    7 KB (628 words) - 23:50, 13 June 2025
  • Thumbnail for Black Widow pulsar
    The Black Widow pulsar (PSR B1957+20) is an eclipsing binary millisecond pulsar in the Milky Way. Discovered in 1988, it is located roughly 6,500 light-years...
    10 KB (994 words) - 21:58, 7 May 2025
  • A pulsar timing array (PTA) is a set of galactic pulsars that is monitored and analyzed to search for correlated signatures in the pulse arrival times...
    24 KB (2,571 words) - 04:50, 25 May 2025
  • Thumbnail for PSR J0348+0432
    PSR J0348+0432 (category Pulsars)
    PSR J0348+0432 is a pulsar–white dwarf binary system in the constellation Taurus. It was discovered in 2007 with the National Radio Astronomy Observatory's...
    12 KB (1,085 words) - 01:29, 30 July 2024
  • is not the case for a close binary pulsar, a system of two orbiting neutron stars, one of which is a pulsar: from the pulsar, observers on Earth receive...
    194 KB (22,694 words) - 19:08, 7 June 2025
  • Thumbnail for PSR B1620−26
    PSR B1620−26 (category Pulsars)
    system. One side regards the A/B convention of naming binary stars as having priority, so that the pulsar is PSR B1620−26 A, the white dwarf companion is PSR...
    8 KB (780 words) - 02:27, 7 April 2025
  • Beginning in 1974, Hulse, Taylor and others studied the behaviour of binary pulsars experiencing much stronger gravitational fields than those found in...
    103 KB (12,427 words) - 16:23, 18 May 2025
  • Thumbnail for PSR J0952–0607
    PSR J0952–0607 (category Millisecond pulsars)
    PSR J0952–0607 is a massive millisecond pulsar in a binary system, located between 3,200–5,700 light-years (970–1,740 pc) from Earth in the constellation...
    20 KB (1,747 words) - 20:44, 6 May 2025
  • List of neutron stars (category Pulsars)
    CXJ0110-7211 Vela X-1 4U 0352+309 Bursting Pulsar Vela Junior LMC N49 Intermediate-mass X-ray binary High-mass X-ray binaries Centaurus X-3 Circinus X-1 GX 301-2...
    9 KB (321 words) - 08:27, 28 December 2024
  • Thumbnail for Russell Alan Hulse
    survey for pulsars. It was this work that led to the discovery of the first binary pulsar. In 1974, Hulse and Taylor discovered binary pulsar PSR B1913...
    5 KB (454 words) - 17:29, 27 October 2024
  • fraction of a second to as much as several minutes. An X-ray pulsar is a type of binary star system consisting of a typical star (stellar companion) in...
    8 KB (1,089 words) - 17:52, 10 September 2024
  • pulses from a radio pulsar. A binary system is called a single-lined spectroscopic binary if the radial motion of only one of the two binary components can...
    19 KB (2,237 words) - 01:57, 16 May 2025
  • Thumbnail for X-ray binary
    X-ray pulsars (AMXPs) Intermediate-mass X-ray binaries (IMXBs) Ultracompact X-ray binaries (UCXBs) High-mass X-ray binaries (HMXBs) Be/X-ray binaries (BeXRBs)...
    17 KB (1,984 words) - 15:05, 9 June 2025
  • Thumbnail for Virgo interferometer
    evidenced by the three-decade study of the binary pulsar 1913+16: the observed decrease of this binary pulsar's orbital period was in agreement with the...
    108 KB (10,800 words) - 20:37, 3 June 2025
  • Thumbnail for Pulsar wind nebula
    A pulsar wind nebula (PWN, plural PWNe), sometimes called a plerion (derived from the Greek "πλήρης", pleres, meaning "full"), is a type of nebula sometimes...
    7 KB (712 words) - 15:38, 7 April 2025
  • Thumbnail for First observation of gravitational waves
    been inferred only indirectly, via their effect on the timing of pulsars in binary star systems. The waveform, detected by both LIGO observatories, matched...
    70 KB (7,592 words) - 19:07, 6 May 2025
  • Thumbnail for PSR B1620−26 b
    PSR B1620−26 b (category Pulsar planets)
    period of the pulsar). In the early 1990s, a group of astronomers led by Donald Backer, who were studying what they thought was a binary pulsar, determined...
    14 KB (1,723 words) - 02:00, 28 March 2025
  • PSR J1946+2052 (category Pulsars)
    PSR J1946+2052 is a short-period binary pulsar system located 11,000–14,000 light-years (3,500–4,200 pc) away from Earth in the constellation Vulpecula...
    20 KB (2,123 words) - 16:15, 18 July 2024
  • PSR J1930–1852 (category Pulsars)
    PSR J1930–1852 is a binary pulsar system, composed of a pulsar and a neutron star and orbiting around their common center of mass. Located 4,900 light-years...
    5 KB (303 words) - 03:25, 5 March 2023
  • A pulsar kick is the name of the phenomenon that often causes a neutron star to move with a different, usually substantially greater, velocity than its...
    11 KB (1,575 words) - 13:20, 7 May 2025
  • The Bursting Pulsar (GRO J1744-28) is a low-mass x-ray binary with a period of 11.8 days. It was discovered in December 1995 by the Burst and Transient...
    2 KB (172 words) - 17:25, 21 March 2025
  • AR Scorpii (category Pulsars)
    AR Scorpii (AR Sco) is a binary pulsar that consists of a white dwarf and a red dwarf. It is located close to the ecliptic plane in the constellation...
    7 KB (552 words) - 19:34, 24 January 2025
  • Thumbnail for Pulsar planet
    Pulsar planets are planets that are orbiting pulsars. The first such planets to be discovered were around a millisecond pulsar in 1992 and were the first...
    51 KB (5,648 words) - 01:38, 22 May 2025