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Brightest star in the constellation Perseus
Alpha Persei (Latinized from α Persei, abbreviated Alpha Per, α Per), formally named Mirfak (pronounced /ˈmɜːrfæk/ or /ˈmɪərfæk/), is the brightest star
Alpha_Persei
Open cluster in the constellation Perseus
The Alpha Persei Cluster, also known as Melotte 20 or Collinder 39, is an open cluster of stars in the northern constellation of Perseus. To the naked
Alpha_Persei_Cluster
Constellation in the northern celestial hemisphere
members of an open cluster known as the Alpha Persei Cluster. The best-known star, however, is Algol (Beta Persei), linked with ominous legends because
Perseus_(constellation)
Star system in the constellation Perseus
Eta Persei, Gamma Persei, Alpha Persei, Psi Persei, Delta Persei, 48 Persei, Mu Persei and HD 27084. Consequently, the Chinese name for Eta Persei itself
Eta_Persei
Variable star in the Alpha Persei Cluster
stars of the Alpha Persei Cluster, for which the researchers found a few stars to be variable. The star AP 70, later called V488 Persei was found to be
V488_Persei
Star that has a supergiant luminosity class, with a spectral type of F or G
smaller than red supergiants; naked eye examples include Polaris, Alpha Leporis, Alpha Persei, Delta Canis Majoris and Iota¹ Scorpii. Many of them are variable
Yellow_supergiant
Star in the constellation Perseus
consisting of δ Persei, η Persei, α Persei, γ Persei, ψ Persei, 48 Persei, μ Persei and HD 27084. Consequently, the Chinese name for δ Persei itself is 天船五
Delta_Persei
Star in the constellation Perseus
consisting of ψ Persei, η Persei, α Persei, γ Persei, δ Persei, 48 Persei, μ Persei and HD 27084. Consequently, the Chinese name for ψ Persei itself is 天船四
Psi_Persei
Star system in the constellation Perseus
Epsilon Persei, Latinized from ε Persei, formally named Áldu, is a Triple star system in the northern constellation of Perseus. It has a combined apparent
Epsilon_Persei
Star in the constellation Perseus
Phi Persei, Latinized from (Phi Per, φ Persei, φ Per) formally named Dajiangjunbei, is a class B2Vep fourth-magnitude star in the constellation Perseus
Phi_Persei
Star in the constellation Perseus
Persei, 9 Persei, Tau Persei, Iota Persei, Beta Persei (Algol), Rho Persei, 16 Persei and 12 Persei. Consequently, the Chinese name for Kappa Persei itself
Kappa_Persei
Brightest star in the constellation of Carina
Bibcode:1981A&A...104...72P. Ayres, Thomas R. (2011). "The Curious Case of the Alpha Persei Corona: A Dwarf in Supergiant's Clothing?". The Astrophysical Journal
Canopus
Star in the constellation Perseus
48 Persei (also known as c Persei, 48 Per, HR 1273, HIP 19343, or HD 25940) is a Be star in the constellation Perseus, approximately the 500th brightest
48_Persei
Binary star system in the constellation Perseus
closer with a radial velocity of −3.5 km/s. It is a likely member of the Alpha Persei Cluster. The primary member, designated component A, is a B-type main-sequence
34_Persei
Variable star in the constellation Perseus
close to each other on the stellar surface. HD 21699 is a member of the Alpha Persei Cluster. In 1967, Robert Garrison noted that the U-B color of HD 21699
HD_21699
Star in the constellation Perseus
Sun. It is a member of the Perseus OB3 association, which includes the Alpha Persei Cluster. This is a single-lined spectroscopic binary star system with
30_Persei
Star in the constellation Perseus
closer with a radial velocity of −1.6 km/s. It is likely a member of the Alpha Persei Cluster. This object is a massive B-type main-sequence star with a stellar
