absolute magnitude

美 [ˌæbsəluːt ˈmæɡnɪtuːd]英 [ˌæbsəluːt ˈmæɡnɪtjuːd]
  • n.绝对星等(天体光度的一种量度)
absolute magnitudeabsolute magnitude

noun

U绝对星等(天体光度的一种量度)
a measure of how bright a star, planet, etc. is, as it would be seen at a standard distance from the earth

compare apparent magnitude

noun

1
(astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth

数据来源:WordNet

  1. Absolute Magnitude and the Kinematic Parameters of RR Lyrae Stars

    天琴RR型变星的绝对星等与运动学参数

  2. The Determination of Distance of Galactic Globular Clusters and Estimation of the Absolute Magnitude of Cluster Horizontal Branch

    球状星团的距离测定与水平支绝对星等的估值

  3. The most common exceptions to the use of the absolute magnitude convention are temperature and LOGIC levels .

    绝对参量公约中最常见的例外就是温度和逻辑电平。

  4. Problems of urbanization are widely noted and studied , not only because of their absolute magnitude but also because of their visibility .

    城市化的问题正在受到广泛的注意和研究,不仅因为这些问题十分重要,而且非常突出。

  5. The zero point of the period - luminosity relation of Cepheids and the absolute magnitude of the RR Lyrae variables

    造父变星周光关系的零点和天琴座RR型星的绝对星等

  6. You can see that in many Asian countries where rate of urbanization and the absolute magnitude of populations means that the sewerage systems , the energy systems just can 't cope with the pressure .

    你可以看到,在很多亚洲国家,都市化比率和庞大的人口基数让污物处理系统和能源系统不堪负荷。

  7. On the basis of equivalent heat-drop theory under variation of heat quantity , a mathematical description concerning heat mass energy entering into or leaving from the thermodynamic system as absolute magnitude was deduced .

    在变热量等效热降法理论的基础上,推导出热质能量以绝对量的形式进、出热力系统的数学描述&纯热量法。

  8. It discusses the physical basis of the magnitudes and the approaches to the unification of magnitudes , and suggests that to establish an absolute magnitude scale is the cardinal way to solve the problem of confusion of magnitudes .

    讨论了震级的物理基础及其统一的途径,并认为建立一个震级的绝对标度是解决震级混乱状况的根本途径;

  9. The determinations of the absolute magnitude and the kinematic parameters of RR Lyrae stars , their effects on the estimations of the distances and the ages of the globular clusters , and the comparisons between the results and ones from other indicators of distances are reviewed .

    对天琴RR型变星绝对星等与运动学参数的测定及其对确定距离、球状星四年龄估计的影响,并对它们和其他距离指示器求得的结果的比较作了评述。

  10. He said his numbers may have been ' polluted ' by large volumes of distressed sales in the past , which tend to exaggerate the current increases . Yet he is confident that he has the direction of the trend in U.S. home prices right , if not its absolute magnitude or speed .

    他说,他的数据可能受到过去大量降价急售的房产“污染”,这会放大当前的涨幅。但他坚信自己对美国住房价格走向的把握是正确的,虽然在绝对数量或速度上会有一定出入。

  11. Optical gray scalae image matching based on absolute difference magnitude

    基于绝对差度量的灰阶图像光学匹配运算

  12. The Absolute K Magnitude and the Distance of OH / IR Stars

    OH/IR星的绝对K星等与距离

  13. Effect of Opacity on the Maximum Absolute Bolometric Magnitude of Ia Supernova

    不透明度对Ia超新星极大光度的影响

  14. 3 ) The absolute intensities of the emission bands have been obtained from the absolute magnitude M_B and the relative intensities of the emission bands for Nova ( Table 4 ) .

    由新星绝对星等MB和发射带的相对强度求得了谱带的绝对强度(表4)。