DEIMOS
Earth Observation Mission CFI Software
Lib Software User Manual
for JAVA		 ESA
Public Member Functions | Public Attributes

EECFI.StarData Class Reference

Base class for StarData objects. More...

Inheritance diagram for EECFI.StarData:
EECFI.CfiClass

List of all members.

Public Member Functions

 StarData ()
 Class constructor (empty constructor).
 StarData (double ra, double dec, double muRa, double muDec, double radVel, double par, long cs)
 Class constructor.
native Coord getCart (ModelId modelId, long deriv) throws CfiError
 Get cartesian coordinates in the requested CS.
native StarRaDec getStar (ModelId modelId, Time time) throws CfiError
 Get star Ra and Dec in ToD for a given time.
native StarData changeCatalog (ModelId modelId, Time time, long newCatalog) throws CfiError
 Get the star parameters in a different catalog.

Public Attributes

double ra
 RA or galactic longitude (radians: 0, 2PI).
double dec
 Dec or galactic latitude (radians: -PI/2, PI/2).
double muRa
 Proper motion in RA (rad/century).
double muDec
 Proper motion in Dec (rad/century).
double radVel
 Radial velocity (AU/century).
double parallax
 Parallax (radians: 0, 2PI).
long cs
 Reference frame where the coordinates are refered to.

Detailed Description

Base class for StarData objects.

Constructor & Destructor Documentation

EECFI.StarData.StarData (  ) 

Class constructor (empty constructor).

EECFI.StarData::StarData ( double  ra,
double  dec,
double  muRa,
double  muDec,
double  radVel,
double  par,
long  cs 
)

Class constructor.

Parameters:
ra RA or galactic longitude (radians: 0, 2PI).
dec Dec or galactic latitude (radians: -PI/2, PI/2).
muRa Proper motion in RA (rad/century).
muDec Proper motion in Dec (rad/century).
radVel Radial velocity (AU/century).
par Parallax (radians: 0, 2PI).
cs Reference frame where the coordinates are refered to.

Member Function Documentation

StarData EECFI.StarData::changeCatalog ( ModelId  modelId,
Time  time,
long  newCatalog 
) throws CfiError

Get the star parameters in a different catalog.

Only the RA and Dec. are computed.

Parameters:
modelId Model id.
time Time of the input star.
newCatalog New catalogue where the new parameters are computed.
Returns:
Star parameters in new catalog.
Coord EECFI.StarData::getCart ( ModelId  modelId,
long  deriv 
) throws CfiError

Get cartesian coordinates in the requested CS.

Only the position and velocity vector are computed (not the accelearation).

Parameters:
modelId Model Id.
deriv flag to indicate if derivatives have to be computed (XLCFI_NO_DER, XLCFI_DER_1ST).
StarRaDec EECFI.StarData::getStar ( ModelId  modelId,
Time  time 
) throws CfiError

Get star Ra and Dec in ToD for a given time.

The object StarData values are used as a reference and it it should be given in FK5 catalog (BM2000 CS).

Parameters:
modelId Model id.
time Time for which the values are requested.

Member Data Documentation

long EECFI.StarData.cs

Reference frame where the coordinates are refered to.

double EECFI.StarData.dec

Dec or galactic latitude (radians: -PI/2, PI/2).

double EECFI.StarData.muDec

Proper motion in Dec (rad/century).

double EECFI.StarData.muRa

Proper motion in RA (rad/century).

double EECFI.StarData.parallax

Parallax (radians: 0, 2PI).

double EECFI.StarData.ra

RA or galactic longitude (radians: 0, 2PI).

double EECFI.StarData.radVel

Radial velocity (AU/century).

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