Basic Stuff Type of Star DA2 Age 228 Million Years Character Stuff Gender Female Friends Sirius A,Van Maanen 2,Psi Persei,Procyon B Enemies Aldebaran,Arcturus,Altais Bio Sirius B is a hyper and friendly star who lives being with other stars, and she loves being withSirius Aand promises to...
Sirius (or Sirius A) is amain-sequence starof spectral type early A. Sirius B is one of the largest known white dwarf stars and is 10,000 times dimmer than Sirius. It’s so dim that astronomers couldn’t estimate its mass until 2005 by using data from theHubble Space Telescope. The m...
Based on the spectral type (DA2), Sirius B's colour iswhite, similar to our star. It is only the atmosphere that causes it to appearyellow. Sirius B's effective temperature is 25,000 Kelvin, which is hotter than the Sun's effective temperature, which is 5,777 Kelvin. The uncertainty ...
The two stars in the Sirius binary system orbit each other with an average distance of 19.8 AU (around the distance ofUranusfrom the Sun), which takes around 50 years to complete. Sirius A is a star of spectral type A1V. Sirius B is awhite dwarfstar, which was once a more massive ...
Type of object Binary star Magnitude Apparent: -1.46(star A)/8.30(star B)Absolute: 1.42(star A)/11.18(star B) Astrometry Distance from Earth 8.6 ly Radial velocity −7.6 km/s Proper motion RA: −546.05 mas/yrDec.: −1223.14 mas/yr Parallax 379.21 ± 1.58 mas Sirius, al...
“exactly the name for Sirius we should expect to find” German Orientalist Peter Jensen (1861-1936) has Kakkab lik-ku, the Star of the Dog, revived in Homer’s kuon; and it perhaps was the Assyrian Kal-bu Sa-mas, the Dog of the Sun; and the Akkadian Mul-lik-ud, the Star Dog ...
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Sirius is actually a binary star system, consisting of a white main sequence star called Sirius A (spectral type A1V), and a faint white dwarf companion (spectral type DA2), termed Sirius B. The distance separating Sirius A from its companion varies between 8.1 and 31.5 Astronomical Units....
结果1 题目The North Star is also known as ___. A. Sirius B. Polaris C. Proxima Centauri D. Betelgeuse 相关知识点: 试题来源: 解析 B。北极星也被称为 Polaris。选项 A 天狼星;选项 C 比邻星;选项 D 参宿四都不是北极星。反馈 收藏 ...
The Motion of Sirius in the Diagonal Star TablesMahieu, BiekeStudien zur Altgyptischen Kultur (SAK)