Theta Persei (Theta Per, θ Persei, θ Per) is a star system 37 light years away from Earth, in the constellation Perseus. It is one of the closest naked-eye...

\cos \theta (1-\beta \cos \theta )=(\beta \sin \theta )^{2}\Rightarrow \beta \cos \theta -\beta ^{2}\cos ^{2}\theta =\beta ^{2}\sin ^{2}\theta \Rightarrow...

Leonis Minoris 36.5 ± 0.3 2 G8V + M5V 4.80/12.50 WISE 0325+0831 36.5 1 T7 Theta Persei 36.6 ± 0.3 2 F7V + M1V 4.12/10 HD 115404 36.6 ± 0.4 2 K2V + M1V 6.61...

Virginis (Zavijava) 35.65±0.09 F9V 1.681 ± 0.008 1.413 ± 0.061 3.604 3.41 Theta Persei A 36.29±0.09 F8V 1.319 ± 0.011 1.138 ± 0.01 4.11 3.88 Gamma Serpentis...

ISBN 0939923785 Lacaille's Theta Telescopii (θ Tel, θ Telescopii) was reassigned to Ophiuchus – Star Tales – Telescopium Bayer's Chi Persei is NGC 884, the eastern...

association and Theta Carinae, which is the brightest star of IC 2602, might also belong to the Lower Centaurus–Crux subgroup. Epsilon Persei does not belong...

1.79 Alpha Persei Star 1.79 Dubhe Binary star system 1.84 Delta Canis Majoris Star 1.85 Epsilon Sagittarii Binary star system 1.85 Theta Scorpii Binary...

Cassiopeia with star clusters Cassiopeia with indication of χ Persei (NGC 884) and h Persei (NGC 869) as well as the star clusters NGC 654, NGC 663, NGC...

the Hyades, the Pleiades also in the Taurus constellation and the Alpha Persei Cluster (with Alcyone and Mirfak as the brightest stars). The northern Spring...

position. Such stars include Omicron Andromedae, Omicron Ceti, and Omicron Persei. In Claudius Ptolemy's (c. 100–170) Almagest, tables of sexagesimal numbers...

Milky Way, Carina Nebula, Hyades, Pleiades and the Alpha Persei Cluster (with Eta Carinae, Theta Tauri, Alcyone and Mirfak as the brightest stars of the...

and discovered two fairly well known novas: Nova Aurigae 1892 and Nova Persei 1901. The former marked the first time a nova's spectrum had been photographed...

)={\frac {h\sin(\theta )}{hv/c+h\cos(\theta )}}={\frac {\sin(\theta )}{v/c+\cos(\theta )}}} . In the case of θ = 90 ∘ {\displaystyle \theta =90^{\circ }}...

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...

Leonis Algol (Ra'as) al-Ghūl (Head of) the Ghoul رأس الغول رَأسَ الغُول Beta Persei, the "Demon Star" Algorab al-Ghurāb the Crow الغراب الغُرَاب Delta Corvi...

GK Persei (Nova Persei 1901), which showed Wolf–Rayet features in its spectrum...

Open Cluster - Cassiopeia 6.4 C14 NGC 869 & NGC 884 Double Cluster, h & χ Persei Open Cluster 7.3 Perseus 4 C15 NGC 6826 Blinking Planetary Planetary Nebula...

69.5 ± 1.5 1 K1V 6.27 has 1 known planet Gliese 122 69.5 ± 2.1 1 MV 50 Persei 69.6 ± 1.2 3 F7V 5.52 HR 5070 69.6 ± 0.8 1 GV GJ 3917 69.6 ± 1.6 1 GV Iota...

93% likelihood. This group may be kinematically associated with the alpha Persei Cluster, indicating that the Cas-Tau group, including Epsilon Cassiopeiae...

Corpses Pi Persei Perseus A single-star asterism in the Stomach mansion. 積水 Jī Shuǐ Stored Water Lambda Persei 天讒 Tiān Chán Celestial Slander 42 Persei 北落師門...

cluster Andromeda 5.7 Mel 13 NGC 869 h Persei of Double Cluster Open cluster Perseus 3.7 Mel 14 NGC 884 χ Persei of Double Cluster Open cluster Perseus...

cluster Andromeda 5.7 Cr 24 NGC 869 h Persei of Double cluster Open cluster Perseus 5.3 Cr 25 NGC 884 χ Persei of Double cluster Open cluster Perseus...