Guidelines

What are the major stars in Cetus?

What are the major stars in Cetus?

It was catalogued by the Greek astronomer Ptolemy in the 2nd century. Cetus is home to the barred spiral galaxy Messier 77 and several well-known stars: Diphda (Beta Ceti), Menkar (Alpha Ceti), Tau Ceti and the famous variable star Mira (Omicron Ceti).

What is the declination of star Diphda in Cetus?

Diphda is one of the 58 stars that have a special status in the field of celestial navigation. Navigational stars are some of the brightest and most identifiable stars in the sky. They span the area from the declination of -70° to +89° of the celestial sphere.

What kind of star is Beta Ceti?

Beta Ceti (β Ceti, abbreviated Beta Cet, β Cet), also named Diphda /ˈdɪfdə/, is the brightest star in the constellation of Cetus….Beta Ceti.

Observation data Epoch J2000 Equinox J2000
Declination –17° 59′ 11.7827″
Apparent magnitude (V) 2.02
Characteristics
Spectral type K0 III

What is the brightest star in Cetus?

Deneb Kaitos
Cetus, (Latin: “Whale”) constellation in the southern sky, at about 2 hours right ascension and 10° south in declination. The brightest star, Deneb Kaitos (from the Arabic for “tail of the whale”), has a visual magnitude of 2.04.

What kind of star is the Diphda star?

Diphda is a giant star near the border of spectral classes G and K. Some sources give the stellar classification K0 III, indicating an orange giant, while others give G9.5III, indicating a yellow-white giant.

Which is the brightest star in the constellation of Cetus?

Beta Ceti ( β Ceti, abbreviated Beta Cet, β Cet ), also named Diphda / ˈdɪfdə /, is the brightest star in the constellation of Cetus. Although designated ‘ beta ‘, it is actually brighter than the ‘ alpha ‘ star in the constellation ( Alpha Ceti ).

Which is brighter Alpha Ceti or Beta Ceti?

Although designated ‘ beta ‘, it is actually brighter than the ‘ alpha ‘ star in the constellation ( Alpha Ceti ). This orange giant is easy to identify due to its location in an otherwise dark section of the celestial sphere. Based on parallax measurements, it lies at an estimated distance of 96.3 light-years (29.5 parsecs) from the Sun.

Is the star Beta Ceti emitting X rays?

In 2005, a relatively high rate of X-ray emission was detected with the XMM-Newton space observatory. It is emitting about 2,000 times the X-ray luminosity of the Sun, allowing the star to be imaged with the Chandra X-ray Observatory. β Ceti ( Latinised to Beta Ceti) is the star’s Bayer designation .