Hinode (satellite)

Short description: Japanese satellite

Hinode

Artist's impression of the Hinode spacecraft (then known as Solar-B) in orbit

Names| Solar-B
Operator| JAXA / NASA / PPARC
COSPAR ID| 2006-041A
SATCAT no.| 29479
Website| JAXA Hinode mission,NASA Hinode mission
Mission duration| Elapsed: 19 years, 7 months and 16 days
Spacecraft properties
Launch mass| 700 kg[1]
Start of mission
Launch date| 21:36, 22 September 2006 (UTC) (2006-09-22T21:36:00Z)[2]
Rocket| M-V rocket
Launch site| Uchinoura Space Center
Orbital parameters
Reference system| Geocentric
Regime| sun-synchronous orbit
Main
Wavelengths| Optical, X-ray, EUV
Instruments
Solar Optical Telescope (SOT)
X-ray Telescope (XRT)
Extreme-Ultraviolet Imaging Spectrometer (EIS)

Solar Terrestrial Probes program

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Hinode (/ˈhiːnoʊdeɪ/; Japanese: ひので, IPA: [çinode], Sunrise), formerly Solar-B, is a Japan Aerospace Exploration Agency Solar mission with United States and United Kingdom collaboration. It is the follow-up to the Yohkoh (Solar-A) mission and it was launched on the final flight of the M-V rocket from Uchinoura Space Center, Japan on 22 September 2006 at 21:36 UTC (23 September, 06:36 JST). Initial orbit was perigee height 280 km, apogee height 686 km, inclination 98.3 degrees. Then the satellite maneuvered to the quasi-circular Sun-synchronous orbit over the day/night terminator, which allows near-continuous observation of the Sun. On 28 October 2006, the probe's instruments captured their first images.

The data from Hinode are being downloaded to the Norway , terrestrial Svalsat station, operated by Kongsberg a few kilometres west of Longyearbyen, Svalbard. From there, data is transmitted by Telenor through a fibre-optic network to mainland Norway at Harstad, and on to data users in North America, Europe and Japan.

## Contents

* 1 Mission
* 2 Instruments
* 2.1 SOT (Solar Optical Telescope)
* 2.2 XRT (X-ray Telescope)
* 2.3 EIS (Extreme-Ultraviolet Imaging Spectrometer)
* 3 See also
* 4 References
* 5 External links

## Mission

Hinode was planned as a three-year mission to explore the magnetic fields of the Sun. It consists of a coordinated set of optical, extreme ultraviolet (EUV), and x-ray instruments to investigate the interaction between the Sun's magnetic field and its corona. The result will be an improved understanding of the mechanisms that power the solar atmosphere and drive solar eruptions. The EUV imaging spectrometer (EIS) was built by a consortium led by the Mullard Space Science Laboratory (MSSL) in the UK.[3] NASA, the space agency of the United States, was involved with three science instrument components: the Focal Plane Package (FPP), the X-Ray Telescope (XRT), and the Extreme Ultraviolet Imaging Spectrometer (EIS) and shares operations support for science planning and instrument command generation.[4] The mission was extended to the end of 2020 with a likely extension lasting until 2022.[5]

## Instruments

Hinode view of the 2012 Venus transit

Hinode carries three main instruments to study the Sun.

### SOT (Solar Optical Telescope)

A 0.5 meter Gregorian optical telescope with an angular resolution of about 0.2 arcsecond over the field of view of about 400 x 400 arcsec. At the SOT focal plane, the Focal Plane Package (FPP) built by the Lockheed Martin Solar and Astrophysics Laboratory in Palo Alto, California consists of three optical instruments: the Broadband Filter Imager (BFI) which produces images of the solar photosphere and chromosphere in six wide-band interference filters; the Narrowband Filter Imager (NFI) which is a tunable Lyot-type birefringent filter capable of producing magnetogram and dopplergram images of the solar surface; and the Spectropolarimeter (SP) which produces the most sensitive vector magnetograph maps of the photosphere to date.