31_Persei
Type of star cluster
A number of open clusters, such as the Pleiades, the Hyades and the Alpha Persei Cluster, are visible with the naked eye. Some others, such as the Double
Open_cluster
Star in the constellation Perseus
Omega Persei (ω Persei) is a solitary, orange-hued star in the northern constellation of Perseus. The star is faintly visible to the naked eye with an
Omega_Persei
Pattern of stars recognized on Earth's night sky
of the Hyades, the Pleiades also in the Taurus constellation and the Alpha Persei Cluster (with Alcyone and Mirfak as the brightest stars). The northern
Asterism_(astronomy)
Binary star system in the constellation Perseus
binary star system in the constellation Perseus, located within the Alpha Persei Cluster. It has a blue-white hue and is visible to the naked eye with
HD_21278
Velorum Double star 1.71 Alpha Gruis (Alnair) Star 1.77 1.75 Alioth Star 1.77 Alnitak Triple star system 1.79 Alpha Persei (Mirfak) Star 1.79 Dubhe Binary
List of brightest natural objects in the sky
List_of_brightest_natural_objects_in_the_sky
Star in the constellation Perseus
an apparent visual magnitude of 5.16. This object is a member of the Alpha Persei Cluster. This is a B-type main-sequence star with a stellar classification
29_Persei
1999). "The Mass and Age of Very Low Mass Members of the Open Cluster alpha Persei". The Astrophysical Journal. 510 (1): 266–273. arXiv:astro-ph/9807145
List_of_open_clusters
Brightest star in the night sky
Magellanic Cloud, Milky Way, Carina Nebula, Hyades, Pleiades and the Alpha Persei Cluster (with Eta Carinae, Theta Tauri, Alcyone and Mirfak as the brightest
First-magnitude_star
Variable B-type star in the constellation Pegasus
it also had the traditional name Algenib, this name was also used for Alpha Persei. In 2016, the International Astronomical Union organized a Working Group
Gamma_Pegasi
Earth and the easiest to see in the night sky. RSGC2 (Stephenson 2) 26.1 Alpha Persei cluster 22.8 Jewel Box 20 Hyades 17.6 Nearest open cluster Beehive Cluster
List_of_largest_star_clusters
Loose star cluster
Castor moving group AB Doradus moving group Zeta Herculis moving group Alpha Persei moving cluster Cameleopardis OB1 association OB star Moving groups Open
Stellar_association
Star in the constellation Perseus
parallax shift of 6.1 mas, is 535 light years. It is a member of the young Alpha Persei Cluster, Melotte 20, and moving is closer to the Earth with a heliocentric
HD_21071
الثّريّا Alpha Persei Mizar al-Mi'zar the Apron المئزر Zeta Ursae Majoris Mothallah Ra'as ul-Muthallath (Head of) the Triangle الرعس المثلث Alpha Trianguli
List_of_Arabic_star_names
Process by which stars are named
Some stars in entirely different constellations had the same name: Alpha Persei (Algenib in Perseus, then formally named Mirfak) and Gamma Pegasi (Algenib
Stellar designations and names
Stellar_designations_and_names
Space telescope launched on December 7, 1968
Space Based Telescopes. Retrieved 2018-10-25. OAO 2 observations of the Alpha Persei cluster OAO-2 Info and pics 50th Anniversary Overview of OAO-2 including
Orbiting Astronomical Observatory 2
Orbiting_Astronomical_Observatory_2
Star in the constellation Cassiopeia
93% likelihood. This group may be kinematically associated with the alpha Persei Cluster, indicating that the Cas-Tau group, including Epsilon Cassiopeiae
Epsilon_Cassiopeiae
Open cluster in the constellation Coma Berenices
as Melotte 111, but its proper motion and isochrone are inconsistent. Alpha Persei Cluster List of nearby stellar associations and moving groups "Cl Melotte
