欧几里得准备工作. XLIX. 使用观测颜色选取活跃性星系核
星系天体物理
2024-09-04 v1
摘要
欧几里得将覆盖超过14000平方度，包含两个光学和近红外光谱-光度仪器，预计检测约有千万个活跃性星系核(AGN)。这一独特的数据集将对我们对星系演化和AGN的理解产生重大影响。本文我们识别了基于欧几里得光度或包括额外光度观测(如将来可用Rubin太空时代遗产调查(LSST)的数据以及来自Spitzer/IRAC的现有观测)的AGN最佳颜色选取标准。针对无遮蔽AGN、遮蔽AGN以及复合(AGN和星形)对象进行分析。我们利用红外选定目标在全红程(Sprit)的光谱-光度实现情况，创建模拟目录以模拟欧几里得宽广调查(EWS)和欧几里得深入调查(EDS)。通过这些目录我们估计最佳颜色选取，最大化完整性和纯度的调和平均数(F1)。仅用欧几里得光度即可在两种欧几里得调查中选取无遮蔽AGN，F1为0.22-0.23，若限制在z>0.7时可提高至F1=0.43-0.38。一旦考虑Rubin/LSST滤波器(包括u、g、r或z滤波器的组合)，选取效果显著提升，分别达到EDS和EWS的F1为0.84和0.86。将欧几里得颜色与[3.6]-[4.5]颜色的组合(仅在EDS中可能)实现F1为0.59，优于仅用欧几里得滤波器，但不如结合欧几里得和LSST的选取。对于复合(=0.05-0.65于8-40 )和遮蔽AGN的选取具有挑战性，即使包含额外数据，F1也小于0.3。这由0.3-5 $\mu m波段范围内这些AGN和星形星系的宽带光谱能分布相似性所致。
引用
@article{arxiv.2409.00175,
title = {Euclid preparation. XLIX. Selecting active galactic nuclei using observed colours},
author = {Euclid Collaboration and L. Bisigello and M. Massimo and C. Tortora and S. Fotopoulou and V. Allevato and M. Bolzonella and C. Gruppioni and L. Pozzetti and G. Rodighiero and S. Serjeant and P. A. C. Cunha and L. Gabarra and A. Feltre and A. Humphrey and F. La Franca and H. Landt and F. Mannucci and I. Prandoni and M. Radovich and F. Ricci and M. Salvato and F. Shankar and D. Stern and L. Spinoglio and D. Vergani and C. Vignali and G. Zamorani and L. Y. A. Yung and S. Charlot and N. Aghanim and A. Amara and S. Andreon and N. Auricchio and M. Baldi and S. Bardelli and P. Battaglia and R. Bender and D. Bonino and E. Branchini and S. Brau-Nogue and M. Brescia and S. Camera and V. Capobianco and C. Carbone and J. Carretero and S. Casas and F. J. Castander and M. Castellano and S. Cavuoti and A. Cimatti and G. Congedo and C. J. Conselice and L. Conversi and Y. Copin and L. Corcione 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 X. Dupac and S. Dusini and A. Ealet and M. Farina and S. Farrens and S. Ferriol and M. Frailis and E. Franceschi and P. Franzetti and M. Fumana and S. Galeotta and B. Garilli and B. Gillis and C. Giocoli and B. R. Granett and A. Grazian and F. Grupp and L. Guzzo and S. V. H. Haugan and W. Holmes and I. Hook and F. Hormuth and A. Hornstrup and K. Jahnke and E. Keihänen and S. Kermiche and A. Kiessling and M. Kilbinger and T. Kitching and M. Kümmel and M. Kunz and H. Kurki-Suonio and S. Ligori and P. B. Lilje and V. Lindholm and I. Lloro and E. Maiorano and O. Mansutti and O. Marggraf and K. Markovic and N. Martinet and F. Marulli and R. Massey and S. Maurogordato and E. Medinaceli and S. Mei 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 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 F. Raison and R. Rebolo and A. Renzi and J. Rhodes and G. Riccio and E. Romelli and M. Roncarelli and E. Rossetti and R. Saglia and D. Sapone and B. Sartoris 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 A. N. Taylor and I. Tereno and R. Toledo-Moreo and F. Torradeflot and I. Tutusaus and E. A. Valentijn and L. Valenziano and T. Vassallo and Y. Wang and J. Zoubian and E. Zucca and A. Biviano and E. Bozzo and C. Colodro-Conde and D. Di Ferdinando and G. Fabbian and J. Graciá-Carpio and S. Marcin and N. Mauri and Z. Sakr and V. Scottez and M. Tenti and Y. Akrami and C. Baccigalupi and M. Ballardini and M. Bethermin and A. Blanchard and S. Borgani and A. S. Borla and S. Bruton and C. Burigana and R. Cabanac and A. Calabro and A. Cappi and C. S. Carvalho and G. Castignani and T. Castro and K. C. Chambers and A. R. Cooray J. Coupon and O. Cucciati and S. Davini and G. De Lucia and G. Desprez and A. Díaz-Sánchez and S. Di Domizio and H. Dole and J. A. Escartin Vigo and S. Escoffier and I. Ferrero and F. Finelli and K. Ganga and J. García-Bellido and F. Giacomini and G. Gozaliasl and A. Gregorio and H. Hildebrandt and A. Jiminez Muñoz and J. J. E. Kajava and V. Kansal and D. Karagiannis and C. C. Kirkpatrick and L. Legrand and A. Loureiro and J. Macias-Perez and G. Maggio and M. Magliocchetti and G. Mainetti and R. Maoli and M. Martinelli and C. J. A. P. Martins and S. Matthew and L. Maurin and R. B. Metcalf and M. Migliaccio and P. Monaco and G. Morgante and S. Nadathur and L. Patrizii and V. Popa and C. Porciani and D. Potter and M. Pöntinen and P. -F. Rocci and A. G. Sánchez and A. Schneider and M. Sereno and P. Simon and J. Stadel and S. A. Stanford and J. Steinwagner and G. Testera and M. Tewes and R. Teyssier and S. Toft and S. Tosi and A. Troja and M. Tucci and J. Valiviita and M. Viel and I. A. Zinchenko},
journal= {arXiv preprint arXiv:2409.00175},
year = {2024}
}
备注
25 pages, 28 figures, accepted for publication on A&A