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The 3D-HST survey : Hubble space telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for ~100,000 galaxies

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Abstract
We present reduced data and data products from the 3D-HST survey, a 248-orbit HST Treasury program. The survey obtained WFC3 G141 grism spectroscopy in four of the five CANDELS fields: AEGIS, COSMOS, GOODS-S, and UDS, along with WFC3 H-140 imaging, parallel ACS G800L spectroscopy, and parallel I-814 imaging. In a previous paper, we presented photometric catalogs in these four fields and in GOODS-N, the fifth CANDELS field. Here we describe and present the WFC3 G141 spectroscopic data, again augmented with data from GO-1600 in GOODS-N (PI: B. Weiner). We developed software to automatically and optimally extract interlaced two-dimensional (2D) and one-dimensional (1D) spectra for all objects in the Skelton et al. (2014) photometric catalogs. The 2D spectra and the multi-band photometry were fit simultaneously to determine redshifts and emission line strengths, taking the morphology of the galaxies explicitly into account. The resulting catalog has redshifts and line strengths (where available) for 22,548 unique objects down to JH(IR) <= 24 (79,609 unique objects down to JH(IR) <= 26). Of these, 5459 galaxies are at z > 1.5 and 9621 are at 0.7 < z < 1.5, where Ha falls in the G141 wavelength coverage. The typical redshift error for JH(IR) <= 24 galaxies is sigma(z) approximate to 0.003 x (1 + z), i.e., one native WFC3 pixel. The 3 sigma limit for emission line fluxes of point sources is 2.1 x 10(-17) erg s(-1) cm(-2). All 2D and 1D spectra, as well as redshifts, line fluxes, and other derived parameters, are publicly available.(18)
Keywords
STAR-FORMING GALAXIES, ULTRA-DEEP-FIELD, EXTRAGALACTIC LEGACY SURVEY, OLD STELLAR POPULATIONS, SIMILAR-TO 1.5, QUIESCENT GALAXIES, MASSIVE, GALAXIES, BILLION YEARS, ACS GRISM, BIG-BANG, catalogs, galaxies: evolution, methods: data analysis, techniques: spectroscopic

