S Monocerotis

E554485

S Monocerotis is a variable star system located in the constellation Monoceros, known for its brightness changes over time.

All labels observed (2)

Label Occurrences
S Monocerotis canonical 1
V640 Monocerotis 1

How this entity was disambiguated

Statements (39)

Predicate Object
instanceOf stellar system ⓘ
variable star system ⓘ
hasAlternativeName BD−02 1609 ⓘ
GCVS S Mon ⓘ
HD 49331 ⓘ
HIP 32617 ⓘ
HR 2505 ⓘ
SAO 132020 ⓘ
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 ⓘ
General Catalogue of Variable Stars ⓘ
Henry Draper Catalogue ⓘ
isInMilkyWayGalaxy true ⓘ
isVisibleToNakedEye true ⓘ
locatedInConstellation Monoceros ⓘ

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Monoceros → contains → S Monocerotis ⓘ
Plaskett’s Star → hasAlternativeName → V640 Monocerotis ⓘ
linked to: S Monocerotis