lentil.radiometry.vegaflux

lentil.radiometry.vegaflux(band, waveunit='nm', valueunit='photlam')[source]

Get the flux of Vega in a desired observing band.

Band

Central Wavelength

Flux

U

360 nm

1790 Jy

B

438 nm

4036 Jy

V

545 nm

3636 Jy

R

641 nm

3064 Jy

I

798 nm

2416 Jy

J

1220 nm

1589 Jy

H

1630 nm

1021 Jy

K

2190 nm

640 Jy

W1

3353 nm

310 Jy

W2

4603 nm

172 Jy

W3

11561 nm

31.7 Jy

W4

22088 nm

8.36 Jy

Parameters
  • band (str) – Observing band.

  • waveunit (str) – Wavelength units, as accepted by Unit(). Default is nm.

  • valueunit (str) – Flux units, as accepted by Unit(). Default is photlam.

Returns

  • flux (float) – Vega flux in band expressed in valueunit

  • wave (float) – Central wavelength in band expressed in waveunit

References

[1] Bessell et al. (1998) Johnson-Cousins-Class System

[2] Wright et al. (2010) Wide-Field Infrared Survey Explorer