WMO OSCAR | Gap analyses by variable or by type of mission or by WIGOS subcomponent

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Gap analyses by variable or by type of mission or by WIGOS subcomponent

Please select either a variable or a type of mission to display a time chart of satellite instruments having the potential to provide the corresponding measurements. The selection is based on design characteristics (Expert analysis) or declared mission objectives (Simplified analysis). Such a preliminary analysis does not replace a detailed assessment of the actual instrument performances, data availability, and quality of derived environmental data records against specific user requirements.

Note: The chart can be sorted by clicking on the header columns and filtered by instrument properties when applicable. Select the period of interest with the cursor at the bottom of the chart. Future missions which are not firmly planned are shaded with stripes. A warning icon () indicates degraded satellite: hover over the icon for details. The chart is followed by a table of all potentially relevant instruments.

Select a variable

or select a type of mission

Select WIGOS subcomponents

Subcomponent 1

Subcomponent 2

Subcomponent 3

Subcomponent 4

Instrument types

ECT range

Orbit types

Longitude range

Analysis

Expert system, based on instrument properties Help icon

Simplified, based on mission objectives Help icon

In "Simplified" mode, the results in the analysis are calculated by looking at each instrument's mission objectives: for each instrument we keep track of what the primary, secondary, and opportunity mission objectives are. These mission objectives indicate that an instrument is primarily envisioned to measure variable X, Y and Z, that variables A, B and C are its secondary objective, and that it may offer the opportunity to measure variables I and II although it is not optimized for that. The simplified Gap analysis produces a timeline based on this information. The simplified Gap analysis is only available for analyzing variables, not for missions.

In "Expert system" mode, the results in the analysis are calculated with an expert system. Internally, OSCAR works with a large set of 1700 rules that determine whether or not an instrument is capable of measuring a given variable, and to what degree. When you select "Expert system", the Gap analysis is performed based on this large set of rules.

Variable sorting criteria

	Each instrument is assigned with an up-to-5-step rating, evaluated as a blend of several elements. For this particular Variable, the rating is driven by: the observation mechanism (occultation coronagraph or disk + corona) the observed radiation band. RATING CRITERIA:
1	Occultation coronagraph, observing X-ray or EUV or the Lyman-alpha line
2	Occultation coronagraph, observing UV or the CA-II-K line or VIS or the H-alpha line
3	Disk + corona viewed, observing X-ray and/or EUV
4	Disk + corona viewed, observing UV and/or VIS
5	-

Measurement timeline for Solar coronagraphic image

Definition:

Image of the solar corona surrounding the Sun.

Hint: Move around in the timeline by scrolling up, down, left or right.

Found 28 results

This table has a large number of results.

Hide lower rated instruments

Hide inactive instruments

Instrument	Relevance	Satellite	Orbit	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	2027	2028	2029	2030	2031	2032	2033	2034	2035
EUVI-Vigil	1 - primary	Vigil-L5																																											X	X	X	X	X	X	X	X	X	X	X
METIS	1 - primary	Solar Orbiter	25 °																																					X	X	X	X	X	X	X	X	X	X	X
UVCS	1 - primary	SOHO													X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
CCOR	2 - very high	GOES-U	75°W																																									X	X	X	X	X	X	X	X	X	X	X	X
CCOR	2 - very high	SWFO-L1																																											X	X	X	X	X
CP	2 - very high	SMM	28.5 °	X	X	X	X	X	X	X	X	X	X
LASCO	2 - very high	SOHO													X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SECCHI/COR-1	2 - very high	STEREO-B	23.44 °																							X	X	X	X	X	X	X	X	X
SECCHI/COR-1	2 - very high	STEREO-A	23.44 °																							X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SECCHI/COR-2	2 - very high	STEREO-B	23.44 °																							X	X	X	X	X	X	X	X	X
SECCHI/COR-2	2 - very high	STEREO-A	23.44 °																							X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
VELC	2 - very high	Aditya-1																																								X	X	X	X	X	X
RESPEKT	3 - high	Zond-M	TBD																																										X	X	X	X
SOLIST	3 - high	Zond-M	TBD																																										X	X	X	X
TEREK-C	3 - high	Coronas-I	82.5 °											X
TEREK-C	3 - high	Coronas-F	82.5 °																		X	X	X	X	X
TESIS	3 - high	Coronas-Photon	82.5 °																										X
XRT	3 - high	Solar-B (Hinode)	06:00 asc																							X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
CDS	3 - high	SOHO													X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
EIS	3 - high	Solar-B (Hinode)	06:00 asc																							X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
EIT	3 - high	SOHO													X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SECCHI/EUVI	3 - high	STEREO-B	23.44 °																							X	X	X	X	X	X	X	X	X
SECCHI/EUVI	3 - high	STEREO-A	23.44 °																							X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SPICE	3 - high	Solar Orbiter	25 °																																					X	X	X	X	X	X	X	X	X	X	X
SWAP	3 - high	PROBA-2	06:00 asc																										X	X	X	X	X	X	X	X	X	X	X	X	X	X
STEK	4 - fair	Zond-M	TBD																																										X	X	X	X
SoloHI	4 - fair	Solar Orbiter	25 °																																					X	X	X	X	X	X	X	X	X	X	X
WISPR	4 - fair	Parker Solar Probe	3.4 °																																			X	X	X	X	X	X	X	X

All instruments for measuring Solar coronagraphic image

Instruments	Relevance	Operational limitations
EUVI-Vigil	1 - primary
METIS	1 - primary
UVCS	1 - primary
CCOR	2 - very high
CP	2 - very high
LASCO	2 - very high
SECCHI/COR-1	2 - very high
SECCHI/COR-2	2 - very high
VELC	2 - very high
RESPEKT	3 - high
SOLIST	3 - high
TEREK-C	3 - high
TESIS	3 - high
XRT	3 - high
CDS	3 - high
EIS	3 - high
EIT	3 - high
SECCHI/EUVI	3 - high
SPICE	3 - high
SWAP	3 - high
STEK	4 - fair
SoloHI	4 - fair
WISPR	4 - fair