GYRSAMMGYulaSolarMagne.cAc.vityMonitorSolarTelescope

Framework

Ø Plas3csØ Designandcrea3onofprin3ngmouldsforplas3csØ Metalworks

High–endproducts:Ø telescopemountsØ GoTosystemsØ supportsandaccessoriesØ MerlinoPortableRemoteObservatory

Mr.LucianoDalSasso

Createsbrandforhigh-endastronomy

ItalianNa3onalIns3tuteforAstrophysics

–RomeAstronomical

Observatory

Scien3ficcounselorfortheproject:

Ø soOwaredevelopmentofMOFpart;Ø MOFdevelopment;Ø tests.

TheSAMMinstrument

DopplergramsMagnetograms

Synop3csolartelescopebasedonMagnetoOp3calFilter(MOF)technology

MOFtechnology

2observa3onlinesat2al3tudesinthesolaratmosphere:NaD2(600-700km)KI(300-400km)

Future:CaI(1000km),He1083ASynop3c

Fixedwavelengthbuthighstabilityandsensi3vity

Full-diskornear-full-diskmonitoringofsolarac3vity

MOFfilters

MOFcell:aglasscellcontainingavapourisedelement(Na,K,...)

immersedinastronglongitudinalmagne3cfield

ZeemaneffectMacaluso-Corbinoeffect

Righieffect

Spli`ngofabsorp3onlinesand(oppositecircular)polarisa3onofthetwo

components

2MOFcells+prefilter+polarisers+waveplates:

dopplergram/magnetogramin1absorp3online

Concept:prof.A.Cacciani(1968)

Pastprojects

AfewMOFtelescopeshavebeenbuiltanddeployedinthepast.

GenerallyverygoodMOFcells...

Andyet...

...butrestofconstruc3onhasoOensufferedfromlessthanideal

manufacturing.

Performance

5Gsensi3vitywith5sintegra3on3meMagnetograms

Dopplegrams

Jefferiesetal.havedeployedMOFtelescopesinAntarc3ca.

Telescopessufferedfrommechanicalstressesandunderperformingop3caltrain

2Gsensi3vitywith45sintegra3on3me

Antarc3ca:lowtangen3alvelocityonEarth’ssurface=

bestcase:10cm/ssensi3vity

Lowerla3tudes:highertangen3alvelocity=

worstcase:1m/ssensi3vity

2-5Gsensi3vity

Magnetograms

Dopplegrams

Pu`ngthenumbersintoperspec3ve...

8-15Gofficialsensi3vity

Worstcase:1m/ssensi3vity

10m/ssensi3vity

MOFground-basedtelescope HMIonSDOsatellite

MOFground-basedtelescope Scien3ficrequirements