Salm (Star)
Encyclopedia
Tau Pegasi is a magnitude
4.60m star in the constellation
Pegasus
. The star has also the traditional names Salm, Kerb (or El Khereb) and Markab, a name shared with α Pegasi
, k Puppis
and κ Velorum
. τ Pegasi belongs to the spectral class A5Vp.
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...
4.60m star in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Pegasus
Pegasus (constellation)
Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations.-Stars:...
. The star has also the traditional names Salm, Kerb (or El Khereb) and Markab, a name shared with α Pegasi
Alpha Pegasi
Alpha Pegasi is the third brightest star in the constellation Pegasus and one of the four stars in the asterism known as the Great Square of Pegasus. It has the traditional name Markab .Markab is a relatively average star nearing the end of its stellar evolution on the main sequence...
, k Puppis
K Puppis
k Puppis is a Bayer designation given to an optical double star in the constellation Puppis, the two components being k1 Puppis and k2 Puppis. Note that the designation here is "k" not "kappa" as some astronomers teach. Many of Puppis' stellar designations are English labels...
and κ Velorum
Kappa Velorum
Kappa Velorum is a binary star in the constellation Vela. It also has the traditional name Markab, often spelled Markeb to distinguish it from similarly named stars such as Alpha Pegasi....
. τ Pegasi belongs to the spectral class A5Vp.
Coordinates (equinox 2000)
- Right Ascension: 23h20m38.20s
- Declination: +23°44'25.0"