Information on resource 'Northern Sky Narrowband Survey'

Services defined within this resource descriptor

• NSNS DR0.2: Estimated variance of H-alpha

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  Estimated variance (square noise) of H-alpha (HiPS simg.de/P/NSNS/DR0_2/halpha) normalized to 30" pixels. Use these data to assess the accuracy of the continuum-subtracted H-alpha, which is mainly determined by photon noise, whether from the signal of interest or from contamination.

• NSNS DR0.2: Estimated variance of [OIII]

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  Estimated variance (square noise) of OIII (HiPS simg.de/P/NSNS/DR0_2/oiii) normalized to 30" pixels. Use these data to assess the accuracy of the continuum-subtracted OIII, which is mainly determined by photon noise, whether from the signal of interest or from contamination.

• NSNS DR0.2: Estimated variance of [SII]

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  Estimated variance (square noise) of SII (HiPS simg.de/P/NSNS/DR0_2/sii) normalized to 30" pixels. Use these data to assess the accuracy of the continuum-subtracted SII, which is mainly determined by photon noise, whether from the signal of interest or from contamination.

• NSNS DR0.2: H-alpha

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  H-alpha (without continuum), background-corrected and intensity-calibrated to Rayleighs using WHAM (Wisconsin H-Alpha Mapper) data. This dataset only contains FITS images with linear intensity and full dynamic range. See http://www.simg.de/nebulae3/dr0_2 for other HIPSs.

• NSNS DR0.2: H-alpha (8 bit)

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  H-alpha (without continuum) as compressed 8-bit HIPS for easy visualization. See http://www.simg.de/nebulae3/dr0_2 for other data sets.

• NSNS DR0.2: H-alpha and continuum

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  H-alpha (without continuum, mapped to red), blue continuum (mapped to green) and red continuum (mapped to blue) as compressed 8-bit color HIPS for easy visualization. Stars are partially subtracted to make the faint reflection nebulae visible. See http://www.simg.de/nebulae3/dr0_2 for other data sets.

• NSNS DR0.2: [OIII]

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  OIII at 500.7 nm with linear intensity and full dynamic range in Rayleighs. See http://www.simg.de/nebulae3/dr0_2 other data sets.

• NSNS DR0.2: [OIII] (8 bit)

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  OIII at 500.7 nm (without continuum) as compressed 8-bit HIPS for easy visualization. See http://www.simg.de/nebulae3/dr0_2 for other data sets.

• NSNS DR0.2: [OIII], H-alpha and [SII]

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  [OIII] (mapped to red), H-alpha (mapped to green), and [SII] (mapped to blue) without continuum (except for the brightest stars) as compressed 8-bit color HIPS for easy visualization. See http://www.simg.de/nebulae3/dr0_2 for other data sets.

• NSNS DR0.2: [SII]

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  SII at 671.7 nm and 673.0 nm with linear intensity and full dynamic range in Rayleighs. See http://www.simg.de/nebulae3/dr0_2 other data sets.

• NSNS DR0.2: [SII] (8 bit)

  The Northern Sky Narrowband Survey maps the entire northern hemisphere down to a declination of -16° at an angular resolution of about 10 arcsec.

  SII at 671.7 nm and 673.0 nm (without continuum) as compressed 8-bit HIPS for easy visualization. See http://www.simg.de/nebulae3/dr0_2 for other data sets.

Copyright, License, Acknowledgements

• These HIPSes are distributed under CC-BY-NC-SA

• https://spdx.org/licenses/CC-BY-SA-4.0.html
• I acknowledge use of WHAM data for background correction and intensity calibration. The Wisconsin H-alpha Mapper (WHAM) and its H-alpha Sky Survey have been funded primarily by the National Science Foundation. The facility was designed and built with the help of the University of Wisconsin Graduate School, Physical Sciences Lab, and Space Astronomy Lab. NOAO staff at Kitt Peak and Cerro Tololo provided on-site support for its remote operation.

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