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Star in the constellation Lacerta
11 Lacertae is a star in the northern constellation of Lacerta. It is visible to the naked eye as a faint orange-hued star with an apparent visual magnitude
11_Lacertae
Active galaxy in the constellation Lacerta
BL Lacertae or BL Lac is a highly variable, extragalactic active galactic nucleus (AGN or active galaxy). It was first discovered by Cuno Hoffmeister in
BL_Lacertae
Type of active galactic nucleus
BL Lacertae object or BL Lac object is a type of active galactic nucleus (AGN) or a galaxy with such an AGN, named after its prototype, BL Lacertae. In
BL_Lacertae_object
Star in the constellation Lacerta
Alpha Lacertae, also named Stellio, is a single white-hued star in the constellation of Lacerta, located 103 light-years from the Sun. It is the brightest
Alpha_Lacertae
Star in the constellation Lacerta
V424 Lacertae (V424 Lac), also named Tengshe, is a red supergiant and a variable star in the constellation Lacerta. It is a member of the Lacerta OB1 stellar
V424_Lacertae
Star in the constellation Lacerta
EV Lacertae (EV Lac, Gliese 873, HIP 112460) is a faint red dwarf star 16.48 light-years (5.05 parsecs) away in the constellation Lacerta. It is the nearest
EV_Lacertae
Emission nebula in Lacerta constellation
star V375 Lacertae (A7Ve). "Simbad - Object view". simbad.cds.unistra.fr. Retrieved 2025-11-29. "Sh 2-126". galaxymap.org. Retrieved 2025-11-29. info@noirlab
Sh_2-126
Binary star in the constellation Lacerta
U Lacertae is a spectroscopic binary star in the constellation Lacerta. Despite being in the constellation of Lacerta, U Lacertae is considered to be
U_Lacertae
Star system in the constellation Lacerta
AR Lacertae is a frequently-studied triple star system in the northern constellation of Lacerta, abbreviated AR Lac. This variable star system is the prototype
AR_Lacertae
Very compact quasi-stellar radio source
A blazar (neologism of "BL Lacertae" and "Quasar") is an active galactic nucleus (AGN) with a relativistic jet – a jet composed of ionized matter traveling
Blazar
Binary star in the constellation Lacerta
14 Lacertae is a binary star system in the northern constellation Lacerta, located around 1,600 light years away. It has the variable star designation
14_Lacertae
Star in the constellation Lacerta
5 Lacertae (5 Lac) is a spectroscopic binary in the constellation Lacerta. Its apparent magnitude is 4.36. 5 Lacertae is a slow irregular variable star
5_Lacertae
BL Lacertae object in the constellation of Taurus
1ES 0414+009 known as H 0414+009, is a BL Lacertae object with an active galactic nucleus located in the constellation of Taurus. The redshift of the object
1ES_0414+009
Reflection Nebula in Andromeda
roughly 36 light-years (11 parsecs) across and elongated along a position angle pointing toward the O-type star 10 Lacertae (in Lac OB1b). The cloud's
VdB_158
BL Lacertae object in the constellation Boötes
PKS 1413+135 is a BL Lacertae object located in the constellation of Boötes. The redshift of the object is (z) 0.246 and it was first discovered by a group
PKS_1413+135
Blazar in the constellation of Puppis
P. E.; Aller, M. F. (August 1981). "Radio polarization rotators : BL Lacertae and 0727-115". The Astrophysical Journal. 248: L5–L8. Bibcode:1981ApJ.
