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Triple star system in the constellation Aquarius
91 Aquarii is a triple star system in the equatorial constellation of Aquarius. It also bears the Bayer designation Psi1 Aquarii (ψ1 Aqr, ψ1 Aquarii).
91_Aquarii
Extrasolar planet
91 Aquarii b, also known as HD 219449 b, is an extrasolar planet orbiting in the 91 Aquarii system approximately 148 light-years away in the constellation
91_Aquarii_b
Zodiac constellation straddling the celestial equator
orbital period from 2 days to 124 days. 91 Aquarii is an orange giant star orbited by one planet, 91 Aquarii b. The planet's mass is 2.9 times the mass
Aquarius_(constellation)
Index of articles associated with the same name
designation ψ Aquarii (psi Aquarii, ψ Aqr) is shared by three stars/star systems in the constellation Aquarius: ψ1 Aquarii (91 Aquarii), a multiple star
Psi_Aquarii
Star in the constellation Aquarius
Alpha Aquarii is a yellow supergiant star in the constellation of Aquarius. Its identifier is a Bayer designation that is Latinized from α Aquarii, and
Alpha_Aquarii
Double star in the constellation Aquarius
Beta Aquarii is a single yellow supergiant star in the constellation of Aquarius. It has the official name Sadalsuud (/ˌsædəlˈsuːəd/) and the Bayer designation
Beta_Aquarii
Star in the constellation Aquarius
Xi Aquarii is a binary star system in the equatorial constellation of Aquarius. Its name is a Bayer designation that is Latinized from ξ Aquarii, and
Xi_Aquarii
(Itonda) 146.5 ± 0.2 21h 57m 19.84754s −37° 45′ 49.0480″ G1/3V 7.47 91 Aquarii (Psi¹ Aquarii) 147.6 ± 0.9 Aquarius 23h 15m 53.49405s −09° 05′ 15.8450″ K1 III
List of star systems within 100–150 light-years
List_of_star_systems_within_100–150_light-years
Star in the constellation of Aquarius
R Aquarii (R Aqr) is a variable star in the constellation Aquarius. R Aquarii is a symbiotic star containing a red giant primary and a white dwarf secondary
R_Aquarii
Extrasolar planet in the constellation Eridanus
about 33 months to orbit with semi-amplitude of 17.9 m/s. 51 Pegasi b 91 Aquarii b 109 Piscium b Epsilon Eridani b Butler, R. P.; et al. (2006). "Catalog
HD_10647_b
....0W. SIMBAD, 85 Aquarii[link removed] (accessed 24 July 2012) SIMBAD, 75 Aquarii (accessed 2 December 2019) SIMBAD, 72 Aquarii[link removed] (accessed
List_of_stars_in_Aquarius
Binary star in the constellation Aquarius
Omega1 Aquarii is a binary star system in the equatorial constellation of Aquarius. Its name is a Bayer designation that is Latinized from ω1 Aquarii, and
Omega1_Aquarii
4 4785 83 Leonis Bb 0.07 17.0431 0.12 radial vel. 2004 59.4 0.48 4815 91 Aquarii b 3.2 181.4 0.7 radial vel. 2003 148.5 1.4 4665 94 Ceti b 1.37 466.2 1
List of exoplanets discovered between 2000–2009
List_of_exoplanets_discovered_between_2000–2009
Star in the constellation Gemini
A brown dwarf and a planet orbiting the K giant stars τ Geminorum and 91 Aquarii", Astronomy & Astrophysics, 555: 10, arXiv:1305.5107, Bibcode:2013A&A
Tau_Geminorum
929 176.253 0.767 0.1119 2010 HD 5891 b 7.562 177.106 0.765 0.0663 2011 91 Aquarii b 2.942 181.692 0.856 0.0027 2003 Arkas 2.673 184.023 0.814 0.0061 2008
List of exoplanets detected by radial velocity
List_of_exoplanets_detected_by_radial_velocity
Variable star in the constellation Aquarius
EW Aquarii, or HR 8102, is a variable star in the equatorial constellation of Aquarius. With an apparent visual magnitude that fluctuates near 6.4, it
EW_Aquarii
Star in the constellation Aquarius
Omega2 Aquarii is a star system in the equatorial constellation of Aquarius. Its name is a Bayer designation that is Latinised from ω2 Aquarii, and abbreviated
Omega2_Aquarii
