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EW LACERTAE

EW Lacertae

Variable star in the constellation Lacerta

EW Lacertae, also known as HD 217050 and HR 8731, is a star about 940 light years from the Earth, in the constellation Lacerta. It is a 5th magnitude

EW Lacertae

EW_Lacertae

Superflare

Strong explosion observed on stars

luminosity class. V (mag) means the normal apparent visual magnitude of the star. EW(He) is the equivalent width of the 5875.6Å He I D3 line seen in emission.

Superflare

Messier 87

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

Messier_87

List of stars in Lacerta

Cep and 53 Per variable, Vmax = 5.16m, Vmin = 5.28m, P = 0.1930924 d EW Lac EW 217050 113327 22h 57m 04.49s +48° 41′ 02.7″ 5.34 −2.30 1098 B4IIIpe γ

List of stars in Lacerta

List_of_stars_in_Lacerta

Blueberry galaxy

Type of starburst galaxy

trend in O32 and EW(Hβ) from z ~ 0 to z ~ 5, where higher redshift galaxies show increased O32 and EW, with possibly higher O32 at fixed EW." In "X-ray observations

Blueberry galaxy

Blueberry_galaxy

List of IUCN Red List vulnerable plants

Extinct in the wild (EW): 46 species Critically endangered (CR): 6,445 species Endangered (EN): 12,707 species Vulnerable (VU): 10,596 species

List of IUCN Red List vulnerable plants

List_of_IUCN_Red_List_vulnerable_plants

PKS 0805−07

Quasar in the constellation of Monoceros

0805−07 exhibits lower electron energy (γ p ≲ 1.6 × 103) compared to BL Lacertae objects (BL Lacs) with a separation of Γ = -0.127 log ly + 8.18 in γ-ray

PKS 0805−07

PKS_0805−07

List of astronomy acronyms

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

List_of_astronomy_acronyms