Euclid 准备：Euclid 广域和深度巡天中红移 z<7 活动星系核的观测预期
星系天体物理
2025-01-22 v1
摘要
我们预测了在 Euclid 广域巡天（EWS）和 Euclid 深度巡天（EDS）中可观测到的活动星系核（AGN）的预期数量。从 X 射线光度函数（XLF）出发，我们生成了巡天覆盖区域内预期的 AGN 体积限制样本。每个 AGN 被赋予一个适合其 X 射线光度和红移的 SED，并带有从经验分布中采样的扰动。通过模拟观测分配的 SED 来评估每个 AGN 的光度可探测性。我们估计，在 EWS 中约有 4000 万个 AGN 在至少一个波段可探测，在 EDS 中约有 24 万个，对应的面密度分别为 2.810 deg 和 4.710 deg。对我们的模拟数据应用颜色选择标准，我们在 EWS 中选出了 4.810（331 deg）个 AGN 样本，在 EDS 中选出了 1.710（346 deg）个，分别占 EWS 和 EDS 中可探测 AGN 的 10% 和 8%。包含辅助的 Rubin/LSST 波段提高了 AGN 选择的完备性和纯度。这些数据使所选 AGN 的总数大约翻倍，分别占 EWS 和 EDS 中可探测 AGN 的 21% 和 15%。颜色选择的 AGN 预期总样本包含 6.010（74%）个未遮蔽 AGN 和 2.110（26%）个遮蔽 AGN，覆盖 和 。通过这种简单的颜色选择，预期的面密度已经与类似面积的现代 X 射线和中红外巡天的产量相当。我们对可探测 AGN 预期的相对不确定性，EWS 为 6.7%，EDS 为 12.5%，这主要由 XLF 的不确定性驱动。
引用
@article{arxiv.2405.18126,
title = {Euclid preparation. Observational expectations for redshift z<7 active galactic nuclei in the Euclid Wide and Deep surveys},
author = {Euclid Collaboration and M. Selwood and S. Fotopoulou and M. N. Bremer and L. Bisigello and H. Landt and E. Bañados and G. Zamorani and F. Shankar and D. Stern and E. Lusso and L. Spinoglio and V. Allevato and F. Ricci and A. Feltre and F. Mannucci and M. Salvato and R. A. A. Bowler and M. Mignoli and D. Vergani and F. La Franca and A. Amara and S. Andreon and N. Auricchio and M. Baldi and S. Bardelli and R. Bender and C. Bodendorf and D. Bonino and E. Branchini and M. Brescia and J. Brinchmann and S. Camera and V. Capobianco and C. Carbone and J. Carretero and S. Casas and M. Castellano and S. Cavuoti and A. Cimatti and G. Congedo and C. J. Conselice and L. Conversi and Y. Copin and F. Courbin and H. M. Courtois and M. Cropper and A. Da Silva and H. Degaudenzi and A. M. Di Giorgio and J. Dinis and F. Dubath and X. Dupac and S. Dusini and M. Farina and S. Farrens and S. Ferriol and M. Frailis and E. Franceschi and S. Galeotta and B. Gillis and C. Giocoli and A. Grazian and F. Grupp and L. Guzzo and S. V. H. Haugan and H. Hoekstra and M. S. Holliman and W. Holmes and I. Hook and F. Hormuth and A. Hornstrup and P. Hudelot and K. Jahnke and E. Keihänen and S. Kermiche and A. Kiessling and B. Kubik and M. Kümmel and M. Kunz and H. Kurki-Suonio and R. Laureijs and S. Ligori and P. B. Lilje and V. Lindholm and I. Lloro and D. Maino and E. Maiorano and O. Mansutti and O. Marggraf and K. Markovic and N. Martinet and F. Marulli and R. Massey and E. Medinaceli and S. Mei and M. Melchior and Y. Mellier and M. Meneghetti and E. Merlin and G. Meylan and M. Moresco and L. Moscardini and E. Munari and S. -M. Niemi and J. W. Nightingale and C. Padilla and S. Paltani and F. Pasian and K. Pedersen and W. J. Percival and V. Pettorino and G. Polenta and M. Poncet and L. A. Popa and L. Pozzetti and F. Raison and R. Rebolo and A. Renzi and J. Rhodes and G. Riccio and Hans-Walter Rix and E. Romelli and M. Roncarelli and E. Rossetti and R. Saglia and D. Sapone and B. Sartoris and R. Scaramella and M. Schirmer and P. Schneider and T. Schrabback and A. Secroun and G. Seidel and S. Serrano and C. Sirignano and G. Sirri and L. Stanco and C. Surace and P. Tallada-Crespí and D. Tavagnacco and A. N. Taylor and H. I. Teplitz and I. Tereno and R. Toledo-Moreo and F. Torradeflot and I. Tutusaus and L. Valenziano and T. Vassallo and A. Veropalumbo and Y. Wang and J. Weller and E. Zucca and A. Biviano and M. Bolzonella and E. Bozzo and C. Burigana and C. Colodro-Conde and G. De Lucia and D. Di Ferdinando and J. A. Escartin Vigo and R. Farinelli and K. George and J. Gracia-Carpio and M. Martinelli and N. Mauri and C. Neissner and Z. Sakr and V. Scottez and M. Tenti and M. Viel and M. Wiesmann and Y. Akrami and S. Anselmi and C. Baccigalupi and M. Ballardini and M. Bethermin and A. Blanchard and L. Blot and S. Borgani and S. Bruton and R. Cabanac and A. Calabro and G. Canas-Herrera and A. Cappi and C. S. Carvalho and G. Castignani and T. Castro and K. C. Chambers and S. Contarini and T. Contini and A. R. Cooray and O. Cucciati and S. Davini and B. De Caro and G. Desprez and A. Díaz-Sánchez and S. Di Domizio and H. Dole and S. Escoffier and A. G. Ferrari and I. Ferrero and F. Finelli and A. Fontana and F. Fornari and L. Gabarra and K. Ganga and J. García-Bellido and V. Gautard and E. Gaztanaga and F. Giacomini and G. Gozaliasl and A. Hall and H. Hildebrandt and J. Hjorth and J. J. E. Kajava and V. Kansal and D. Karagiannis and C. C. Kirkpatrick and L. Legrand and G. Libet and A. Loureiro and J. Macias-Perez and G. Maggio and M. Magliocchetti and R. Maoli and C. J. A. P. Martins and S. Matthew and L. Maurin and R. B. Metcalf and P. Monaco and C. Moretti and G. Morgante and S. Nadathur and L. Nicastro and Nicholas A. Walton and L. Patrizii and A. Pezzotta and M. Pöntinen and V. Popa and C. Porciani and D. Potter and I. Risso and P. -F. Rocci and M. Sahlén and A. G. Sánchez and A. Schneider and E. Sefusatti and M. Sereno and P. Simon and A. Spurio Mancini and J. Steinwagner and G. Testera and R. Teyssier and S. Toft and S. Tosi and A. Troja and M. Tucci and C. Valieri and J. Valiviita and G. Verza and J. R. Weaver and I. A. Zinchenko},
journal= {arXiv preprint arXiv:2405.18126},
year = {2025}
}
备注
36 pages, 21 figures, submitted to A&A