Binary star in the constellation Aquarius
Psi3 Aquarii is a visual binary star system in the constellation of Aquarius. Its name is a Bayer designation that is Latinized from ψ3 Aquarii, and abbreviated
Psi3_Aquarii
B-type main sequence star in the constellation Aquarius
Aquarii is a binary star system in the equatorial constellation of Aquarius. Its identifier is a Bayer designation that is Latinised from ι Aquarii,
Iota_Aquarii
Star in the constellation Aquarius
detected by Edward W. Weis. It was given its variable star designation, IL Aquarii, in 1997. On June 23, 1998, an extrasolar planet was announced in orbit
Gliese_876
Triple star system in the constellation Piscis Austrinus
Following Ptolemy, John Flamsteed in 1725 additionally denoted it 79 Aquarii. The current designation reflects modern consensus on Bayer's decision
Fomalhaut
Star in the constellation of Aquarius
U Aquarii, abbreviated U Aqr, is a variable star in the equatorial constellation of Aquarius. It is invisible to the naked eye, having an apparent visual
U_Aquarii
Nu Aquarii 162.4 ± 0.9 Aquarius G8 III 4.520 98 Aquarii (b¹ Aquarii) 163 ± 2 Aquarius K0 III 3.97 Gamma Librae (Zubenelhakrabi) 163 ± 2 G8.5 III 3.91 107
List of star systems within 150–200 light-years
List_of_star_systems_within_150–200_light-years
Binary star system in the constellation Aquarius
51 Aquarii is a binary star system located around 410 light years away from the Sun in the equatorial constellation of Aquarius. 51 Aquarii is its Flamsteed
51_Aquarii
Single yellow-hued star in the constellation Cetus
as much stellar radiation as Earth does, slightly less than Venus with 1.91 times Earth's. Nevertheless, some research placed it within the star's habitable
Tau_Ceti
Has 5 exoplanets. 68 Aquarii (g² Aquarii) 270 ± 4 Aquarius G8 III 5.24 Alpha Arae 270 ± 20 Ara B2 Vne 2.93 88 Aquarii (c² Aquarii/Safina) 271 ± 5 Aquarius
List of star systems within 250–300 light-years
List_of_star_systems_within_250–300_light-years
Single, K-type star in the constellation Aquarius
25 Aquarii (abbreviated 25 Aqr) is a single star in the equatorial constellation of Aquarius. 25 Aquarii is the modern Flamsteed designation; in the past
25_Aquarii
Red giant star in the constellation Pegasus
the traditional name of Scheat, a name that had also been used for Delta Aquarii. The name was derived from the Arabic Al Sā'id "the upper arm", or from
Beta_Pegasi
2 Pegasus 22h 10m 11.98528s +06° 11′ 52.3078″ A2V +3.52# B M4-5.5 Zeta Aquarii A$ 92 ± 3 Aquarius 22h 28m 49.888s -00° 01′ 11.87″ F3 V 3.65# B F6 IV Eta
List of star systems within 90–95 light-years
List_of_star_systems_within_90–95_light-years
Near-Earth asteroid
and temporarily labeled D.Q. Witt was taking a two-hour exposure of beta Aquarii to secure astrometric positions of asteroid 185 Eunike. Eros is named after
433_Eros
Constellations recognized by the International Astronomical Union
Houtman bird-of-paradise Paradys 3.83 206 Aquarius /əˈkwɛəriəs/ Aqr Aqar Aquarii ancient (Ptolemy) water-bearer Sadalsuud 2.87 980 Aquila /ˈækwɪlə/ Aql
IAU_designated_constellations
Gamma Trianguli Australis Star 2.89 Beta Aquarii (Sadalsuud) Star 2.91 2.82 Pi Scorpii Triple star system 2.93 2.91 Gamma Persei Binary star system 2.93 Tau
List of brightest natural objects in the sky
List_of_brightest_natural_objects_in_the_sky
Star in the northern constellation of Pegasus
(asterism), refers to an asterism consisting of Epsilon Pegasi, Alpha Aquarii and Theta Pegasi. Consequently, the Chinese name for Epsilon Pegasi itself
Epsilon_Pegasi
Star in the constellation Aquarius
HK Aquarii is a single variable star in the equatorial constellation of Aquarius. It is invisible to the naked eye, having an average apparent visual