Coma_Star_Cluster
Diffuse nebula in the constellation Perseus
1039 1193 1220 1245 1342 1348 1444 1513 1528 1545 1582 1605 1624 Other Alpha Persei Cluster IC 348 Perseus OB1 Trumpler 2 Nebulae NGC 650 (Little Dumbbell
NGC_1579
Study of the movement of stars
include: Local Association (Pleiades moving group) AB Doradus moving group Alpha Persei moving cluster Beta Pictoris moving group Castor moving group Corona
Stellar_kinematics
Dark nebula in the constellation Camelopardalis
(α Persei), the brightest star in the constellation of Perseus, located at the center of a bright association of blue stars known as the Alpha Persei Cluster
Camelopardalis_dark_region
Lenticular galaxy in the constellation Perseus
1039 1193 1220 1245 1342 1348 1444 1513 1528 1545 1582 1605 1624 Other Alpha Persei Cluster IC 348 Perseus OB1 Trumpler 2 Nebulae NGC 650 (Little Dumbbell
IC_310
37 B A4 IV BL Crucis 480 ± 10 Crux M4-5III 5.38 48 Persei 480 ± 10 B3Ve 4.03 Member of Alpha Persei Cluster. PP Carinae 480 ± 30 Carina B4 Vne 3.22 - 3
List of star systems within 450–500 light-years
List_of_star_systems_within_450–500_light-years
White dwarf
1039 1193 1220 1245 1342 1348 1444 1513 1528 1545 1582 1605 1624 Other Alpha Persei Cluster IC 348 Perseus OB1 Trumpler 2 Nebulae NGC 650 (Little Dumbbell
ZTF_J0139+5245
Spanish astrophysicist
Antonio (April 1992). "Spectroscopy of a brown dwarf candidate in the Alpha Persei open cluster". The Astrophysical Journal. 389: L83. Bibcode:1992ApJ.
Rafael_Rebolo_López
Work by Giovanni Battista Hodierna
first descriptions, discoveries and rediscoveries: Original discoveries Alpha Persei Moving Cluster M6 M8 M36 M37 M38 M41 M47 NGC 2362 NGC 6231 Probable original
De systemate orbis cometici, deque admirandis coeli characteribus
De_systemate_orbis_cometici,_deque_admirandis_coeli_characteribus
Open cluster in the constellation Lacerta
(December 1987). "Photoelectric search for CP2-stars in open clusters. XII. Alpha Persei, Praesepe and NGC 7243". Astronomy and Astrophysics, Supplement Series
NGC_7243
Open cluster in the constellation Perseus
William Herschel on 11 December 1786. It is located 3° southwest of alpha Persei and can be spotted with 10x50 binoculars. The cluster is nearly 1 billion
NGC_1245
Star in the constellation Taurus
13596.x, S2CID 14878976 Eggen, Olin J. (October 1998), "The Pleiades and alpha Persei Clusters", The Astronomical Journal, 116 (4): 1810–1815, Bibcode:1998AJ
18_Tauri
Messier marathon
Binoculars 88 NGC 288 Globular cluster Scl Telescope - Binoculars 89 Alpha Persei Cluster Open cluster Per Binoculars 90 NGC 1342 Open cluster Per Telescope
Sufi_Observing_Competition
Blue supergiant star in the constellation Perseus
hydrogen and is now fusing heavier elements. It is an Alpha Cygni variable (designated V474 Persei), a type of non-radial pulsating variable. It ranges
9_Persei
Catalogue of 245 star clusters compiled By British astronomer Philibert Jacques Melotte
Perseus 8.4 Mel 19 NGC 1261 Globular cluster Horologium 8.6 Mel 20 - Alpha Persei Cluster Open cluster Perseus 1.2 Mel 21 NGC 1342 Open cluster Perseus
Melotte_catalogue
Catalogue of open clusters made by Swedish astronomer Per Collinder
cluster Perseus 11.8 Cr 38 NGC 1245 Open cluster Perseus 8.4 Cr 39 - Alpha Persei Cluster Open cluster Perseus 1.2 Cr 40 NGC 1342 Open cluster Perseus
Collinder_catalogue
Astronomical phenomenon caused by light reflected off surfaces distant from the source
assumed the possibility of expansion of the bright ring (nebula) around Nova Persei 1901 with a velocity exceeding that of light." He continues: "The comparison
