An Optical Periodograph

An Optical Periodograph

Bibliographic Details
Main Author:	Douglass, A.E.
Language:	en_US
Published:	1915
Subjects:	Douglass astronomy dendrochronology sun-spot sunspot sun spot periodogram
Online Access:	http://hdl.handle.net/10150/200060

Similar Items

A Photographic Periodogram of the Sun-Spot Numbers
by: Douglass, A.E.
Published: (1914)

The Callendar Sunshine Recorder and Some of the World-Wide Problems to Which This Instrument Can Be Applied
by: Douglass, A.E.
Published: (1916)

Active Days around Solar Minimum and Solar Cycle Parameter
by: Heon-Young Chang
Published: (2021-03-01)

Recurrence quantification analysis of two solar cycle indices
by: Stangalini Marco, et al.
Published: (2017-01-01)

The Extended Solar Cycle: Muddying the Waters of Solar/Stellar Dynamo Modeling or Providing Crucial Observational Constraints?
by: Abhishek K. Srivastava, et al.
Published: (2018-11-01)

Relative Sunspot Number Observed from 2002 to 2011 at ButterStar Observatory
by: Sung-Jin Oh, et al.
Published: (2012-06-01)

Alternating Sunspot Area and Hilbert Transform Analysis
by: Bang-Yeop Kim, et al.
Published: (2011-12-01)

Does Correction Factor Vary with Solar Cycle?
by: Heon-Young Chang, et al.
Published: (2012-06-01)

Latitudinal Distribution of Sunspots Revisited
by: Il-Hyun Cho, et al.
Published: (2011-03-01)

Short Periodicities in Latitudinal Variation of Sunspots
by: Bang-Yeop Kim, et al.
Published: (2011-06-01)

Origin of solar surface activity and sunspots
by: JABBARI, SARAH
Published: (2014)

The Astronomer's Globe
by: Douglass, A.E.
Published: (1897)

An Ascent of Popocatepetl
by: Douglass, A.E.
Published: (1898)

The Illusions of Vision and the Canals of Mars
by: Douglass, A.E.
Published: (1907)

An Automatic Optical Photograph, Abstract
by: Douglass, A.E.
Published: (1919)

Temporal variations of different solar activity indices through the solar cycles 21-23
by: Gäoker Ü.D., et al.
Published: (2017-01-01)

To the problem of temporal changes of magnetic fields in small-scale magnetic fluxtubes during 11-years cycle of solar activity
by: V. G. Lozitsky
Published: (2013-10-01)

VARIATION IN NORTH-SOUTH ASYMMETRY OF SUN SPOT AREA
by: Heon-Young Chang
Published: (2007-06-01)

A NEW METHOD FOR NORTH-SOUTH ASYMMETRY OF SUN SPOT AREA ANALYSIS
by: Heon-Young Chang
Published: (2007-12-01)

Maximum Sunspot Numbers and Active Days
by: Heon-Young Chang
Published: (2013-09-01)

Change of Sunspot Groups Observed from 2002 to 2011 at ButterStar Observatory
by: Sung-Jin Oh, et al.
Published: (2012-09-01)

Statistics of sunspot group clusters
by: Getko Ryszarda
Published: (2013-03-01)

Recent Advances in Solar Physics at VIRAC: Analysis of Solar Active Regions in Microwaves
by: Bezrukovs D.
Published: (2011-06-01)

Deciphering Solar Magnetic Activity: Spotting Solar Cycle 25
by: Scott W. McIntosh, et al.
Published: (2017-06-01)

Gegenschein Observations
by: Douglass, A.E.
Published: (1894)

The Markings on Venus
by: Douglass, A.E.
Published: (1898)

A Combination Telescope and Dome
by: Douglass, A.E.
Published: (1895)

University of Arizona Eclipse Expedition
by: Douglass, A.E.
Published: (1923)

Modélisation hybride du cycle d’activité solaire : évolution couplée du flux magnétique photosphérique et de la dynamo interne
by: St-Laurent-Lemerle, Alexandre
Published: (2018)

The Polar Cap of Mars
by: Douglass, A.E., et al.
Published: (1894)

Present Rotation Period of the First Satellite of Jupiter and Its Change in Form and Period Since 1892
by: Douglass, A.E.
Published: (1898)

Atmosphere, Telescope and Observer
by: Douglass, A.E.
Published: (1897)

Drawings of a Comet
by: Douglass, A.E.
Published: (1910)

The Steward Observatory of the University of Arizona
by: Douglass, A.E.
Published: (1918)

Mars.
by: Douglass, A.E.
Published: (1899)

Images and Spectra of the 2017 Total Solar Eclipse Corona From Our Oregon Site
by: Jay M. Pasachoff, et al.
Published: (2018-10-01)

Latitudinal Distribution of Sunspot and North-South Asymmetry Revisited
by: Heon-Young Chang
Published: (2018-06-01)

The Lowell Observatory and Its Work
by: Douglass, A.E.
Published: (1895)

Projections on the Terminator of Mars and Martian Meteorology
by: Douglass, A.E.
Published: (1896)

A New Almucantar
by: Douglass, A.E.
Published: (1903)