PKS_0727−11
BL Lacertae object located in the constellation Aries
1E 0317+186, also known as RBS 413, is a BL Lacertae object or a blazar located in the constellation of Aries. The redshift of the object is (z) 0.190
1E_0317+186
Main-sequence star of spectral type O
changed since the early 20th century, are S Monocerotis (O7 V) and 10 Lacertae (O9 V). The Morgan–Keenan–Kellerman (MKK) "Yerkes" atlas from 1943 listed
O-type_main-sequence_star
BL Lacertae object in the constellation Boötes
OQ 530 is a BL Lacertae object located in the constellation of Boötes. The redshift of the object is (z) 0.152 and it was first discovered in 1978 by astronomers
OQ_530
BL Lac object in the constellation Cancer
OJ 287 is a BL Lacertae object 4 billion light-years from Earth that has produced quasi-periodic optical outbursts going back approximately 120 years,
OJ_287
OB association in the constellation Lacerta
surrounding star fields. The brightest component is 6 Lacertae, with a magnitude of 4.51, followed by 10 Lacertae, with a magnitude of 4.88, and other stars of
Lacerta_OB1
BL Lacertae object in the constellation Ursa Major
1ES 1011+496 is a relatively distant BL Lacertae object (BL Lac) located 2.7 billion light-years away in the constellation of Ursa Major. This object has
1ES_1011+496
BL Lac object in the constellation Aries
AO 0235+164 is a BL Lacertae object (BL Lac object) located in the constellation of Aries, 7.5 billion light years from Earth. It has a redshift of 0.94
AO_0235+164
6″ 4.50 −1.69 563 K3III suspected variable, Vmax = 4.49m, Vmin = 4.55m 11 Lac 11 214868 111944 22h 40m 30.78s +44° 16′ 34.6″ 4.50 −0.33 302 K3III variable
List_of_stars_in_Lacerta
Galaxy in the constellation Virgo
BL Lacertae object (of lower luminosity than its surrounds) seen from a relatively large angle. Flux variations, characteristic of the BL Lacertae objects
Messier_87
Star in the constellation Lacerta
10 Lacertae (10 Lac) is a star in the constellation Lacerta. With an apparent magnitude of 4.9, it is located around 550 parsecs (1,800 ly) distant in
10_Lacertae
Star in the constellation Lacerta
2 Lacertae is a binary star in the constellation of Lacerta. With an apparent magnitude of about 4.5, it is faintly visible to the naked eye. Its parallax
2_Lacertae
of the asterism was V424 Lacertae, which has been named Tengshe by the IAU Working Group on Star Names. Later, Alpha Lacertae was identified as the main
Flying_serpent_(asterism)
1910 Nova in the constellation Lacerta
DI Lacertae or Nova Lacertae 1910 was a nova in constellation Lacerta which appeared in 1910. It was discovered by Thomas Henry Espinell Compton Espin
DI_Lacertae
1950 Nova seen in the constellation Lacerta
DK Lacertae (Nova Lacertae 1950) was a nova, which lit up in the constellation Lacerta in 1950. The nova was discovered by Charles Bertaud of the Paris
DK_Lacertae
Star in the constellation Lacerta
4 Lacertae is a single blue supergiant star in the northern constellation Lacerta, located about 2,600 light years away. This object visible to the naked
4_Lacertae
Blazar in the constellation Pictor
astronomer named Olin J. Eggen, who noted it as a luminous quasar. This is a BL Lacertae object in literature because of its featureless optical spectra as well
PKS_0537−441
Blazar in the constellation Eridanus
gamma-ray activity of two blazars PKS 0420-01 and BL Lacertae". The Astronomer's Telegram. Retrieved 2024-11-08. Xie, G. Z.; Li, K. H.; Bai, J. M.; Dai, B.
PKS_0420−014
BL Lacertae object in the constellation Hercules
RGB 1745+398 is a BL Lacertae object located in the constellation of Hercules. The redshift of the object is (z) 0.267 and it was first discovered in 1997
RGB_1745+398
Star in the constellation of Andromeda
α Lacertae, 4 Lacertae, π2 Cygni, π1 Cygni, HD 206267, ε Cephei, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, τ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3
Kappa_Andromedae
K-type giant star in the constellation Cassiopeia
Cassiopeiae, α Lacertae, 4 Lacertae, π2 Cygni, π1 Cygni, HD 206267, ε Cephei, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3 Andromedae
Tau_Cassiopeiae
System of two stars orbiting each other
