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J/AJ/117/2757   Surface photometry of NGC 5907            (Zheng+, 1999)

Deep intermediate-band surface photometry of NGC 5907 Zheng Z., Shang Z., Su H., Burstein D., Chen J., Deng Z., Byun Y.-I., Chen R., Chen W.-P., Deng L., Fan X., Fang Li-Z., Hester J.J., Jiang Z., Li Y., Lin W., Sun W.-H., Tsay W.-S., Windhorst R.A., Wu H., Xia X., Xu W., Xue S., Yan H., Zheng Z., Zhou X., Zhu J., Zou Z., Lu P. <Astron. J. 117, 2757 (1999)> =1999AJ....117.2757Z
ADC_Keywords: Galaxies, photometry ; Photometry, surface Keywords: galaxies: individual (NGC 5907) - galaxies: interactions - galaxies: photometry - galaxies: spiral Abstract: Intrigued by the initial report of an extended luminosity distribution perpendicular to the disk of the edge-on Sc galaxy NGC 5907, we have obtained very deep exposures of this galaxy with a Schmidt telescope, large-format CCD, and intermediate-band filters centered at 6660 Å and 8020 Å. These two filters, part of a 15-filter set, are custom designed to avoid the brightest (and most variable) night skylines. As a result, our images are able to go deeper with lower sky noise than those taken with broadband filters at similar effective wavelengths: e.g., 0.6 e- arcsec-2 s-1 for our observations versus 7.4 e- arcsec-2 s-1 for the R-band measures of Morrison et al. (1994AJ....108.1191M). In our assessment of both random and systematic errors, we show that the flux level where the errors of observation reach 1 mag arcsec-2 are 29.00 mag arcsec-2 in the 6660 Å image (corresponding to 28.7 in the R band) and 27.4 mag arcsec-2 in the 8020 Å image (essentially on the I-band system) Objects: -------------------------------------------- RA (2000) DE Designation(s) -------------------------------------------- 15 15 54.0 +56 19 45 NGC 5907 = UGC 9801 -------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table5.dat 51 485 Perpendicular surface brightness profiles of NGC 5907 in the 6660 and 8020 Å images
Byte-by-byte Description of file: table5.dat
Bytes Format Units Label Explanations
1- 2 A2 --- SlitPos Slit position shown in Figures 6a,b 4- 8 F5.1 kpc SDist Slit distance from NGC 5907 center (1) 13- 19 F7.2 arcsec AngD Angular distance from slit center (+ = northeast, - = southwest) 21 A1 --- f_AngD [ab] Flag on AngD (2) 24- 29 F6.2 kpc Dist Galactic plane distance (1) 31- 35 F5.2 mag/arcsec2 SB6600 ? Surface brightness at 6600 Å 37- 40 F4.2 mag/arcsec2 e_SB6600 ? Uncertainty in SB6600 42- 46 F5.2 mag/arcsec2 SB8020 ? Surface brightness at 8020 Å 48- 51 F4.2 mag/arcsec2 e_SB8020 ? Uncertainty in SB8020
Note (1): Assuming distance of 11 Mpc and Ho = 65 km/s/Mpc Note (2): a = Data affected by foreground star contamination and a possible line-of-sight warp b = Data affected by the ring
History: From AJ electronic edition References: Morrison, H. L., Boroson, T. A., & Harding, P. 1994, AJ, 108, 1191 (1994AJ....108.1191M)
(End) Greg Schwarz [AAS] 10-Apr-2000
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