The FPP also includes a Correlation Tracker (CT) which locks onto solar granulation to stabilize the SOT images to a fraction of an arcsecond. The spatial resolution of the SOT is a factor of 5 improvement over previous space-based solar telescopes (e.g., the MDI instrument on the SOHO).

### XRT (X-ray Telescope)

A modified Wolter I telescope design that uses grazing incidence optics to image the solar corona's hottest components (0.5 to 10 Million K) with an angular resolution consistent with 1 arcsec pixels at the CCD. The telescope has an imaging field of view of 34 arcminutes. It is capable of capturing an image of the full sun when pointed at the center of the solar disk. The telescope was designed and built by Smithsonian Astrophysical Observatory (SAO), which, with the Harvard College Observatory (HCO) form the Harvard-Smithsonian Center for Astrophysics (CfA). The camera was developed by NAOJ and JAXA.

### EIS (Extreme-Ultraviolet Imaging Spectrometer)

A normal incidence extreme ultraviolet (EUV) spectrometer that obtains spatially resolved spectra in two wavelength bands: 17.0–21.2 and 24.6–29.2 nm.[6] Spatial resolution is around 2 arcsec, and the field of view is up to 560 x 512 arcsec2. The emission lines in the EIS wavelength bands are emitted at temperatures ranging from 50,000 K to 20 million K. EIS is used to identify the physical processes involved in heating the solar corona.

## See also

* Sunrise a balloon-borne solar telescope

## References

1. ↑ "Hinode". NASA. 16 March 2015. https://www.nasa.gov/mission_pages/hinode/spacecraft.html.
2. ↑ Stephen Clark (22 September 2006). "Solar observatory launched to space by Japanese rocket". Spaceflightnow. http://www.spaceflightnow.com/m5/solarb/.
3. ↑ "MSSL Hinode EIS page". http://solarb.mssl.ucl.ac.uk/SolarB/Solar-B.jsp.
4. ↑ "NASA FY 2009 Budget Request". NASA. pp. Sci-281. http://www.nasa.gov/pdf/210019main_NASA_FY09_Budget_Estimates.pdf.
5. ↑ Extended life for ESA's science missions
6. ↑ "SOLAR-B Website – Home Page". http://msslxr.mssl.ucl.ac.uk:8080/SolarB/.

## External links

* NASA Mission Site for Hinode
* JAXA overview of mission
* Mission overview QuickTime, preparation for launch QuickTime Windows Media, launch QuickTime Windows Media (in Japanese)
* Solar-B Mission Profile by NASA's Solar System Exploration
* Solar-B project page of National Astronomical Observatory of Japan
* Solar-B project page of Lockheed Martin Solar and Astrophysics Laboratory
* Solar-B project page of Mullard Space Science Laboratory
* Solar-B project page of PPARC
* Solar-B project page of NASA MSFC
* HINODE (SOLAR-B) SOT-FPP Education/Public Outreach at Chabot Space and Science Center
* Amos, Jonathan (2006-09-09). "Probe to study mighty explosions". BBC News. http://news.bbc.co.uk/2/hi/science/nature/5330526.stm.

* v
* t
* e

Solar space missions

Current|

* ACE
* DSCOVR
* Hinode (Solar-B)
* IRIS
* MinXSS2
* Parker Solar Probe
* SOHO
* SDO
* SOLAR
* STEREO
* Wind

Past|

* Apollo Telescope Mount
* Coronas F (Koronas F)
* EURECA
* ESRO 2B
* Genesis
* GOES 13
* Helios
* Hinotori (Astro-A)
* IMP-8
* Intercosmos 26 (Koronas I)
* ISEE-1
* ISEE-2
* ICE / ISEE-3
* Koronas-Foton
* MinXSS1
* Orbiting Solar Observatory
* OSO 1
* OSO 2/OSO B
* OSO 3
* OSO 4
* OSO 5
* OSO 6
* OSO 7
* OSO 8
* Solwind
* PICARD
* Pioneer 5
* Pioneer 6, 7, 8 and 9
* PROBA-2
* Prognoz 6
* RHESSI
* SolarMax
* Spartan 201
* Taiyo (SRATS)
* TRACE
* Ulysses
* Yohkoh (Solar-A)