Light_echo
Telescopium Also designated as Alpha Andromedae (α And) Now included in the constellation Andromeda Bayer's Chi Persei is NGC 884, the eastern cluster
Table of stars with Bayer designations
Table_of_stars_with_Bayer_designations
Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. ISSN 0035-8711. Alpha Persei's database entry at VizieR. Planquart, L.; Paladini, C.; Jorissen, A.;
List_of_exoplanet_extremes
Nova in the constellation Perseus
V392 Persei, also known as Nova Persei 2018, is a bright nova in the constellation Perseus discovered on April 29, 2018. It was previously known as a
V392_Persei
Star system in the constellation Perseus
RW Persei is a eclipsing binary star system in the northern constellation of Perseus. It has a peak apparent visual magnitude of 9.68, so this system is
RW_Persei
Constellation in the northern celestial hemisphere
than 25°S it can be seen, seasonally, low in the North. At magnitude 2.2, Alpha Cassiopeiae, or Schedar, is the brightest star in Cassiopeia. The constellation
Cassiopeia_(constellation)
Topics referred to by the same term
proper name approved by the International Astronomical Union for the star Xi Persei, in the constellation of Perseus. (It was previously also spelt Menchib
Menkib
Application in medieval astrology
designation Longitude (2020) Planet Gemstone Plant Symbol Algol Caput Larvæ Beta Persei 26 Taurus 26 Saturn & Jupiter diamond black hellebore Alcyone (or Pleiades)
Behenian_fixed_star
Binary star system
KS Persei is a binary system in the equatorial constellation of Perseus. It is sometimes known as Bidelman's Star, named after William P. Bidelman. The
KS_Persei
Blue supergiant star in the constellation Perseus
10 Persei is a blue supergiant star in the constellation Perseus. Its apparent magnitude is 6.26 although it is slightly variable. 10 Persei is located
10_Persei
Hot, luminous star with a spectral type of A9 or earlier
Orionis B-type supergiant, spectral type B2Ia 5 Persei, B-type supergiant, spectral type B5Ia 10 Persei, B-type supergiant, spectral type B2Ia Omicron²
Blue_supergiant
Cosmic matter (remnant)
progenitor stars via light echoes as observed with the spherical shell of Nova Persei 1901 or the energies remaining in the expanding bubbles like T Pyxidis.
Nova_remnant
Constellation in the northern celestial hemisphere
was assigned by Johann Bayer to Perseus, where he designated it "Upsilon Persei (υ Per)", but it was moved to Andromeda by the International Astronomical
Andromeda_(constellation)
Type of large cool star
Geminorum) Capella Aa (α Aurigae) Schedar (α Cassiopeiae) δ Andromedae ρ Persei Mira (ο Ceti) χ Cygni Rasalgethi (α Herculis) The Sun will exit the main
Red_giant
– Bruneiastronomy.org". Retrieved 2020-10-11. Kaler, James B. "Menkar (Alpha Ceti)". Stars. University of Illinois. Archived from the original on 2012-05-31
List_of_proper_names_of_stars
Stars with a supergiant luminosity class with a spectral type of K or M
examples: Antares A Betelgeuse Epsilon Pegasi Zeta Cephei Lambda Velorum Eta Persei 31 and 32 Cygni Psi1 Aurigae 119 Tauri Mira was historically thought to
Red_supergiant
to make a detectable contribution. For example, the binary star system Alpha Centauri has the total or combined magnitude of −0.27, while its two component
List_of_brightest_stars
Binary star in the Pleiades star cluster
Artist's impression of the Phi Persei system. Classical Be stars like Pleione and Phi Persei exhibit gaseous equatorial disks, likely caused by rapid
Pleione_(star)
Observatory
