SP-4012 NASA HISTORICAL DATA BOOK: VOLUME III
PROGRAMS AND PROJECTS 1969-1978

 

Table 3-58. Explorer 44 Characteristics

 

Also called:

Solrad 10 or Solar Radiation C Explorer

Date of launch (range):

July 8, 1971 (Wallops)

Launch vehicle:

Scout

Shape:

cylindrical (12-sided)

Weight (kg):

115

Dimensions (m):

0.76, diameter

0.58, height

Power source:

solar panels plus NiCd battery

Prime contractor:

in-house, Naval Research Laboratory

Date of reentry:

Dec. 15, 1979

Responsible NASA center:

Wallops Station, responsible for launch vehicle, technical support, and tracking and data acquisition.

Project coordinator:

W. H. Lee

Objectives:

To monitor the solar flux in a number of wavelength bands of interest to solar and aeronomy research; a joint project with the Naval Research Laboratory, with NRL providing the spacecraft and experiments.

Experiments:

.

 

solar x-ray monitor, 2

solar electron temperature

solar Lyman Alpha monitor

solar ultraviolet monitor

solar ultraviolet continuum flash

background x-ray level

solar hard x-ray continuum

solar Lyman Alpha bursts

solar hard x-ray monitor

solar excitation of F-layer

skin anti-solar temperature

stellar x-ray variations

Results:

Successful.

 

Reference: MOR S-858-71-03, June 21, 1971.


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