WMO OSCAR | Details for Instrument PAN (IRS)

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Instrument: PAN (IRS)

Instrument details

Acronym	PAN (IRS)
Full name	Panchromatic Camera
Purpose	Very-high-resolution land imagery
Short description	Single VNIR channel (0.50-0.85 µm), SNR = 345 @ 550 W m-2 sr-1 µm-1
Background	New development
Scanning Technique	Pushbroom, 12288 pixel/line, swaths 70 km. Addressable within a field of regard of 400 km
Resolution	5.8 km
Coverage / Cycle	Depending on pointing strategy. Repeat cycle for a selected local scene: one week minimum, in daylight
Mass	120 kg	Power	60 W	Data Rate	336 Mbps (105 Mbps after compression)

Providing Agency	ISRO
Instrument Maturity	Flown on an R&D satellite
Utilization Period:	1996 to 2010
Last update:	2022-07-25

Detailed characteristics

Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Indian Remote-sensing Satellite (ISRO)
- IRS-1C (see instrument status) Mar 1996 - Sep 2005
- IRS-1D (see instrument status) Dec 1997 - Jan 2010

Instrument classification

Earth observation instrument
Passive optical radiometer or spectrometer
High resolution optical imager

WIGOS Subcomponents

Subcomponent 4
GNSS radio occultation (commercial)
High-resolution optical observation constellation (commercial)

Mission objectives

Primary mission objectives

Fire fractional cover

Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
Note: * Primary mission objective.

Variable	Relevance for measuring this variable	Operational limitations	Explanation
Cloud cover	5 - marginal	Infrequent coverage.. Daylight only.	Panchromatic channel
Fire fractional cover*	2 - very high	Cloud sensitive.. Infrequent coverage.. Daylight only.	Panchromatic channel with high resolution, for fire boundary detection
Glacier cover	5 - marginal	Cloud sensitive.. Long time for mapping.. Daylight only.	Panchromatic channel with high resolution, for glacier boundary detection
Snow cover	5 - marginal	Cloud sensitive.. Infrequent coverage.. Daylight only.	Panchromatic channel
Sea-ice cover	5 - marginal	Cloud sensitive.. Daylight only.	Panchromatic channel