HK_Aquarii
American astronomer
Monoceros". Sky & Telescope: 91. August 2007. "Edge-on Spiral Galaxy NGC 891". Sky & Telescope: 78. August 2013. "R Aquarii: Watching a Volatile Stellar
Adam Block (astrophotographer)
Adam_Block_(astrophotographer)
168 11.13 13.51 296.3053 ±0.0302 flare star, one planet (b) (2017) EZ Aquarii (Gliese 866, Luyten 789-6) A 11.109 ±0.034 Aqr* 22h 38m 33.4s −15° 17′ 57″
List_of_nearest_stars
{\displaystyle {\sqrt {(5772/4,150)^{4}*5,500}}=143.46\ R\odot } Using Alpha Aquarii's measured angular diameter at 3.066±0.036 milliarcseconds (mas), together
List_of_nearest_supergiants
Coronae Borealis (α CrB or Alphecca or Gemma), Beta Aurigae (β Aur), Delta Aquarii (δ Aqr), Gamma Leporis (γ Lep) and Beta Serpentis (β Ser). More bright
Ursa_Major_moving_group
April 2014). "Accurate Parallax Measurement toward the Symbiotic Star R Aquarii". Publications of the Astronomical Society of Japan. 66 (2): 38. arXiv:1401
List_of_largest_stars
Star in the constellation Triangulum Australe
its absolute magnitude is similar to that of supergiants such as Beta Aquarii or Beta Camelopardalis, so its stellar classification should be at least
Alpha_Trianguli_Australis
participant. Christian groups, including the Adamites, Carpocratians, Aquarii, and Marcosians all practice social nudity at this time . 393 CE: Students
Timeline_of_social_nudity
Celestial event caused by streams of meteoroids entering Earth's atmosphere
replaced by "id" or "ids." Hence, meteors radiating from near the star Delta Aquarii (declension "-i") are called the Delta Aquariids. The International Astronomical
Meteor_shower
Interferometry with the CHARA Array". The Astrophysical Journal. 873 (1): 91. Bibcode:2019ApJ...873...91G. doi:10.3847/1538-4357/ab04b2. ISSN 0004-637X
List of nearest stars by spectral type
List_of_nearest_stars_by_spectral_type
K0V 11.12±0.03 Has four exoplanets. N 490 ± 1 K0V 11.18±0.03 89 Aquarii (c³ Aquarii) A 489.2 Aquarius G3 II +4.69 B A2 V HD 93194 490 ± 10 B3/5Vn Part
List of star systems within 450–500 light-years
List_of_star_systems_within_450–500_light-years
Constellation in the northern celestial hemisphere
separate asterisms of stars. Epsilon and Theta Pegasi are joined with Alpha Aquarii to form Wei 危 "rooftop", with Theta forming the roof apex. In Hindu astronomy
Pegasus_(constellation)
Gliese 342 65.4 ± 1.4 Draco K7V Gliese 747.3 65.4 ± 2.0 Lyra K6.5V 9.342 53 Aquarii A 65.5 ± 3.5 Aquarius 22h 26m 34.2753s −16° 44′ 31.697″ G1V 6.35/6.57 B
List of star systems within 65–70 light-years
List_of_star_systems_within_65–70_light-years
Star in the constellation Aquarius
8 Aquarii (abbreviated 8 Aqr) is a blue-white sub-giant of the spectral class A4IV in the constellation Aquarius. 8 Aquarii is the Flamsteed designation
8_Aquarii
Star in the constellation Eridanus
0h, 1h, 2h, and 3h", Annals of Harvard College Observatory, 91: 1–290, Bibcode:1918AnHar..91....1C.—see p. 236 Gill, David; Elkin, W. L. (1884), Heliometer
Epsilon_Eridani
Continuous band of stars that appears on plots of stellar color versus brightness
Stars: Evidence for Uniformity in Variable Systems". Science. 295 (5552): 82–91. arXiv:astro-ph/0201098. Bibcode:2002Sci...295...82K. doi:10.1126/science
Main_sequence
4847 4.71 2020 RR Caeli b 4.2 5479 5.3 0 2012 HU Aquarii c 5.9 5646 6.18 0.29 2011 NN Serpentis c 6.91 5660 5.38 0 2010 KIC 10544976 b 13.4 6136 6.56 0
List of exoplanets detected by timing
List_of_exoplanets_detected_by_timing
Itoh, Kei; et al. (2005). "Density diagnostics of the hot plasma in AE Aquarii with XMM-NEWTON" (PDF). The Astrophysical Journal. 639 (1): 397–404.
