What color is Alpha Persei?
yellow
Mirfak, Alpha Persei (α Per) is a yellow supergiant star located in the constellation Perseus….Mirfak – Alpha Persei.
| Spectral class | F5 Ib |
|---|---|
| B-V colour index | +0.483 |
| Apparent magnitude | 1.806 |
| Absolute magnitude | -5.1 |
| Distance | 510 ± 10 light years (155 ± 4 parsecs) |
How old is mel20?
This is most likely the remains of an old, massive cluster that now has a combined mass of ~6000 M☉….
| Alpha Persei Cluster | |
|---|---|
| Estimated age | 50–70 Mya |
| Other designations | Per OB3, Cr 39, Mel 20, OCl 392.0 |
| See also: Open cluster, List of open clusters |
What type of star is Alpha Persei?
F5 IbAlpha Persei / Spectral type
What Persei means?
(ˈpɜːsɪəs ) nounWord forms: Latin genitive Persei (ˈpɜːsɪˌaɪ ) a conspicuous constellation in the N hemisphere lying between Auriga and Cassiopeia and crossed by the Milky Way. It contains the eclipsing binary, Algol, and a rich cluster of galaxies.
How old is Mirfak?
50-million years old
Mirfak itself is less than 50-million years old, but it’s already entered old age. It’s a supergiant, having ballooned up to about 60 times the size of our sun. And it’s bright too—five THOUSAND times brighter than the sun. To find Mirfak, and therefore the Alpha Persei Cluster, look to the northeast.
How do you use per say?
You can use ‘per se’ whenever you are describing something in and of itself. For example, you could say: “Your paragraph on the ethics of the True Crime genre is thought-provoking per se, but not pertinent to your article overall.”
What type of star is Mirfak?
Is Mirfak a binary star?
Alpha Persei (also known as Algenib or Mirfak) is a binary star system consisting of a small secondary star and a primary blue-white supergiant star of spectral class F5, orbited by twelve planets.
What does persei mean in Latin?
nounWord forms: Latin genitive Persei (ˈpɜːsɪˌaɪ ) a conspicuous constellation in the N hemisphere lying between Auriga and Cassiopeia and crossed by the Milky Way. It contains the eclipsing binary, Algol, and a rich cluster of galaxies. faltering economy or industrial economies? Drag the correct answer into the box.
Why do people write per say?
‘Per se’ is a Latin term which literally means, “by itself”, “in itself” or “of itself”. This means you’re taking something out of its context to describe it in its own right. It is often misused in everyday speech It has become a conversational buzzword. It’s a way for people to fill in gaps between ideas.
What is per se rule?
Legal Definition of per se rule 1 : a generalized rule applied without consideration for specific circumstances would go even further and apply a per se rule of invalidity to affirmative action programs— Alan Freeman. — called also flat rule.
Why is Mirfak so bright?
At a distance of about 600 light-years, Mirfak lies much farther than the Big Dipper stars, so this star has to be intrinsically very luminous to shine so brightly in our sky. If Mirfak stood at the sun’s distance from Earth, its disk would cover several thousand times more sky.
Where is Mirfak on a HR diagram?
In general, though, supergiant stars like Mirfak inhabit the topmost part of the Hertzsprung–Russell diagram, and as a class, F-type stars are among the most luminous and massive of all stars.
What star is Omicron?
Omicron Andromedae (ο And, ο Andromedae) is a star system in the constellation Andromeda. It is approximately 692 light years from Earth….Omicron Andromedae.
| Location of ο Andromedae (far right) | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 23h 01m 55.26s |
| Declination | +42° 19′ 33.69″ |
Is there a star called Omicron?
The stars in this false-color picture are separated by an angular size of only 0.6 arcseconds (equal to 70 times the distance between Earth and the Sun), but clearly resolved by the FOC….About the Object.
| Name: | IRAS 02168-0312, Mira A, Omicron Ceti |
|---|---|
| Type: | Unspecified : Star |
| Constellation: | Cetus |
| Category: | Stars |
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Why is the spectrum of Alpha Persei so important?
Since 1943, the spectrum of Alpha Persei has served as one of the stable anchor points by which other stars are classified. Alpha Persei has about 8.5 times the Sun’s mass and has expanded to roughly 60 times the size of the Sun.
Is Alpha Persei A circumpolar star?
Alpha Persei has an apparent visual magnitude of 1.8, and is a circumpolar star when viewed from mid-northern latitudes. Alpha Persei lies in the midst of a cluster of stars named as the eponymous Alpha Persei Cluster, or Melotte 20, which is easily visible in binoculars and includes many of the fainter stars in the constellation.