binary consisting of the main star with a faint white dwarf companion), SS Lacertae (an eclipsing binary which stopped eclipsing), V907 Sco (an eclipsing binary
Binary_star
Blazar located in the constellation Ursa Major
the constellation Ursa Major. The object is an active galaxy and a BL Lacertae object, and is a strong source of gamma rays. It is about 397 million light-years
Markarian_421
International Astronomical Union. Archived from the original on 2020-10-11. Retrieved 10 October 2020. "National campaigns". IAU 100 Years: Under One
List_of_proper_names_of_stars
Quasar in the constellation of Virgo
of Virgo. It has a redshift of 3.207, estimating the object to be located 11.3 billion light-years away from Earth. PKS 1402+044 is classified as a broad
PKS_1402+044
BL Lacertae object located in the constellation Draco
QSO B1823+568 is a BL Lacertae object located in the northern constellation of Draco. Its redshift is (z) 0.664 and it was first discovered as an astronomical
QSO_B1823+568
BL Lac object in the constellation Draco
1ES 1959+650 is a BL Lacertae object or a BL Lac object located in the eastern constellation of Draco, about 676 million light years from Earth. It was
1ES_1959+650
Blazar in the constellation Eridanus
when observed at optical to near-infrared wavelengths. Between September 11 and 30 in 2008, the quasar brightened upon showing a flare, with increased
PKS_0208−512
Triple star system in the constellation Lacerta
16 Lacertae is a triple star system in the northern constellation of Lacerta, located about 1,580 light years from the Sun. It has the variable star designation
16_Lacertae
Blazar in the constellation Libra
Very Long Baseline Array Observations of EGRET-detected Quasars and BL Lacertae Objects: Superluminal Motion of Gamma-Ray Bright Blazars". The Astrophysical
PKS_1510−089
BL Lacertae object in the constellation Pisces
J2341+0018 also known as PKS 2338+000 and OGC 123, is a BL Lacertae object located in the constellation of Pisces. The redshift of the object is (z) 0
J2341+0018
Triple star system in the constellation Eridanus
Jeffers, S. V.; Caballero, J. A.; Quirrenbach, A.; Amado, P. J. (2025-04-11). "The CARMENES search for exoplanets around M dwarfs. Cluster analysis of
40_Eridani
Classification of stars based on spectral properties
been introduced. Example spectral standards: O7V – S Monocerotis O9V – 10 Lacertae B-type stars are very luminous and blue. Their spectra have neutral helium
Stellar_classification
BL Lac object in the constellation Draco
S5 1803+784 is a BL Lacertae object located in the far northern constellation of Draco. It has an estimated redshift (z) of 0.68 and was first discovered
S5_1803+784
Quasar in the constellation of Boötes
occurring in January 2018 lead the observers to reclassify it as a BL Lacertae object (BL Lac). However 96 days later, it has since reverted to back to
B2_1420+32
Quasar in the constellation of Pegasus
astronomical radio source in 1970 by astronomers. It is classified as a BL Lacertae object and has a flat radio spectrum thus categorizing it a flat-spectrum
CTD_135
Blazar in the constellation Virgo
(1998). "Polarization VLBI Observations of a Complete Sample of Northern BL Lacertae Objects". International Astronomical Union Colloquium. 164: 165–166. doi:10
PKS_1335−127
Constellations recognized by the International Astronomical Union
Keyser, de Houtman Indian (of unspecified type) α Indi 3.11 294 Lacerta /ləˈsɜːrtə/ Lac Lacr Lacertae 1690, Hevelius lizard Stellio 3.76 201 Leo /ˈliːoʊ/ Leo
IAU_designated_constellations
Star system in the constellation Cygnus
Cygni, α Lacertae, 4 Lacertae, π1 Cygni, HD 206267, ε Cephei, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, τ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3 Andromedae
Pi2_Cygni
Type of highly variable quasar or subtype of blazar
(January 1997). "Are the X-ray spectra of flat-spectrum radio quasars and BL Lacertae objects different?". Monthly Notices of the Royal Astronomical Society
Flat-spectrum_radio_quasar
BL Lacertae object in the constellation Hercules
BZB J1717+2931 is a BL Lacertae object located in the constellation of Hercules. The redshift of the galaxy is (z) 0.277 and it is a member of the galaxy
BZB_J1717+2931
Galaxy in the constellation Hercules
