arcsecond
Angle unit equal to 1/60² of a degree
Also known as arcsec · arc-sec · ″ · second · second of arc · arc second
- Instance of
- Part of
Overview
All data
40 statements · 15% with external sources · numbers in brackets are citations
- Conversion to standard unit
- 0.01667 arcminute defining formula:
1^{\prime\prime} = \frac{1}{60} \cdot 1^\prime = 0.01(6) ^\prime - 0.0002778 degree defining formula:
1^{\prime\prime}=\frac{1^\circ}{60 \cdot 60} = \frac{1^\circ}{3600} = 0.0002(6)^\circ - 1,000 milliarcsecond
- 0.06667 second of right ascension defining formula:
\frac{1}{15} = 0.0(6)
- 0.01667 arcminute defining formula:
- Conversion to SI unit
- 4.848e-6 radian defining formula:
\frac{\pi}{180 \cdot 60 \cdot 60} = \frac{\pi}{648000}
- 4.848e-6 radian defining formula:
- Unit symbol
- ″
- "
1
On other databases
23 identifiers linking arcsecond across the web's reference databases
- Arabic Ontology lexical concept ID151072730
- De Agostini IDarcsec
- Encyclopedia of Mathematics article IDSecond
- Google Knowledge Graph ID/g/120rrqkm
- Great Norwegian Encyclopedia IDbuesekund
- Interlingual Index IDi108209
- IUPAC Gold Book IDS05514
- KBpedia IDArcSecond
- Lex IDbuesekund
- MathWorld IDArcSecond
- Museum-digital tag ID88521
- NCI Thesaurus IDC68861
- Ontology of units of Measure 2.0 unit IDsecond-Angle
- ProofWiki IDDefinition:Angle/Unit/Second
- QUDT dimension IDA0E0L0I0M0H0T0D1
- QUDT unit IDARCSEC
- ScienceDirect topic IDengineering/second-angle
- UCUM code''
- UMLS CUIC2348168
- UN/CEFACT Common CodeD62
- Wolfram Language unit code"Arcseconds"
- WordNet 3.1 Synset ID13632638-n
- Wurvoc.org measure IDsecond-plane_angle