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MLA
Momcheva, Ivelina G et al. “The 3D-HST Survey : Hubble Space Telescope WFC3/G141 Grism Spectra, Redshifts, and Emission Line Measurements for ~100,000 Galaxies.” ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 225.2 (2016): n. pag. Print.
APA
Momcheva, I. G., Brammer, G. B., van Dokkum, P. G., Skelton, R. E., Whitaker, K. E., Nelson, E. J., Fumagalli, M., et al. (2016). The 3D-HST survey : Hubble space telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for ~100,000 galaxies. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 225(2).
Chicago author-date
Momcheva, Ivelina G, Gabriel B Brammer, Pieter G van Dokkum, Rosalind E Skelton, Katherine E Whitaker, Erica J Nelson, Mattia Fumagalli, et al. 2016. “The 3D-HST Survey : Hubble Space Telescope WFC3/G141 Grism Spectra, Redshifts, and Emission Line Measurements for ~100,000 Galaxies.” Astrophysical Journal Supplement Series 225 (2).
Chicago author-date (all authors)
Momcheva, Ivelina G, Gabriel B Brammer, Pieter G van Dokkum, Rosalind E Skelton, Katherine E Whitaker, Erica J Nelson, Mattia Fumagalli, Michael V Maseda, Joel Leja, Marijn Franx, Hans-Walter Rix, Rachel Bezanson, Elisabete Da Cunha, Claire Dickey, Natascha M Foerster Schreiber, Garth Illingworth, Mariska Kriek, Ivo Labbe, Johannes Ulf Lange, Britt F Lundgren, Daniel Magee, Danilo Marchesini, Pascal Oesch, Camilla Pacifici, Shannon G Patel, Sedona Price, Tomer Tal, David A Wake, Arjen van der Wel, and Stijn Wuyts. 2016. “The 3D-HST Survey : Hubble Space Telescope WFC3/G141 Grism Spectra, Redshifts, and Emission Line Measurements for ~100,000 Galaxies.” Astrophysical Journal Supplement Series 225 (2).
Vancouver
1.
Momcheva IG, Brammer GB, van Dokkum PG, Skelton RE, Whitaker KE, Nelson EJ, et al. The 3D-HST survey : Hubble space telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for ~100,000 galaxies. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES. 2016;225(2).
IEEE
[1]
I. G. Momcheva et al., “The 3D-HST survey : Hubble space telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for ~100,000 galaxies,” ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, vol. 225, no. 2, 2016.
@article{8567788,
  abstract     = {We present reduced data and data products from the 3D-HST survey, a 248-orbit HST Treasury program. The survey obtained WFC3 G141 grism spectroscopy in four of the five CANDELS fields: AEGIS, COSMOS, GOODS-S, and UDS, along with WFC3 H-140 imaging, parallel ACS G800L spectroscopy, and parallel I-814 imaging. In a previous paper, we presented photometric catalogs in these four fields and in GOODS-N, the fifth CANDELS field. Here we describe and present the WFC3 G141 spectroscopic data, again augmented with data from GO-1600 in GOODS-N (PI: B. Weiner). We developed software to automatically and optimally extract interlaced two-dimensional (2D) and one-dimensional (1D) spectra for all objects in the Skelton et al. (2014) photometric catalogs. The 2D spectra and the multi-band photometry were fit simultaneously to determine redshifts and emission line strengths, taking the morphology of the galaxies explicitly into account. The resulting catalog has redshifts and line strengths (where available) for 22,548 unique objects down to JH(IR) <= 24 (79,609 unique objects down to JH(IR) <= 26). Of these, 5459 galaxies are at z > 1.5 and 9621 are at 0.7 < z < 1.5, where Ha falls in the G141 wavelength coverage. The typical redshift error for JH(IR) <= 24 galaxies is sigma(z) approximate to 0.003 x (1 + z), i.e., one native WFC3 pixel. The 3 sigma limit for emission line fluxes of point sources is 2.1 x 10(-17) erg s(-1) cm(-2). All 2D and 1D spectra, as well as redshifts, line fluxes, and other derived parameters, are publicly available.(18)},
  articleno    = {27},
  author       = {Momcheva, Ivelina G and Brammer, Gabriel B and van Dokkum, Pieter G and Skelton, Rosalind E and Whitaker, Katherine E and Nelson, Erica J and Fumagalli, Mattia and Maseda, Michael V and Leja, Joel and Franx, Marijn and Rix, Hans-Walter and Bezanson, Rachel and Da Cunha, Elisabete and Dickey, Claire and Foerster Schreiber, Natascha M and Illingworth, Garth and Kriek, Mariska and Labbe, Ivo and Lange, Johannes Ulf and Lundgren, Britt F and Magee, Daniel and Marchesini, Danilo and Oesch, Pascal and Pacifici, Camilla and Patel, Shannon G and Price, Sedona and Tal, Tomer and Wake, David A and van der Wel, Arjen and Wuyts, Stijn},
  issn         = {0067-0049},
  journal      = {ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES},
  keywords     = {STAR-FORMING GALAXIES,ULTRA-DEEP-FIELD,EXTRAGALACTIC LEGACY SURVEY,OLD STELLAR POPULATIONS,SIMILAR-TO 1.5,QUIESCENT GALAXIES,MASSIVE,GALAXIES,BILLION YEARS,ACS GRISM,BIG-BANG,catalogs,galaxies: evolution,methods: data analysis,techniques: spectroscopic},
  language     = {eng},
  number       = {2},
  pages        = {35},
  title        = {The 3D-HST survey : Hubble space telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for ~100,000 galaxies},
  url          = {http://dx.doi.org/10.3847/0067-0049/225/2/27},
  volume       = {225},
  year         = {2016},
}

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