For help, select the colored text. General info. and help. Object: Stellar Spectra: Visual U B V R I AB_F160BW AB_F218W AB_F255W AB_F300W AB_F336W AB_F439W AB_F555W AB_F675W AB_F814W AB_F1042M Surf. Brightness: (mag. arcsec-2) Spectral Type: gE Sa Sbc Scd IrI O5 B0 A0 F0 G0 G5 K0III M0III _____________________________________________ Power Law: Flux: (erg cm-2 s-1 Hz-1 arcsec-2) Freq./Wave.: (Hz/Ang.) Sp. Index: _____________________________________________ Emission Line: Line Flux: (erg cm-2 s-1 arcsec-2) Line: Ly 1216 C IV 1550 He II 1640 C III 1907 Mg II 2800 0 II 3727 Ne III 3869 H 4340 0 III 4363 He II 4686 H 4861 0 III 4959 0 III 5007 N II 5755 He I 5876 0 I 6300 N II 6548 H 6563 N II 6583 S II 6716 S II 6731 S III 9531 Specify Z Vel. : (units) Reddening (color excess): E(B-V): Sky Background: Rough estimate: Low Average High _____________________________________________ Detailed estimate based on object location: Right Ascension: H M S(Equinox 2000) Declination: D ' ''(e.g. "23 55 31.1" or "-00 05 34.3", omit + signs) Sun Angle: D (usually 90 degrees) Low Sky? _____________________________________________ User specified V magnitude for sky: mag arcsec-2 Instrument Configuration: Configuration: WFC PC A/D gain: 7 e-/ DN 14 e-/ DN Filter: LRF F122M F130LP F160BW F165LP F170W F185W F218W F255W F300W F336W F343N F375N F380W F390N F410M F437N F439W F450W F467M F469N F487N F502N F547M F555W F569W F588N F606W F622W F631N F656N F658N F673N F675W F702W F785LP F791W F814W F850LP F953N F1042M FQUVN-A FQUVN-B FQUVN-C FQUVN-D FQCH4N-A FQCH4N-B FQCH4N-C FQCH4N-D If using LRF filter give desired Central Wavelength: Ang. Exposure: Enter either S/N or Exposure Time. Signal to Noise (per pixel): Exposure Time: Sec.
