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Binary star system in the constellation Draco
Beta Draconis (β Draconis, abbreviated Beta Dra, β Dra) is a binary star system and the third-brightest star in the northern circumpolar constellation
Beta_Draconis
Star in the constellation Draco
magnitude 2.2, outshining Beta Draconis by nearly half a magnitude and Alpha Draconis by over a magnitude. Gamma Draconis is at a distance of 154.3 light-years
Gamma_Draconis
Constellation in the northern celestial hemisphere
protected by four female camels, represented by Beta Draconis, Gamma Draconis, Nu Draconis, and Xi Draconis. The nomads who own the camels are camped nearby
Draco_(constellation)
Star in the constellation Draco
Xi Draconis (ξ Draconis, abbreviated Xi Dra, ξ Dra) is a double or binary star in the northern circumpolar constellation of Draco. It has an apparent visual
Xi_Draconis
Star in the constellation Draco
Mu Draconis (μ Draconis, abbreviated Mu Dra, μ Dra) is a multiple star system near the head of the constellation of Draco. With a combined magnitude of
Mu_Draconis
interpreted as a ring of mother camels – Beta Draconis (Rastaban), Gamma Draconis (Eltanin), Nu Draconis (Kuma) and Xi Draconis (Grumium) – surrounding a foal (the
Mother_Camels
Four" الربع, العوائذ الْرُّبَع, الْعَوَائِذ Gamma Draconis, Xi Draconis, Nu Draconis, Beta Draconis Albali al-Bāliʽ the Swallower البالع البَالِع Epsilon
List_of_Arabic_star_names
Binary star system 2.74 Eta Draconis Binary star system 2.75 Alpha2 Librae (Zubenelgenubi) Binary star system 2.75 Beta Ophiuchi (Cebalrai) Star Maximum
List of brightest natural objects in the sky
List_of_brightest_natural_objects_in_the_sky
Pattern of stars recognized on Earth's night sky
formed from three stars – Eltanin, Grumium, and Rastaban (Gamma, Xi, and Beta Draconis) – in the head of Draco and one – Iota Herculis – in the foot of Hercules
Asterism_(astronomy)
Type of star, larger and brighter than the Sun
classified as bright giants include: Canopus Albireo Theta Scorpii Beta Draconis Alpha Herculis Gamma Canis Majoris Within any giant luminosity class
Giant_star
Star in the constellation of Draco
Thuban (/ˈθjuːbæn/), with Bayer designation Alpha Draconis or α Draconis, is a binary star system in the northern constellation of Draco. A relatively
Thuban
Star in the constellation Draco
Kappa Draconis, Latinized from κ Draconis, is a blue giant star located in the northern circumpolar constellation of Draco. At an apparent magnitude of
Kappa_Draconis
Geminorum (Propus) Aa 380 Gemini M2 IIIa 3.1 – 3.7 + 6.04 Ab A B G0 III Beta Draconis (Rastaban) 380 ± 4 Hercules G2Ib-IIa 31 Lyncis (Alsciaukat) 380 ± 10
List of star systems within 350–400 light-years
List_of_star_systems_within_350–400_light-years
Visible star that is nearly aligned with Earth's axis of rotation
Pearson Education. p. 5. ISBN 0-13-145164-2. Around 4800 years ago Thuban (α Draconis) lay a mere 0°.1 from the pole. Deneb (α Cygni) will be the brightest star
Pole_star
Star in the constellation Cepheus
component Beta Cephei Aa on 21 August 2016 and it is now so included in the List of IAU-approved Star Names. Like the star Epsilon Draconis in the constellation
Beta_Cephei
Star in the constellation Ursa Minor
Kochab /ˈkoʊkæb/, Bayer designation Beta Ursae Minoris (β Ursae Minoris, abbreviated β UMi, Beta UMi), is the brightest star in the bowl of the Little
Kochab
Star in the constellation Hercules
refers to an asterism consisting of ι Herculis, ξ Draconis, ν Draconis, β Draconis and γ Draconis. Consequently, ι Herculis itself is known as 天棓五 (Tiān
Iota_Herculis
Star in the constellation Virgo
fields and stellar winds of the mature late F-stars: β Virginis and θ Draconis" (PDF). Monthly Notices of the Royal Astronomical Society. 509 (4): 5117–5141
Beta_Virginis
Pyramid engineering feature
points of Alpha Draconis (which is projected to have been the star closest to the north celestial pole), Orion's Belt, Sirius, and Beta Ursae Minoris.