Planned|

* Solar Orbiter (2020)
* Aditya-L1 (2020)
* PROBA-3 (2021)
* PUNCH (2023)
* TRACERS (2023)
* SWFO-L1 (2024)

Proposed|

* ADAHELI
* EUVST
* Lagrange
* Solar-C
* SETH
* Solar Cruiser
* Sundiver

Cancelled (C) and lost (L)|

* AOSO (C)
* Pioneer E (L)
* Pioneer H (C)
* OSO C (L)
* OSO J (C)
* OSO K (C)
* Solar Sentinels (C)

Sun-Earth|

* SORCE
* SXI
* ACRIMSAT

List of heliophysics missions

* v
* t
* e

Space observatories

Operating|

* AGILE (since 2007)
* AMS-02 (since 2011)
* Aoi (since 2018)
* ASTERIA (since 2017)
* Astrosat (since 2015)
* BRITE constellation (since 2013)
* CALET (since 2015)
* Chandra (AXAF) (since 1999)
* DAMPE (since 2015)
* Fermi (since 2008)
* Gaia (since 2013)
* HXMT (Insight) (since 2017)
* Hinode (Solar-B) (since 2006)
* HiRISE (since 2005)
* Hisaki (SPRINT-A) (since 2013)
* Hubble (since 1990)
* INTEGRAL (since 2002)
* IBEX (since 2008)
* IRIS (since 2013)
* ISS-CREAM (since 2017)
* MAXI (since 2009)
* Mikhailo Lomonosov (since 2016)
* Mini-EUSO (since 2019)
* NCLE (since 2018)
* NEOSSat (since 2013)
* NICER (since 2017)
* NuSTAR (since 2012)
* Odin (since 2001)
* SDO (since 2010)
* SOHO (since 1995)
* SOLAR (since 2008)
* Spektr-RG (since 2019)
* Spitzer (since 2003)
* STEREO (since 2006)
* Swift (since 2004)
* TESS (since 2018)
* WISE (since 2009)
* XMM-Newton (since 1999)

Planned|

* CHEOPS (2019)
* iWF-MAXI (2019)
* Astro-1 Telescope (2020)
* ILO-1 (2020)
* LUCI (2020)
* Nano-JASMINE (2020)
* ORBIS (2020)
* Solar Orbiter (SolO) (2020)
* IXPE (2021)
* James Webb (JWST) (2021)
* LORD (2021)
* SVOM (2021)
* XPoSat (2021)
* Euclid (2022)
* Space Solar Telescope (2022)
* XRISM (2022)
* Xuntian (2022)
* K-EUSO (2023)
* Solar-C (2023)
* SPHEREx (2023)
* Small-JASMINE (2024)
* Near-Earth Object Surveillance Mission (2025+)
* Spektr-UV (2025)
* WFIRST (2025+)
* PLATO (2026)
* LiteBIRD (2027)
* ARIEL (2028)
* Spektr-M (2030+)
* ATHENA (2031)
* LISA (2034)

Proposed|

* Arcus
* AstroSat-2
* EXCEDE
* Fresnel Imager
* FOCAL
* HabEx
* Hibari
* Hypertelescope
* JEM-EUSO
* LUVOIR
* ATLAST
* HDST
* Lynx
* Nautilus Deep Space Observatory
* New Worlds Mission
* NRO donation to NASA
* OST
* PhoENiX
* Solar-D
* SPICA
* THEIA
* THESEUS

