Pi Andromedae (Pi And, π Andromedae, π And) is the Bayer designation for a binary star system in the northern constellation of Andromeda. With an apparent...
7 KB (486 words) - 06:12, 21 August 2024
Its brightest star, Alpha Andromedae, is a binary star that has also been counted as a part of Pegasus, while Gamma Andromedae is a colorful binary and...
49 KB (4,911 words) - 17:57, 6 July 2024
Teff by the Stefan–Boltzmann law: L = 4 π σ R 2 T eff 4 {\displaystyle L=4\pi \sigma R^{2}T_{\text{eff}}^{4}} where σ is the Stefan–Boltzmann constant....
61 KB (6,826 words) - 12:04, 23 September 2024
Pi1 Cygni (redirect from Pi 1 Cygni)
Cassiopeiae, 9 Lacertae, 3 Andromedae, 7 Andromedae, 8 Andromedae, Lambda Andromedae, Kappa Andromedae, Psi Andromedae and Iota Andromedae. Consequently, the...
11 KB (872 words) - 01:28, 23 August 2024
Alpha (Markab), Beta (Scheat), and Gamma (Algenib), together with Alpha Andromedae (Alpheratz) form the large asterism known as the Square of Pegasus. Twelve...
37 KB (3,919 words) - 01:13, 17 July 2024
173 1 K5V Has 3 exoplanets. Theta Andromedae 173 ± 4 1 A2 V 4.61 HD 191939 174.4 ± 0.1 1 G9V 8.971 Has 6 exoplanets. Pi Cassiopeiae 175 ± 3 2 A5V + A5V...
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"the second of the blessed feet" γ "Algenib" Pegasi and α "Alpheratz" Andromedae Lord: Shani (Saturn) Symbol : Twins, back legs of funeral cot, snake in...
31 KB (274 words) - 03:05, 15 September 2024
irregular function of both magnitude and position. Such stars include Omicron Andromedae, Omicron Ceti, and Omicron Persei. In Claudius Ptolemy's (c. 100–170)...
15 KB (1,616 words) - 16:05, 1 October 2024
Doradus Binary star system 3.28 Delta Aquarii Star 3.28 Pi Hydrae Star 3.28 Delta Andromedae Binary star system 3.29 2.97 Mu Leporis Star 3.29 Iota Draconis...
37 KB (1,546 words) - 21:08, 17 March 2024
Pisces 26 Uttara Bhādrapada "The Latter Blessed Feet" γ Pegasi and α Andromedae Astrological leader: Shani (Saturn) Symbol: Twins, back legs of funeral...
29 KB (1,386 words) - 18:26, 15 September 2024
more than three times that of a great white shark. 29 February – Raspberry Pi single-board computer is commercially launched through U.K. online retailers...
103 KB (10,240 words) - 20:17, 25 August 2024
(2001). "Modeling the Interstellar Medium-Stellar Wind Interactions of λ Andromedae and ε Indi". The Astrophysical Journal. 551 (1): 495–506. Bibcode:2001ApJ...
37 KB (3,823 words) - 14:48, 29 September 2024
spectrograph made in 1895 to Paul W. Merrill and noting its similarity to R Andromedae. Merrill selected these two stars along with R Cygni to be the three prototypes...
11 KB (1,087 words) - 15:11, 18 July 2024
Uemura †Salix alaskana †Salix albiformis †Salix amygdalifolia †Salix andromedae †Salix angusta †Salix angustifolia †Salix angustissima †Salix apollinis...
36 KB (2,753 words) - 23:34, 12 August 2023
Ursae Minoris b 14.74 516.21997 1.53 radial vel. 2009 410.06 2.78 4213 14 Andromedae b 4.8 185.84 0.83 radial vel. 2008 246.55 2.2 4813 Proper name Spe 14...
54 KB (1,040 words) - 03:31, 28 July 2024
inclination of their orbit is not known. Examples include HD 114762 b (>11.68 MJ), Pi Mensae b (>10.312 MJ), and NGC 2423-3 b (>10.6 MJ). A complete list of more...
109 KB (3,653 words) - 16:05, 8 September 2024
line. 54 Piscium (HD 3651) HD 168443 Gliese 229 A Epsilon Indi A HD 82943 Pi Mensae HD 38529 HD 245134 Lists of exoplanets Methods of detecting exoplanets...
263 KB (8,775 words) - 15:54, 5 October 2024
R_{\odot }} . From : R = L 4 π σ T e 4 {\displaystyle R={\sqrt {\frac {L}{4\pi \sigma {T_{e}}^{4}}}}} , where L {\displaystyle L} is the luminosity, R {\displaystyle...
149 KB (13,132 words) - 13:55, 8 October 2024
Western constellation Comments 軍南門 Jūn Nán Mén Southern Military Gate Phi Andromedae Andromeda A single-star asterism within the Legs mansion. 玄戈 Xuán Gē Sombre...
187 KB (2,284 words) - 07:36, 12 October 2024
ZAND – (celestial object) Z ANDromedae, a class of eruptive variable stars named after the binary star system Z Andromedae, the archetype for the class...
139 KB (13,307 words) - 15:40, 17 September 2024
Ridgway, S. T. (2000), "Identification of SH v=1 Ro-vibrational Lines in R Andromedae", The Astrophysical Journal, 528 (1): L33–L36, arXiv:astro-ph/9911080...
141 KB (9,341 words) - 07:42, 18 July 2024
612 0.5118 2012 HD 187123 c 1.989 3810.055 4.861 0.2523 1998 Upsilon Andromedae e 1.059 3848.859 5.204 0.0054 2010 HD 7449 c 2.002 4046.163 5.049 0.5344...
36 KB (286 words) - 20:08, 22 December 2023