1996A&A...315L..55S

Query : 1996A&A...315L..55S

1996A&A...315L..55S - Astronomy and Astrophysics, volume 315L55-59 (1996/11-2)

The photometric calibration of the ISO Short Wavelength Spectrometer.

SCHAEIDT S.G., MORRIS P.W., SALAMA A., VANDENBUSSCHE B., BEINTEMA D.A., BOXHOORN D.R., FEUCHTGRUBER H., HERAS A.M., LAHUIS F., LEECH K., ROELFSEMA P.R., VALENTIJN E.A., BAUER O.H., VAN DER BLIEK N.S., COHEN M., DE GRAAUW T., HASER L.N., VAN DER HUCHT K.A., HUYGEN E., KATTERLOHER R.O., KESSLER M.F., KOORNNEEF J., LUINGE W., LUTZ D., PLANCK M., SPOON H., WAELKENS C., WATERS L.B.F.M., WIEPRECHT E., WILDEMAN K.J., YOUNG E. and ZAAL P.

Abstract (from CDS):

We give an overview of the photometric calibration of the Short Wavelength Spectrometer (SWS) through the Performance Verification phase. The basic strategy for deriving absolute flux densities from detector output for the grating and Fabry-Perot sections of SWS is reviewed, and the results are demonstrated with 2.4 - 45µm spectra of representative standards γ Dra, α Lyr, and γ Cru. The effects of in-orbit changes in the relative spectral response function (RSRF) and ISO pointing are discussed. The systematic continuum flux level uncertainties (1σ) are within the pre-launch specification of 30%. Further improvements depend on characterization of the in-orbit RSRF, improved performance of ISO pointing, and new data processing techniques.

Abstract Copyright: ∼

Journal keyword(s): instrumentation: spectrographs - methods: data analysis - infrared: general

Simbad objects: 7

View the references in ADS

Number of rows : 7

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	* eta Car	s*b	10 45 03.545808	-59 41 03.95124	6.37	7.03	6.48	6.123	4.41	LBV	2543	0
2	* gam Cru	PM*	12 31 09.95961	-57 06 47.5684	5.01	3.23	1.64	-0.02	-1.44	M3.5III	291	1
3	* alf Boo	RG*	14 15 39.67207	+19 10 56.6730	2.46	1.18	-0.05	-1.03	-1.68	K1.5IIIFe-0.5	2417	1
4	* gam Dra	*	17 56 36.36988	+51 29 20.0242	5.630	3.760	2.230	1.08	0.23	K5III	581	1
5	* alf Lyr	dS*	18 36 56.33635	+38 47 01.2802	0.03	0.03	0.03	0.07	0.10	A0V	2787	1
6	* del Dra	PM*	19 12 33.3013729052	+67 39 41.539165396	4.85	4.07	3.07	2.37	1.86	G9III	295	0
7	NML Cyg	s*r	20 46 25.5392819088	+40 06 59.464289232						M7/8	527	0

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