Cherenkov telescope system of HEGRA" (PDF). Astronomy and Astrophysics. 349: 11–28. arXiv:astro-ph/9903386. Bibcode:1999A&A...349...11A. Acciari, V. A.; et al
Markarian_501
spectrum of Nova Lacertae". Lick Observatory Bulletin. 194: 95. Bibcode:1911LicOB...6...95W. doi:10.5479/ADS/bib/1911LicOB.6.95W. Retrieved 11 October 2020
T._H._E._C._Espin
Genus of single-celled organisms
small animals. The most common and well-researched species is Proteromonas lacertae, which is a very common parasite found in the rectums of reptiles, mostly
Proteromonas
BL Lacertae object located in the constellation Capricornus
PKS 2155−152 is an optically violent variable BL Lacertae object located in the southern constellation of Capricornus. It has a redshift of (z) 0.672 and
PKS_2155−152
Star in the constellation Lacerta
15 Lacertae is a binary star system in the northern constellation of Lacerta, near the southeast constellation border with Andromeda. It is faintly visible
15_Lacertae
Hot, luminous star with a spectral type of A9 or earlier
O6.5I(n)fp Mu Sagittarii, B-type supergiant, spectral type B8Iab(e) 4 Lacertae, B-type supergiant, spectral type B9Iab, believed to be in a blue loop
Blue_supergiant
Compact region at a galaxy's center with abnormally high luminosity
together with nuclear and often extended radio emission. "Blazars" (BL Lacertae (BL Lac) objects and optically violent variable (OVV) quasars) are distinguished
Active_galactic_nucleus
BL Lacertae object in the constellation Canes Venatici
B2 1308+326 known as OP 313 or AU CVn, is a BL Lacertae object located in the constellation of Canes Venatici. It has a redshift of (z) 0.997 and was initially
B2_1308+326
Radio galaxy in the constellation Pisces
found to be 118.9 arcseconds. The galaxy has also been classified as a BL Lacertae object of low luminosity based on studies. There are also detections of
MS_0011.7+0837
3847/1538-3881/aaf5cb. S2CID 119044678. Nguyen, Thinh H.; Guinan, Edward F. (11 January 2022). "Stars on the Verge: Analyses of the Complex Light Variations
List_of_largest_stars
Quasar in the constellation Aquarius
to the line of sight. Very Large Array (VLA), also described it as a BL Lacertae object with a small angular size. The radio emission of the source is described
3C_446
Microtropis grandifolia var. longipetiolatus Salacia lehmbachii var. manus-lacertae Salacia lehmbachii var. pes-ranulae Salacia lehmbachii var. uregaensis
List of IUCN Red List vulnerable plants
List_of_IUCN_Red_List_vulnerable_plants
Star in the constellation Cassiopeia
Cassiopeiae, α Lacertae, 4 Lacertae, π2 Cygni, π1 Cygni, HD 206267, ε Cephei, β Lacertae, ρ Cassiopeiae, τ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3 Andromedae
Sigma_Cassiopeiae
BL Lacertae object in the constellation Draco
BZQ J1727+5510 also known as OGC 1369 and GB6 J172722+551059, is a BL Lacertae object located in the constellation of Draco. The redshift of the object
BZQ_J1727+5510
0019 ly) planet b Gliese 682 (16.3328±0.0026 ly) 2? planets: b?, c? EV Lacertae (16.4761±0.0018 ly) G 9-38 (16.800±0.011 ly) red dwarf B GJ 3379 (16.9861±0
Lists_of_stars
Blazar in the constellation Caelum
; Takalo, L.; Rekola, R.; Sillanpää, A. (2004-05-01). "Evolution of BL Lacertae host galaxies" (PDF). Astronomy & Astrophysics. 418 (3): 813–825. Bibcode:2004A&A
PKS_0426−380
Quasar in the constellation Crater
Very Long Baseline Array Observations of EGRET-detected Quasars and BL Lacertae Objects: Superluminal Motion of Gamma-Ray Bright Blazars". The Astrophysical
PKS_1127−145
Strong explosion observed on stars
of similar age to the Sun even show cyclic variations reminiscent of the 11-year solar cycle. By observing certain infrared lines of Ca II for the 34
Superflare
Zodiac constellation in the northern hemisphere
Edward Fomalont and Sergei Kopeikin in September 2002. OJ 287 is a BL Lacertae object located 3.5 billion light-years away that has produced quasi-periodic
Cancer_(constellation)
..7K. doi:10.3847/1538-4365/abd107. S2CID 227126954. Tuomi, M.; el, al. (11 June 2019). "Frequency of planets orbiting M dwarfs in the Solar neighbourhood"
List_of_nearest_stars
1365-8711.2001.04642.x. Koptelova, Ekaterina; Hwang, Chorng-Yuan (2022). "A BL Lacertae Object at a Cosmic Age of 800 Myr". The Astrophysical Journal Letters.