List_of_smallest_known_stars
Goldilocks terrestrial exoplanet orbiting Teegarden's Star
years of observation, two periodic radial velocity signals emerged: one at 4.91 d (Teegarden's Star b) and another at 11.41 d (Teegarden's Star c). Teegarden's
Teegarden's_Star_b
Double asteroid system in the outer asteroid belt
90 Antiope occulted the star LQ Aquarii on July 19, 2011, in western USA. 46 stations observed a positive, 11 stations observed a miss and others were
90_Antiope
Type of eruptive variable star
ark:/13960/t2n593755. Andrew D. Vanture; Daniel Zucker; George Wallerstein (1999). "Is U Aquarii a Thorne-Żytkow Object?". The Astrophysical Journal. 514 (2) (published
R_Coronae_Borealis_variable
Hydra A0 Vn 4.34 HD 115587 356.2±0.5 G0 Has one known exoplanet. Tau¹ Aquarii 357 ± 2 Aquarius B9 V +5.66 ADS 9731 B 358 ± 1 Corona Borealis G4V 6.9
List of star systems within 350–400 light-years
List_of_star_systems_within_350–400_light-years
(5?) planets: b, c, d, e, f? Ross 128 (11.0074±0.0011 ly) planet b EZ Aquarii (11.109±0.034 ly) 2 red dwarfs: B, C Struve 2398 (11.4908±0.0009 ly) red
List_of_nearest_bright_stars
Stars sorted by absolute magnitude
Majoris (Muliphein in Collinder 121) 715 -2.397 440 4.1 13,600 SIMBAD ο Aquarii (in Pisces-Eridanus stellar stream) 340 -1.589 440 4.71 13,500 SIMBAD φ
List_of_most_luminous_stars
Planet that orbits two stars instead of one
Thinius, B. D. (August 2018). "On the ephemeris of the eclipsing polar HU Aquarii. II: New eclipse epochs obtained 2014-2018". Astronomische Nachrichten
Circumbinary_planet
science.nasa.gov. 22 April 2019. "HU Aquarii AB b - NASA Science". science.nasa.gov. 25 October 2019. "HU Aquarii AB c - NASA Science". science.nasa.gov
List of exoplanets and planetary debris around white dwarfs
List_of_exoplanets_and_planetary_debris_around_white_dwarfs
near-infrared spectro-interferometric analysis of the edge-on Be star o Aquarii". Astronomy & Astrophysics. 636: 23. arXiv:2002.09552. Bibcode:2020A&A
List_of_most_massive_stars
Galaxy in the constellation Aquarius
Herschel 400 Catalogue. It lies 1.5 degrees north-northwest from Omega1 Aquarii. It can be seen with a 4-inch telescope under dark skies. NGC 7723 is a
NGC_7723
Red dwarf star in the constellation of Sculptor
(5?) planets: b, c, d, e, f? Ross 128 (11.0074±0.0011 ly) planet b EZ Aquarii (11.109±0.034 ly) 2 red dwarfs: B, C Struve 2398 (11.4908±0.0009 ly) red
Gliese_1
Star in the constellation Ophiuchus
(5?) planets: b, c, d, e, f? Ross 128 (11.0074±0.0011 ly) planet b EZ Aquarii (11.109±0.034 ly) 2 red dwarfs: B, C Struve 2398 (11.4908±0.0009 ly) red
Wolf_1061
Gotti died at the age of 54. On February 12, Tommy Hunt died at the age of 91. Jimi Mbaye died at the age of 67. On February 18, the MOBO Awards 2025 were
2025_in_rhythm_and_blues
11 12 207203 107575 21h 47m 13.96s +02° 41′ 10.1″ 5.63 −0.15 467 A1V 27 Aquarii 73 Peg 73 221758 116355 23h 34m 38.21s +33° 29′ 50.2″ 5.63 0.77 305 K0III:
List_of_stars_in_Pegasus
7 1.01 radial vel. 84.41 0.29 4510 HU Aquarii b 5.9 2390 3.6 timing 626.89 0.88 5952 Controversial HU Aquarii c 4.5 4368 5.4 timing 626.89 0.88 5952
List of exoplanets discovered in 2011
List_of_exoplanets_discovered_in_2011
Star in the constellation Carina
(5?) planets: b, c, d, e, f? Ross 128 (11.0074±0.0011 ly) planet b EZ Aquarii (11.109±0.034 ly) 2 red dwarfs: B, C Struve 2398 (11.4908±0.0009 ly) red
DENIS_J081730.0−615520
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