Star_shaft
(2002). "Discovery of a Substellar Companion to the K2 III Giant Iota Draconis". The Astrophysical Journal. 576 (1): 478–484. Bibcode:2002ApJ...576..478F
List of exoplanets and planetary debris around giant stars
List_of_exoplanets_and_planetary_debris_around_giant_stars
Sextuple star system in Gemini
certain metals. Castor C is a variable star, classified as a BY Draconis type. BY Draconis variables are cool dwarf stars which vary as they rotate due to
Castor_(star)
Star in the constellation Mensa
such X-ray emitters in the solar neighborhood, and is categorized as a BY Draconis variable, although there is some uncertainty in this assignment. It is
AO_Mensae
Binary star in the constellation Cepheus
consisting of Gamma Cephei, Iota Draconis, Theta Draconis, Eta Draconis, Zeta Draconis, Upsilon Draconis, 73 Draconis and 23 Cassiopeiae. A planet orbiting
Gamma_Cephei
Star in the constellation Pictor
be part of the Carina association. The star has been classified as a BY Draconis variable, indicating it has an active chromosphere. It is an X-ray source
AB_Pictoris
Pair of stars in Ursa Minor and Ursa Major
the place of the afterlife. The pole star at the time was Thuban (Alpha Draconis). Egyptians associated those two stars with eternity and the afterlife
The_Indestructibles
Star in the constellation Telescopium
variable star designation, PZ Telescopii, in 1981. It is classified as a BY Draconis variable that ranges in apparent visual magnitude from 8.33 down to 8.63
PZ_Telescopii
Wargaming and military science fiction franchise
Interstellar Operations (IO) was originally a project that had been available in beta form. The book was designed to introduce rules for faction-wide operations
BattleTech
Classification of stars based on spectral properties
Draconis K0III – Pollux K0III – Epsilon Cygni K2V – Epsilon Eridani K2III – Kappa Ophiuchi K3III – Rho Boötis K5V – 61 Cygni A K5III – Gamma Draconis
Stellar_classification
Constellation in the northern celestial hemisphere
analyses with DAO spectrograms - XIX. The superficially normal B stars ζ Draconis, η Lyrae, 8 Cygni and 22 Cygni". Monthly Notices of the Royal Astronomical
Lyra
Brightest star in the constellation Lyra
Michelson, E. (1981). "The near ultraviolet stellar spectra of alpha Lyrae and beta Orionis". Monthly Notices of the Royal Astronomical Society. 197: 57–74.
