S Monocerotis
E554485
S Monocerotis is a variable star system located in the constellation Monoceros, known for its brightness changes over time.
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
stellar system
ⓘ
variable star system ⓘ |
| hasAlternativeName |
BD−02 1609
NERFINISHED
ⓘ
GCVS S Mon NERFINISHED ⓘ HD 49331 NERFINISHED ⓘ HIP 32617 NERFINISHED ⓘ HR 2505 NERFINISHED ⓘ SAO 132020 NERFINISHED ⓘ |
| hasAngularSeparationFromOrion | near the border with Orion ⓘ |
| hasApparentMagnitudeV | approximately 4.0 to 4.7 ⓘ |
| hasBrightnessVariation | changes brightness over time ⓘ |
| hasColorIndexBMinusV | approximately +1.6 ⓘ |
| hasDeclination | −02° (approximate) ⓘ |
| hasDiscoveryStatus | known variable star ⓘ |
| hasDistanceFromEarth | approximately 1200 light-years ⓘ |
| hasDistanceFromEarthParsec | approximately 370 parsecs ⓘ |
| hasEffectiveTemperature | approximately 3500 K ⓘ |
| hasEquatorialCoordinateSystem | J2000 ⓘ |
| hasLuminosityClass | giant ⓘ |
| hasMinimumBrightness | about magnitude 4.7 ⓘ |
| hasObservationMethod |
photometry
ⓘ
spectroscopy ⓘ |
| hasParallax | approximately 2.7 milliarcseconds ⓘ |
| hasPeakBrightness | about magnitude 4.0 ⓘ |
| hasPhotometricBand | V band ⓘ |
| hasRadialVelocity | approximately +22 km/s ⓘ |
| hasRightAscension | 06h 53m (approximate) ⓘ |
| hasSpectralType | M-type giant ⓘ |
| hasStellarClassification | M-type semiregular variable ⓘ |
| hasStellarPopulation | late-type giant star ⓘ |
| hasVariabilityPeriod |
approximately 270 days
ⓘ
approximately 570 days ⓘ |
| hasVariableType | semiregular variable star ⓘ |
| isCataloguedIn |
Bright Star Catalogue
NERFINISHED
ⓘ
General Catalogue of Variable Stars NERFINISHED ⓘ Henry Draper Catalogue NERFINISHED ⓘ |
| isInMilkyWayGalaxy | true ⓘ |
| isVisibleToNakedEye | true ⓘ |
| locatedInConstellation | Monoceros NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.