succeeded in obtaining further photographic evidence of the nebula at ξ Persei (now called the "California Nebula"). After building the giant telescope
Archenhold_Observatory
Stellar classification distinguished by bright blue luminosity
Abt, & Tapscott (1978) further contributed the standards Acrab (B2 V), 29 Persei (B3 V), HD 36936 (B5 V), and HD 21071 (B7 V). Gray & Garrison (1994) contributed
B-type_main-sequence_star
Constellations recognized by the International Astronomical Union
(mythological winged horse) Enif 2.40 1121 Perseus /ˈpɜːrsiəs/ Per Pers Persei /ˈpɜːrsiaɪ/ ancient (Ptolemy) Perseus (mythological character) Mirfak 1
IAU_designated_constellations
Farrington, C. (2015). "Spectral and spatial imaging of the Be+sdO binary ϕ Persei". Astronomy & Astrophysics. 577: A51. arXiv:1503.03423. Bibcode:2015A&A
List of nearest stars by spectral type
List_of_nearest_stars_by_spectral_type
Fifteenth letter of the Greek alphabet
Such stars include Omicron Andromedae, Omicron Ceti (Mira), and Omicron Persei. In Claudius Ptolemy's (c. 100–170) Almagest, tables of sexagesimal numbers
Omicron
Type of star larger than main-sequence but smaller than a giant
scheme, including: B0: γ Cassiopeiae, δ Scorpii, B0.5: β Scorpii, ε Persei B1: ο Persei, β Cephei B2: γ Orionis, π Scorpii, θ Ophiuchi, λ Scorpii, ω Canis
Subgiant
8998-760-1) 307.3 ± 0.3 K3IV 11.19 Has two confirmed exoplanet (YSES-1b & c). Rho Persei (Gorgonea Tertia) 308 ± 7 Perseus M4 II +1.65 HD 224693 (Axólotl) 308.3
List of star systems within 300–350 light-years
List_of_star_systems_within_300–350_light-years
Ophiuchi 440 ± 40 1 O9.5 V 2.56 – 2.58 The closest O-type star to Earth. Phi Persei B 720 ± 30 1 sdO 4.06 Has a B-type companion star. 28 Cygni B 840 ± 20 2
List_of_O-type_stars
Constellation in the northern celestial hemisphere
slow nova, similar to DQ Herculis. Like DQ Herculis, WZ Sagittae, Nova Persei 1901 and Nova Aquilae 1918, it is a very close binary with a very short
Auriga
arXiv:2012.05220. Bibcode:2021AJ....161..147B. doi:10.3847/1538-3881/abd806. SU Persei's database entry at VizieR. Anugu, Narsireddy; Baron, Fabien; et al. (October
List of stars with resolved images
List_of_stars_with_resolved_images
American space and aeronautics agency
New Horizons, 2015 Helix Nebula by Spitzer Space Telescope, 2007 1901 GK Persei supernova by Chandra X-ray Observatory, 2015 Carina Nebula by Hubble Space
NASA
Heterogeneous class of stars with unusual spectra
nature of WO stars: VLT/X-Shooter spectroscopy of DR1". Massive Stars: From Alpha to Omega: 187. arXiv:1312.1555. Bibcode:2013msao.confE.187T. Eldridge, John
Wolf–Rayet_star
7 ± 0.7 Pegasus 22h 50m 00.19307s +24° 36′ 05.6926″ G8 III 3.514 Kappa Persei (Misam) 112.7 ± 0.8 Perseus 03h 09m 29.77156s +44° 51′ 27.1463″ G9.5 IIIb
List of star systems within 100–150 light-years
List_of_star_systems_within_100–150_light-years
Array. I. An Interferometric and Spectroscopic Study of the Fast Rotator Alpha Leonis (Regulus)". The Astrophysical Journal. 628 (1): 439–452. arXiv:astro-ph/0501261
List_of_largest_stars
Classification of stars based on spectral properties
A within 20 ly. Example spectral standards: F0IIIa – Zeta Leonis F0Ib – Alpha Leporis F1V - 37 Ursae Majoris F2V – 78 Ursae Majoris F7V - Iota Piscium
Stellar_classification
Hypothetical hybrid star type
star V595 Cassiopeiae 01h 43m 02.72s +56° 30′ 46.02″ Cassiopeia 2002 IO Persei 03h 06m 47.27s +55° 43′ 59.35″ Perseus 2002 KN Cassiopeiae 00h 09m 36.37s
Thorne–Żytkow_object
Mystery religion in the Roman Empire
horns. The context is a prayer to the god Phoebus. The cave is described as persei, which in this context is usually translated Persian. According to the translator