Vega
Constellation in the northern celestial hemisphere
Earth at a distance of 10.3 light-years. It is a red-hued main-sequence BY Draconis variable star of type M6. 14 And (Veritate) is a yellow-hued giant star
Andromeda_(constellation)
Star that is particularly similar to the Sun
Bibliography - Image. nu2 lupi at SIMBAD - Ids - Bibliography - Image. Sigma Draconis at SIMBAD - Ids - Bibliography - Image. Boyajian, Tabetha S.; et al. (August
Solar_analog
1999 space combat simulation computer game
engagements against the NTF are about to commence, an incident in the Gamma Draconis system leads to the 3rd Fleet of the GTVA being reassigned to the star
FreeSpace_2
Pieces for piano by George Crumb
April 1979. The pieces are all named after stars Alpha Centauri Beta Cygni Gamma Draconis Delta Orionis The cycle was premiered by Gilbert Kalish and Paul
Makrokosmos
Star in the constellation Camelopardalis
Enclosure, refers to an asterism consisting of α Camelopardalis, α Draconis, κ Draconis, λ Draconis, 24 Ursae Majoris, 43 Camelopardalis and BK Camelopardalis
Alpha_Camelopardalis
Star in the constellation Libra
habitable planets. Gliese 581 is classified as a variable star of the BY Draconis type, and has been given the variable star designation HO Librae. This
Gliese_581
84s +15° 23′ 29.236″ M2.0Ve 12.330 34.0172 ±0.0255 Has 1 exoplanet. 8 Draconis (Taiyi) 95.9 ± 0.3 Draco 12h 55m 28.55s +65° 26′ 18.508″ F1VmA7(n) 5.225
List of star systems within 95–100 light-years
List_of_star_systems_within_95–100_light-years
Triple star system in the constellation Piscis Austrinus
a variable star. Fomalhaut B is a flare star of the type known as a BY Draconis variable. It varies slightly in apparent magnitude, ranging from 6.44 to
Fomalhaut
0.5 K 10.38 Has two confirmed exoplanet (HAT-P-17b & c). Thuban (Alpha Draconis) A 303 ± 5 Draco A0IV 3.67 B A1V HD 205739 (Sāmaya) 303.1 ± 0.6 F7 V 8
List of star systems within 300–350 light-years
List_of_star_systems_within_300–350_light-years
Binary star system in the Cygnus constellation
(Johnson & Morgan 1953, Keenan & McNeil 1989). 61 Cygni A is a typical BY Draconis variable star designated as V1803 Cyg while 61 Cygni B is a flare type
61_Cygni
Costikyan Pathfinder Paizo Publishing 2009 Fantasy role-playing game Pax Draconis Technicraft Design A detailed rules heavy space opera with a percentile
List of tabletop role-playing games
List_of_tabletop_role-playing_games
Constellation in the northern celestial hemisphere
p. 396. ISBN 978-0-521-89935-2. "V* YZ Canis Minoris – Variable of BY Draconis Type". SIMBAD. Retrieved 1 October 2012. "First Flares on a Distant Star"
Canis_Minor
Genus of fungi
caricae-papayae Phoma costaricensis Phoma cucurbitacearum Phoma destructiva Phoma draconis Phoma eupyrena Phoma fuliginosa – lichenicolous on Caloplaca trachyphylla
Phoma
Star whose brightness fluctuates, as seen from Earth
they are the result of the merger of a (contact) binary. BY Draconis variable stars BY Draconis stars are a common type of variable with spectral class F
Variable_star
1991)". VizieR Online Data Catalog: V/50. Bibcode:1995yCat.5050....0H. "Beta Cas". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved December
List_of_nearest_giant_stars
Star in the constellation Lyra
with DAO spectrograms. XXV. The superficially normal B and A stars alpha Draconis, tau Herculis, gamma Lyrae, and HR 7926", Astronomy and Astrophysics, 371
Gamma_Lyrae
Star in the constellation Lepus
