• DOI:10.1086/120099
• Corpus ID: 122095054

ANNOUNCEMENT OF THE DISCOVERY OF THE ROTATION PERIOD OF MERCURY [BY PROFESSOR SCHIAPARELLI]

@article{Holden1890ANNOUNCEMENTOT,
  title={ANNOUNCEMENT OF THE DISCOVERY OF THE ROTATION PERIOD OF MERCURY [BY PROFESSOR SCHIAPARELLI]},
  author={Edward Singleton Holden},
  journal={Publications of the Astronomical Society of the Pacific},
  year={1890},
  volume={2},
  pages={79 - 79}
}

• E. Holden
• Published 1 March 1890
• Physics, Geology
• Publications of the Astronomical Society of the Pacific

Mass: f8l0f the earth’s, t FÏ.TÏÏ J Revolution of perigee (mean): 3232.575 days; 8.8505 years. Advance of perigee each year (mean): 40 40' 31". 1. Revolution of nodes (mean): 6793.391 days; 18.5997 years. Regression of nodes each year (mean): 19 21' 18".3. Maximum geocentric libration in longitude: 7 53' 5i".o. Maximum geocentric libration in latitude: 6° 50' 45".o. Maximum parallactic libration; I 1' 35".o. Maximum geocentric libration : 10 25' 22".o. Maximum libration (total): II 25' 30". Surface of the moon never seen: .4100. Surface of the moon that is visible at one time or another : . 5900. Angle subtended by one degree of selenographical latitude and longitude at the centre of the moon’s disc, when at its mean distance: 16".566. Length in miles of the same : 18.871. Selenographical arc at centre of the moon’s surface, subtending an angle of one second of arc: 3' 37".31. Miles at the centre of the moon’s disc subtending an angle of one second of arc: 1.139.