Retired|

* Akari (Astro-F) (2006–2011)
* ALEXIS (1993–2005)
* Alouette 1 (1962–1972)
* Ariel 1 (1962, 1964)
* Ariel 2 (1964)
* Ariel 3 (1967–1969)
* Ariel 4 (1971–1972)
* Ariel 5 (1974–1980)
* Ariel 6 (1979–1982)
* ATM (1973–1974)
* ASCA (Astro-D) (1993–2000)
* Astro-1 (1990)
* BBXRT
* HUT
* Astro-2 (HUT) (1995)
* Astron (1983–1989)
* ANS (1974–1976)
* BeppoSAX (1996–2003)
* CHIPSat (2003–2008)
* Compton (CGRO) (1991–2000)
* CoRoT (2006–2013)
* Cos-B (1975–1982)
* COBE (1989–1993)
* DXS (1993)
* EPOCh (2008)
* EPOXI (2010)
* Explorer 11 (1961)
* EXOSAT (1983–1986)
* EUVE (1992–2001)
* FUSE (1999–2007)
* Kvant-1 (1987–2001)
* GALEX (2003–2013)
* Gamma (1990–1992)
* Ginga (Astro-C) (1987–1991)
* Granat (1989–1998)
* Hakucho (CORSA-b) (1979–1985)
* HALCA (MUSES-B) (1997–2005)
* HEAO-1 (1977–1979)
* Herschel (2009–2013)
* Hinotori (Astro-A) (1981–1991)
* HEAO-2 (Einstein Obs.) (1978–1982)
* HEAO-3 (1979–1981)
* HETE-2 (2000–2008)
* Hipparcos (1989–1993)
* IUE (1978–1996)
* IRAS (1983)
* IRTS (1995–1996)
* ISO (1996–1998)
* IXAE (1996–2004)
* Kepler (2009–2018)
* Kristall (1990–2001)
* LEGRI (1997–2002)
* LISA Pathfinder (2015–2017)
* MOST (2003–2019)
* MSX (1996–1997)
* OAO-2 (1968–1973)
* OAO-3 (Copernicus) (1972–1981)
* Orbiting Solar Observatory
* OSO 1
* OSO 2/OSO B
* OSO 3
* OSO 4
* OSO 5
* OSO 6
* OSO 7
* OSO 8
* Orion 1 (1971)
* Orion 2 (1973)
* PAMELA (2006–2016)
* PicSat (2018)
* Planck (2009–2013)
* RELIKT-1 (1983–1984)
* R/HESSI (2002–2018)
* ROSAT (1990–1999)
* RXTE (1995–2012)
* SAMPEX (1992–2004)
* SAS-B (1972–1973)
* SAS-C (1975–1979)
* Solwind (1979–1985)
* Spektr-R (2011–2019)
* Suzaku (Astro-EII) (2005–2015)
* Taiyo (SRATS) (1975–1980)
* Tenma (Astro-B) (1983–1985)
* Uhuru (1970–1973)
* Vanguard 3 (1959)
* WMAP (2001–2010)
* Yokoh (Solar-A) (1991–2001)

Hibernating
(Mission completed)|

* SWAS (1998–2005)
* TRACE (1998–2010)

Lost|

* OAO-1 (1966)
* OAO-B (1970)
* CORSA (1976)
* OSO C (1965)
* ABRIXAS (1999)
* HETE-1 (1996)
* WIRE (1999)
* Astro-E (2000)
* Tsubame (2014–2015)
* Hitomi (Astro-H) (2016)

Cancelled|

* AOSO
* Astro-G
* Constellation-X
* Darwin
* Destiny
* EChO
* Eddington
* FAME
* FINESSE
* GEMS
* HOP
* IXO
* JDEM
* LOFT
* OSO J
* OSO K
* Sentinel
* SIM & SIMlite
* SNAP
* SPOrt
* TAUVEX
* TPF
* XEUS
* XIPE

See also|

* Great Observatories program
* List of space telescopes
* List of proposed space observatories
* List of X-ray space telescopes

* Category

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