companion, AK Leporis (or Gamma Leporis B), which is a variable star of the BY Draconis type and has an average brightness of magnitude 6.28. The two are 95″ apart
Gamma_Leporis
Constellation in the southern celestial hemisphere
every 20 hours. Aside from Beta, five other stars in Pictor are known to host planetary systems. AB Pictoris is a BY Draconis variable star with a substellar
Pictor
2016 first-person shooter video game
loaded onto the Draconis, an IMC transport. The Militia gives chase in hijacked IMC ships. BT and Cooper attempt to board the Draconis but are attacked
Titanfall_2
Clandestine term
Toledo, Windsor and Brisbane Phenom CPUs: Agena (Beta Centauri), Toliman (Alpha Centauri), Kuma (Nu Draconis), Deneb (Alpha Cygni), Propus (Eta Geminorum)
Code_name
Type of variable star
ellipsoidal Stellar spots BY Draconis FK Comae Berenices Magnetic fields α2 Canum Venaticorum Pulsar SX Arietis Eclipsing Algol Beta Lyrae Planetary transit
Rapidly_oscillating_Ap_star
Star in the constellation Microscopium
system have active stellar coronae, show luminosity variations of the BY Draconis type, and are X-ray emitters. The average flare rate for the pair is 2
AT_Microscopii
Hyades Open cluster. Epsilon Draconis B 152.5 ± 0.3 Draco F6V 6.80 Gamma Apodis 153 ± 1 Apus G9 III 3.86 Epsilon Draconis A 153.0 ± 0.9 Draco G7IIIbFe-1
List of star systems within 150–200 light-years
List_of_star_systems_within_150–200_light-years
Star in the constellation Microscopium
modulation and flares on RS CVn and BY DRA systems. II - IUE observations of BY Draconis and AU Microscopii". Astronomy and Astrophysics. 174 (1–2): 139–157. Bibcode:1987A&A
AU_Microscopii
(October 1962). "Parallax and orbital motion of the triple system 26 Draconis from photographs taken with the Sproul 24-inch refractor". Astronomical
List of nearest stars by spectral type
List_of_nearest_stars_by_spectral_type
Constellation in the northern celestial hemisphere
lit. 'the trotting (camel), the dancing one'), the name for the star Mu Draconis. Hence its Swahili name Rakisi.[citation needed] Hercules (Chinese astronomy)
Hercules_(constellation)
Constellation in the southern celestial hemisphere
Fomalhaut as it lies within a light-year of it. Of magnitude 6.5, it is a BY Draconis variable. The second-brightest star in the constellation, Epsilon Piscis
Piscis_Austrinus
one unconfirmed. MS Draconis 88.92 ± 0.04 Draco K0V 8.40 59 Draconis 89 Draco 19h 09m 09.88146s +76° 33′ 37.8138″ A9-F2 V Mu Draconis (Alrakis) 89 ± 1 Draco
List of star systems within 85–90 light-years
List_of_star_systems_within_85–90_light-years
Constellation in the southern celestial hemisphere
quiescent, brightening to 12.7 in outburst. SZ Crateris is a magnitude 8.5 BY Draconis type variable star. It is a nearby star system located about 42.9 ± 1.0
Crater_(constellation)
b/Xolotlan). Beta Coronae Borealis (Nusakan) A 112 ± 3 Corona Borealis 15h 27m 49.7308s +29° 06′ 20.530″ A9SrEuCr 3.65 to 3.72 B F2 Xi Draconis (Grumium)
List of star systems within 100–150 light-years
List_of_star_systems_within_100–150_light-years
0070 Libra 14h 34m 16.8s −12° 31′ 10″ M4.0V 10.3–10.33 159.9225±0.0546 BY Draconis variable; has 1 known planet, 1 candidate EQ Pegasi (Gliese 896, BD+19 5116)
List of star systems within 20–25 light-years
List_of_star_systems_within_20–25_light-years
92 ± 3 Aquarius 22h 28m 49.888s -00° 01′ 11.87″ F3 V 3.65# B F6 IV Eta Draconis (Athebyne)$ 92.1±0.2 Draco 16h 23m 59.48594s +61° 30′ 51.1699″ G8 III 2
List of star systems within 90–95 light-years
List_of_star_systems_within_90–95_light-years
