Current Data On Messier 4

Messier 4 or M4 (also designated NGC 6121) is a globular cluster in the constellation of Scorpius. It was discovered by Philippe Loys de Chéseaux in 1745CE and catalogued by Charles Messier in 1764CE. It was the first globular cluster in which individual stars were resolved.

Mass 6.7×104[4] M☉ Radius 35 light years Estimated age (12.2 ± 0.2) Gyr[6] Notable features 1°.3 west of Antares

Photographs taken with the Hubble Space Telescope in 1995CE have revealed white dwarf stars in M4 that are among the oldest known stars in the Milky Way Galaxy at an age of 13 billion years. One such white dwarf has been found to be a binary star with a pulsar companion, PSR B1620-26 and a planet orbiting it with a mass of 2.5 times that of Jupiter.

In 1987CE a millisecond pulsar was discovered in M4 with a period of 3.0 milliseconds, or about ten times faster than the Crab Pulsar.

CX-1 Is located in M4. It is known as a possible millisecond pulsar/neutron star binary. It orbits in 6.31 hours.

Note, these Pulsar's are key to safe navigation through Messier 4.

FURTHER INFORMATION HAS BEEN CLASSIFIED NIGHTMARE GREEN. ONLY OFFICERS OF NIGHTMARE RAINBOW CLEARANCE OR HIGHER ARE PERMITTED FURTHER.