Overdensity of SubMillimiter Galaxies in the GJ526 Field mapped with the NIKA2 Camera

Overdensity of SubMillimiter Galaxies in the GJ526 Field mapped with the NIKA2 Camera. Lestrade, J., Adam, R., Ade, P., Ajeddig, H., Andre, P., Artis, E., Aussel, H., Beelen, A., Benoit, A., Berta, S., Bing, L., Bourrion, O., Calvo, M., Catalano, A., Coulais, A., De Petris, M., Desert, F., Doyle, S., Driessen, E. F. C., Gomez, A., Goupy, J., Keruzore, F., Kramer, C., Ladjelate, B., Lagache, G., Leclercq, S., Macias-Perez, J., Maury, A., Mauskopf, P., Mayet, F., Monfardini, A., Munoz-Echeverria, M., Perotto, L., Pisano, G., Ponthieu, N., Reveret, V., Rigby, A. J., Ritacco, A., Romero, C., Roussel, H., Ruppin, F., Schuster, K., Shu, S., Sievers, A., Tucker, C., & Zylka, R. November, 2021.

Paper abstract bibtex

Using the NIKA2 dual band millimeter camera installed on the IRAM30m telescope, we have mapped a relatively large field (\textasciitilde70 arcmin\textasciicircum2) in the direction of the star GJ526 to investigate the nature of the sources found with the MAMBO camera at 1.2 mm ten years earlier. We have found that they must be dust-obscured galaxies (SMGs) in the background beyond the star. The new NIKA2 map at 1.15 mm reveals additional sources and, in fact, an overdensity of SMGs predominantly distributed along a filament-like structure in projection on the sky across the whole observed field. We speculate this might be a cosmic filament at high redshift as revealed in cosmological hydrodynamical simulations. Measurement of spectroscopic redshifts of the SMGs in the candidate filament is required now for a definitive confirmation of the nature of the structure.

@article{lestrade_overdensity_2021,
	title = {Overdensity of {SubMillimiter} {Galaxies} in the {GJ526} {Field} mapped with the {NIKA2} {Camera}},
	url = {https://arxiv.org/abs/2111.01935v1},
	abstract = {Using the NIKA2 dual band millimeter camera installed on the IRAM30m telescope, we have mapped a relatively large field ({\textasciitilde}70 arcmin{\textasciicircum}2) in the direction of the star GJ526 to investigate the nature of the sources found with the MAMBO camera at 1.2 mm ten years earlier. We have found that they must be dust-obscured galaxies (SMGs) in the background beyond the star. The new NIKA2 map at 1.15 mm reveals additional sources and, in fact, an overdensity of SMGs predominantly distributed along a filament-like structure in projection on the sky across the whole observed field. We speculate this might be a cosmic filament at high redshift as revealed in cosmological hydrodynamical simulations. Measurement of spectroscopic redshifts of the SMGs in the candidate filament is required now for a definitive confirmation of the nature of the structure.},
	language = {en},
	urldate = {2021-11-09},
	author = {Lestrade, J.-F. and Adam, R. and Ade, P. and Ajeddig, H. and Andre, P. and Artis, E. and Aussel, H. and Beelen, A. and Benoit, A. and Berta, S. and Bing, L. and Bourrion, O. and Calvo, M. and Catalano, A. and Coulais, A. and De Petris, M. and Desert, F.-X. and Doyle, S. and Driessen, E. F. C. and Gomez, A. and Goupy, J. and Keruzore, F. and Kramer, C. and Ladjelate, B. and Lagache, G. and Leclercq, S. and Macias-Perez, J.-F. and Maury, A. and Mauskopf, P. and Mayet, F. and Monfardini, A. and Munoz-Echeverria, M. and Perotto, L. and Pisano, G. and Ponthieu, N. and Reveret, V. and Rigby, A. J. and Ritacco, A. and Romero, C. and Roussel, H. and Ruppin, F. and Schuster, K. and Shu, S. and Sievers, A. and Tucker, C. and Zylka, R.},
	month = nov,
	year = {2021},
}

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