Stellar classification
found around evolved K-giant stars including Pollux, Gamma Cephei and Iota Draconis. Doppler surveys around a wide variety of stars indicate about one in six
A-type_main-sequence_star
Constellation in the southern celestial hemisphere
orange dwarf that has 80% the size and mass of the Sun, it is also a BY Draconis variable. These are a class of stars with starspots prominent enough that
Mensa_(constellation)
Type of star larger than main-sequence but smaller than a giant
Herculis, η Scorpii F6: τ Boötis, θ Boötis, γ Serpentis F8: 50 Andromedae, θ Draconis, G0: η Boötis, ζ Herculis G2: μ2 Cancri, β Hydri, 79 Ceti G5: μ Herculis
Subgiant
Crawford, D. L.; Barnes, J. V.; Golson, J. C. (1971-12-01). "Four-color, H-beta and UBV photometry for bright B-type stars in the northern hemisphere". The
List_of_nearest_supergiants
Earth. 42 Draconis (Fafnir) 295 ± 2 Draco K1.5 III 4.82 Chi Tauri 295 ± 4 Taurus B9V 5.378 31 Leonis (Yunü) 296 ± 4 Leo K3.5 IIIb Fe-1: 4.39 Beta Crateris
List of star systems within 250–300 light-years
List_of_star_systems_within_250–300_light-years
−49° 48′ 00.2195″ DAV4.4 14.0 Variable WISE 2237-0614 53.5 T5 17.40 BY Draconis 53.6 ± 0.6 Draco 18h 33m 55.7728s +51° 43′ 08.905″ K6Ve 8.07 Gliese 531
List of star systems within 50–55 light-years
List_of_star_systems_within_50–55_light-years
Centaurus 4.344 ± 0.002 0.01 + 1.33 G2V + K1V b (unconfirmed) 559.1 EK Draconis Draco 111.32 7.701-7.753 G1.5V 560 Alpha Circini (Xami) Cricnus 54.0 ±
List of Gliese and GJ objects (1-1000)
List_of_Gliese_and_GJ_objects_(1-1000)
List of largest planets by size
Ritika; et al. (February 2024). "The benchmark M dwarf eclipsing binary CM Draconis with TESS: spots, flares, and ultra-precise parameters". Monthly Notices
List_of_largest_exoplanets
Overview of the scientific field of astronomy
Berenices BY Draconis variable Magnetic fields Alpha² Canum Venaticorum variable SX Arietis Pulsar Eclipsing binary Algol variable Beta Lyrae variable
Outline_of_astronomy
Star in the constellation Andromeda
four exoplanet host stars : θ Cygni, 14 Andromedae, υ Andromedae and 42 Draconis". Astronomy & Astrophysics. 545: A5. arXiv:1208.3895. Bibcode:2012A&A.
Upsilon_Andromedae
SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2010-06-21. "Beta Ceti". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2010-06-21
List_of_stars_for_navigation
listing them as "traditional".[citation needed] The name Tyl for Epsilon Draconis, appearing in Antonín Bečvář's Skalnate Pleso Atlas of the Heavens, has
Stars_named_after_people
72 Gliese 710 +1,260,000 +1,460,000 +1,300,000 −2.7 0.16 62 9.66 Gamma Draconis (Eltanin) +1,460,000 +2,030,000 +1,550,000 −1.39 27.7 154 2.36 Upsilon
Historical_brightest_stars
Tucanae$ 75.20 Tucana 23h 17m 25.77222s −58° 14′ 08.6287″ F4V 3.99# Omega Draconis 75.6 ± 0.3 Draco 17h 36m 57.09431s +68° 45′ 28.6815″ F5V 4.80 Alpha² Librae
List of star systems within 75–80 light-years
List_of_star_systems_within_75–80_light-years
Protocol Psi Draconis Dziban Draco A single-star asterism in the Purple Forbidden enclosure. 柱史 Zhù Shǐ Official of Royal Archives Phi Draconis 钺 Yuè Battle
List_of_Chinese_star_names
Variable star in the constellation of Lynx
Spectroscopic Observations of Three Interacting Binary Systems SW Lyncis, RR Draconis and IQ Persei at the SOAO and the BOAO in South Korea", The Proceedings
SW_Lyncis
2.7 184.02 0.81 radial vel. 2007 280.24 2.1 4753 Proper name Arkas 42 Draconis b 3.88 479.1 1.19 radial vel. 2008 296.36 0.98 4200 Proper name Orbitar