List_of_galaxies
Yellow hypergiant star in the constellation Cassiopeia
stars are α and 4 Lacertae, π2 and π1 Cygni, stars 5 and 6, HD 206267, 13 and ε Cephei, β Lacertae, σ, ρ, τ, and AR Cassiopeiae, 9 Lacertae, 3, 7, 8, λ, ψ
Rho_Cassiopeiae
Active galactic nucleus in the constellation Libra
AP Librae is a BL Lacertae object located at a distance of 700 million light years in the southern constellation of Libra. In the visual band it is one
AP_Librae
Genus of viruses
Barthadenovirus inornati, Yellow-browed warbler adenovirus 1 Barthadenovirus lacertae, Lizard adenovirus 2 Barthadenovirus macropodidae, Agile wallaby adenovirus
Barthadenovirus
List of galactic nuclei
Digital Sky Survey Catalogue of Bright Quasars and BL Lacertae Objects Kitt Peak Quasar List (1975) VII/11 Revised and Updated Catalog of Quasi-stellar Objects
List_of_quasars
Star in the constellation of Andromeda
α Lacertae, 4 Lacertae, π2 Cygni, π1 Cygni, HD 206267, ε Cephei, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, τ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3
Iota_Andromedae
Star in the constellation Cepheus
Cephei, α Lacertae, 4 Lacertae, π2 Cygni, π1 Cygni, HD 206267, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, τ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3 Andromedae
Epsilon_Cephei
January 2020. Miller, J. S. (December 1981), "The galaxy components of BL Lacertae objects, N systems, and quasi-stellar objects.", Publications of the Astronomical
Glossary_of_astronomy
Planetary Nebula. Has a G-type companion star. HD 49798 1,700 ± 46 1 sdO6p 10 Lacertae 1,800±103 1 O9V 4.880 FY Canis Majoris B 1,820 ± 70 2 sdO 4.8 - 6.25 Has
List_of_O-type_stars
List of largest planets by size
Eating a Planet Archived 2021-11-11 at the Wayback Machine nasa.gov. 2010-05-20. Retrieved on 2010-12-10. waspplanets (2019-11-26). "The orbit of WASP-12b
List_of_largest_exoplanets
Type of star
AAVSO Website. American Association of Variable Star Observers. Retrieved 11 May 2014. Waelkens, Christoffel (1993). "Slowly Pulsating B Stars". In J.
Slowly_pulsating_B-type_star
Active galaxy in the constellation Draco
Bibcode:1968ApJ...151L..79U. doi:10.1086/180147. Wikisky image of 3C 371 New X-ray Jet in Nearby BL Lacertae Object 3C371 (Brandeis University Radio Astronomy)
3C_371
Star in the constellation Cygnus
asterism consisting of Pi1 Cygni, Alpha Lacertae, 4 Lacertae, Pi2 Cygni, HD 206267, Epsilon Cephei, Beta Lacertae, Sigma Cassiopeiae, Rho Cassiopeiae, Tau
Pi1_Cygni
Constellation in the southern celestial hemisphere
(though still too faint to see with the naked eye); and PKS 2155-304, a BL Lacertae object that is one of the optically brightest blazars in the sky. Pisces
Piscis_Austrinus
to the thesis by Ella Faye Wallace. Latin: "sicut salamandrae, animal lacertae figura, stellatum, numquam nisi magnis imbribus proveniens et serenitate
Salamanders_in_folklore
Brightest star in the constellation Aquila
a type-A main-sequence star with about 1.8 times the mass of the Sun and 11 times its luminosity. It is thought to be a young star close to the zero age
Altair
Quasar in the constellation Centaurus
Fried, J. W.; Kuehr, H. (1989-10-01). "Optical spectroscopy of 1 Jy BL Lacertae objects and flat spectrum radio sources". Astronomy and Astrophysics Supplement
PKS_1144−379
Type-cD galaxy in the constellation Boötes
7 × 1044 erg s-1. Evidence also suggested that the galaxy is also a BL Lacertae candidate. The molecular line luminosity is 1.1 × 1040 erg s-1 while the
NVSS_J141343+433945
Type of starburst galaxy
Universe" (Langeroodi et al. 2023), BBs and GPs are compared to a sample of 11 galaxies from JWST that are at redshift z ≈ 8. Using NIRCam and NIRSpec spectroscopy
Blueberry_galaxy
spectral line widths BLLAC – (celestial object) BL LACertae, a class of active galaxies for which BL Lacertae is the archetypal object also BLL BLAST – (telescope)
List_of_astronomy_acronyms
Quasar in the constellation of Cetus
PKS 0215+015 is a BL Lacertae object (BL Lac) located in the constellation of Cetus. It has a high redshift of (z) 1.72 and was first discovered in 1971
PKS_0215+015
Chemical compound
Cloud. Absorption lines for CF+ have been observed in the direction of BL Lacertae, 3C 111 and Westerhout 49, where the Milky Way interstellar medium is backlit
Fluoromethylidynium
Radio galaxy in the constellation Ursa Major
gigahertz peaked radio spectrum (GPS). It has also been classified as a BL Lacertae object candidate. B2 1144+35 is categorized as a giant low-power radio
B2_1144+35
Genus of protists in the apicomplex phylum
have been identified. These include one that contains S. dispersa, S. lacertae, S. mucosa, S. muris, S. neurona, and S. rodentifelis. Frenkelia also groups
Sarcocystis
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