Mithraism
Type of variable star
Tauri Giants and supergiants Luminous blue variable R Coronae Borealis (DY Persei) Yellow hypergiant Eruptive binary Double periodic FS Canis Majoris RS Canum
Rapidly_oscillating_Ap_star
Phenomenon wherein objects appear to move about their true positions in the sky
v t + h cos ( α ) {\displaystyle \tan(\phi )={\frac {h\sin(\alpha )}{vt+h\cos(\alpha )}}} where h {\displaystyle h} is the modified path length through
Aberration_(astronomy)
Stellar classification
Giants Iota Orionis LH 54-425 Meissa Tau Canis Majoris Plaskett's star Xi Persei Mintaka HD 164492 A
O-type_star
Configuration. Future launches using DM-03 upper stage will fly on Angara A5 as Persei/Orion Upper stage from Plesetsk and Vostochny and is the last time the upper
List of spaceflight launches in January–March 2026
List_of_spaceflight_launches_in_January–March_2026
"Periodic Low-amplitude Radial Velocity Variations in the Supergiant α Persei", The Astrophysical Journal, 985 (2): 176, Bibcode:2025ApJ...985..176B,
List_of_nearest_supergiants
Rare star with tremendous luminosity and high rates of mass loss by stellar winds
MY Cephei NML Cygni NR Vulpeculae PZ Cassiopeiae RT Carinae RW Cygni S Persei Stephenson 2 DFK 1 UY Scuti V602 Carinae V1749 Cygni VV Cephei A VX Sagittarii
Hypergiant
+25° 42′ 37.392″ K1V 6.27 has 1 known planet Gliese 122 69.5 ± 2.1 MV 50 Persei 69.6 ± 1.2 Perseus 04h 08m 36.61660s +38° 02′ 23.0488″ F7V 5.52 HR 5070
List of star systems within 65–70 light-years
List_of_star_systems_within_65–70_light-years
Retrieved 2010-06-21. "Alpha Centauri". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2010-06-21. "Alpha Librae". SIMBAD. Centre de
List_of_stars_for_navigation
0821-669‡ 34.44 ± 0.20 DA9.8 2MASS J00501994−3322402§ 34.5 ± 0.9 T7 Iota Persei$ 34.50 ± 0.05 Perseus 03h 09m 04.019s +49° 36′ 47.80″ G0V 4.05# L 98-59
List of star systems within 30–35 light-years
List_of_star_systems_within_30–35_light-years
Type of star that is massive and luminous
fainter than absolute magnitude −5, with some examples around −2 (e.g. 14 Persei). With bolometric corrections around zero, they may only be a few hundred
Supergiant
; Popper, D. M. (1986-06-01). "Rediscussion of eclipsing binaries. XV - Alpha Coronae Borealis, a main-sequence system with components of types A and
List of star systems within 75–80 light-years
List_of_star_systems_within_75–80_light-years
Eridani Eridanus 88.6 ± 0.4 4.10 A3 IV-V 111 Iota Persei Perseus 34.50 ± 0.05 4.062 G0V or F9.5 V 127 Alpha Fornacis/Dalim Fornax 45.66 ± 0.08 3.80 (3.98/7
List of Gliese and GJ objects (1-1000)
List_of_Gliese_and_GJ_objects_(1-1000)
125823). Named after William P. Bidelman. Bidelman's peculiar star is KS Persei (HD 30353), a PV Telescopii variable. Bidelman's high-latitude Be star is
Stars_named_after_people
Type of star
as 1667MHz or 22MHz. R Aquilae QX Puppis V669 Cassiopeiae W43A HV 2112 S Persei VX Sagittarii V1804 Sagittarii VY Canis Majoris AH Scorpii MY Cephei PZ
OH/IR_star
Star in the constellation Canis Major
supergiants such as MY Cephei, S Persei, VX Sagittarii, and NML Cygni. Such stars were also referred to as "S Per et al.". The H-alpha (Hα) line is not visible
VY_Canis_Majoris
Star in the constellation Cygnus
Strom, Stephen E.; et al. (2005), "B Star Rotational Velocities in h and χ Persei: A Probe of Initial Conditions during the Star Formation Epoch?", The Astronomical
Pi1_Cygni
ALPHA PERSEI
ALPHA PERSEI
ALPHA PERSEI
ALPHA PERSEI
ALPHA PERSEI
ALPHA PERSEI
ALPHA PERSEI
ALPHA PERSEI
ALPHA PERSEI