How do you use Arcsecond in a sentence? See 10+ example sentences showing how this word appears in different contexts, including synonyms like second, plus the exact meaning.
Arcsecond meaning
A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.
Synonyms of Arcsecond
Using Arcsecond
- The main meaning on this page is: A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.
- Useful related words include: second, angular unit.
- In the example corpus, arcsecond often appears in combinations such as: sq arcsecond, arcsecond is, one arcsecond.
Context around Arcsecond
- Average sentence length in these examples: 24 words
- Position in the sentence: 2 start, 3 middle, 5 end
- Sentence types: 10 statements, 0 questions, 0 exclamations
Corpus analysis for Arcsecond
- In this selection, "arcsecond" usually appears near the end of the sentence. The average example has 24 words, and this corpus slice is mostly made up of statements.
- Around the word, arc, square, 001, arcsec and depending stand out and add context to how "arcsecond" is used.
- Recognizable usage signals include 0 001 arcsecond or better and 0 1 arcsecond. That gives this page its own corpus information beyond isolated example sentences.
- By corpus frequency, "arcsecond" sits close to words such as aadi, aayush and abbottabad, which helps place it inside the broader word index.
Example types with arcsecond
The same corpus examples are grouped by length and sentence type, making it easier to see the contexts in which the word appears:
These small angles may also be written in milliarcseconds (mas), or thousandths of an arcsecond. (15 words)
The dwarf planet Pluto has proven difficult to resolve because its angular diameter is about 0.1 arcsecond. (18 words)
The notation using the "arc-" prefix avoids such confusion, though "arcsec" for arcsecant can be confused with " arcsecond ". (18 words)
The amount of airglow and zodiacal light is quite variable (depending, amongst other things on sunspot activity and the Solar cycle ) but given optimal conditions the darkest possible sky has a brightness of about 22 magnitude/square arcsecond. (38 words)
The angle SDE is one arcsecond ( 1 3600 of a degree) so by definition D is a point in space at a distance of one parsec from the Sun. (29 words)
If a full moon is present, the sky brightness increases to about 18 magnitude/sq. arcsecond depending on local atmospheric transparency, 40 times brighter than the darkest sky. (28 words)
Example sentences (10)
A second of arc, arcsecond (arcsec), or arc second is of an arcminute, of a degree, of a turn, and (about ) of a radian.
If a full moon is present, the sky brightness increases to about 18 magnitude/sq. arcsecond depending on local atmospheric transparency, 40 times brighter than the darkest sky.
In densely populated areas a sky brightness of 17 magnitude/sq. arcsecond is not uncommon, or as much as 100 times brighter than is natural.
It is the distance at which the mean radius of the Earth's orbit would subtend an angle of one arcsecond.
The amount of airglow and zodiacal light is quite variable (depending, amongst other things on sunspot activity and the Solar cycle ) but given optimal conditions the darkest possible sky has a brightness of about 22 magnitude/square arcsecond.
The angle SDE is one arcsecond ( 1 3600 of a degree) so by definition D is a point in space at a distance of one parsec from the Sun.
The dwarf planet Pluto has proven difficult to resolve because its angular diameter is about 0.1 arcsecond.
The notation using the "arc-" prefix avoids such confusion, though "arcsec" for arcsecant can be confused with " arcsecond ".
The positions of most are known to 0.001 arcsecond or better, which is orders of magnitude more precise than the best optical measurements.
These small angles may also be written in milliarcseconds (mas), or thousandths of an arcsecond.
Common combinations with arcsecond
These word pairs occur most frequently in English texts:
- sq arcsecond 2×
- arcsecond is 2×
- one arcsecond 2×