SIMBAD references

2017ApJ...844..120P - Astrophys. J., 844, 120-120 (2017/August-1)

Spectroscopy of 10 γ-ray BL Lac objects at high redshift.

PAIANO S., LANDONI M., FALOMO R., TREVES A. and SCARPA R.

Abstract (from CDS):

We present optical spectra with high signal-to-noise ratio of 10 BL Lac objects detected at GeV energies by the Fermi satellite (3FGL catalog), which previous observations suggested are at relatively high redshift. The new observations, obtained at the 10 m Gran Telescopio Canarias, allowed us to find the redshift for J0814.5+2943 (z = 0.703), and we can set a spectroscopic lower limit for J0008.0+4713 (z > 1.659) and J1107.7+0222 (z > 1.0735) on the basis of Mg II intervening absorption features. In addition we confirm the redshifts for J0505.5+0416 (z = 0.423) and J1450+5200 (z > 2.470). Finally we contradict the previous z estimates for five objects (J0049.7+0237, J0243.5+7119, J0802.0+1005, J1109.4+2411, and J2116.1+3339).

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): BL Lacertae objects: general - galaxies: distances and redshifts - galaxies: distances and redshifts

Simbad objects: 10

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2019.10.14-19:03:10

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