List of exoplanets discovered between 2000–2009
List_of_exoplanets_discovered_between_2000–2009
L.; Schneider, J. (2000). "A search for Jovian-mass planets around CM Draconis using eclipse minima timing". Astronomy & Astrophysics. 358 (358): L5–L8
Methods of detecting exoplanets
Methods_of_detecting_exoplanets
0348-6022§ 27.16±0.41 Reticulum 03h 48m 07.7s −60° 22′ 27″ T7 120.1±1.8 Chi Draconis A$ 27.17±0.13 Draco 18h 21m 03.4s +72° 43′ 58″ F7V 3.68# 124.11±0.87 B$
List of star systems within 25–30 light-years
List_of_star_systems_within_25–30_light-years
Illuminae Files. Hyperion – The flagship of Jim Raynor in StarCraft IMS Draconis – A Heavy-Transport vessel operated by the Interstellar Manufacturing Corporation
List_of_fictional_spacecraft
Bigelow Sky Survey BY – (celestial object) BY Draconis, a class of rotating variable stars for which BY Draconis is the archetypal object C – First Cambridge
List_of_astronomy_acronyms
List of stars by constellation IAU-Catalog of Star Names Designated as Beta Nubeculae Majoris by Bode in his Uranographia Designated as Alpha Nubeculae
List_of_stars_in_Mensa
Binary star system in the constellation Cassiopeia
charioteer during the Spring and Autumn period. The other components are Beta Cassiopeiae (Caph), Kappa Cassiopeiae, Alpha Cassiopeiae (Schedar) and Lambda
Eta_Cassiopeiae
Meteor shower observatory
of that comet. The meteors radiated from the direction of the star Eta Draconis resulting in the new shower called the February Eta Draconids (FEDs) This
Cameras for All-Sky Meteor Surveillance
Cameras_for_All-Sky_Meteor_Surveillance
star in the constellation Battery of Volta by Thomas Young Labelled the ‘beta’ star in the constellation Battery of Volta by Thomas Young Final Results
List_of_stars_in_Pegasus
Detecting planets located outside the Solar System
(2002). "Discovery of a Substellar Companion to the K2 III Giant Iota Draconis". Astrophysical Journal. 576 (1): 478–484. Bibcode:2002ApJ...576..478F
Discoveries_of_exoplanets
S2CID 39426786. Kalomeni, B.; Yakut, K. (2025). "Comprehensive analysis of CM Draconis: Eclipse timing variations driven by either a third body or stellar magnetic
List_of_smallest_known_stars
NASA-funded citizen science project
red in J-ch2 HP Draconis C 260.9±1.6 471.3±31.4 7087±205 (6814) White dwarf, separated by 1140 au from the eclipsing binary HP Draconis Ross 19 B 56.9
Backyard_Worlds
Star in the constellation Canis Minor
perihelion passage at a distance of 10.2 ly. YZ CMi is a potential member of the Beta Pictoris moving group. This is a red dwarf star, or M-type main-sequence
YZ_Canis_Minoris
NASA satellite of the Explorer program
day, NASA announced that astronomers used TESS data to show that Alpha Draconis is an eclipsing binary star. NASA also announced the discovery of TOI-1338
Transiting Exoplanet Survey Satellite
Transiting_Exoplanet_Survey_Satellite
V4200 188088 97944 19h 54m 17.82s −23° 56′ 24.3″ 6.22 5.46 46 K3/K4V BY Draconis variable 297 G. Sgr 297 194433 100852 20h 26m 53.14s −37° 24′ 09.5″ 6.24
List_of_stars_in_Sagittarius
confirmation. First known planet orbiting a true giant star Iota Draconis b Iota Draconis 2002 Planet Epsilon Reticuli Ab was discovered earlier in 2000
List_of_exoplanet_firsts
Aur V538 37394 26779 05h 41m 20.33s +53° 28′ 56.4″ 6.21 5.77 40 K1V BY Draconis variable, ΔV = 0.04m, P = 10.86 d 40325 28438 06h 00m 18.92s +44° 35′ 31
List_of_stars_in_Auriga
BETA DRACONIS
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