GOALS-JWST: Mid-infrared Spectroscopy of the Nucleus of NGC 7469

被引：41

作者：

Armus, L. ^{[1
]}

Lai, T. ^{[1
]}

U, V. ^{[2
]}

Larson, K. L. ^{[3
]}

Diaz-Santos, T. ^{[4
,5
]}

Evans, A. S. ^{[6
,7
]}

Malkan, M. A. ^{[8
]}

Rich, J. ^{[9
]}

Medling, A. M. ^{[10
,11
,12
]}

Law, D. R. ^{[13
]}

Inami, H. ^{[14
]}

Muller-Sanchez, F. ^{[15
]}

Charmandaris, V. ^{[4
,5
,16
]}

van der Werf, P. ^{[17
]}

Stierwalt, S. ^{[18
]}

Linden, S. ^{[19
]}

Privon, G. C. ^{[6
,20
]}

Barcos-Munoz, L. ^{[7
]}

Hayward, C. ^{[21
]}

Song, Y. ^{[6
,7
]}

Appleton, P. ^{[1
]}

Aalto, S. ^{[22
]}

Bohn, T. ^{[14
]}

Boker, T. ^{[23
]}

Brown, M. J. I. ^{[24
]}

Finnerty, L. ^{[8
]}

Howell, J. ^{[1
]}

Iwasawa, K. ^{[25
,26
]}

Kemper, F. ^{[27
,28
,29
]}

Marshall, J. ^{[30
]}

Mazzarella, J. M. ^{[1
]}

McKinney, J. ^{[31
]}

Murphy, E. J. ^{[6
]}

Sanders, D. ^{[32
]}

Surace, J. ^{[1
]}

机构：

[1] CALTECH, IPAC, 1200 East Calif Blvd, Pasadena, CA 91125 USA

[2] Univ Calif Irvine, Dept Phys & Astron, 4129 Frederick Reines Hall, Irvine, CA 92697 USA

[3] AURA European Space Agcy ESA, Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[4] Fdn Res & Technol Hellas FORTH, Inst Astrophys, Iraklion 70013, Greece

[5] European Univ Cyprus, Sch Sci, Diogenes St, CY-1516 Nicosia, Cyprus

[6] Natl Radio Astron Observ, 520 Edgemont Rd, Charlottesville, VA 22903 USA

[7] Univ Virginia, Dept Astron, 530 McCormick Rd, Charlottesville, VA 22903 USA

[8] Univ Calif Los Angeles, Dept Phys & Astron, 430 Portola Plaza, Los Angeles, CA 90095 USA

[9] Observ Carnegie Inst Sci, 813 Santa Barbara St, Pasadena, CA 91101 USA

[10] Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA

[11] Univ Toledo, Ritter Astrophys Res Ctr, Toledo, OH 43606 USA

[12] ARC Ctr Excellence All Sky Astrophys 3 Dimens AST, Canberra, Australia

[13] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[14] Hiroshima Univ, Hiroshima Astrophys Sci Ctr, 1-3-1 Kagamiyama, Higashihiroshima, Hiroshima 7398526, Japan

[15] Univ Memphis, Dept Phys & Mat Sci, 3720 Alumni Ave, Memphis, TN 38152 USA

[16] Univ Crete, Dept Phys, Iraklion 71003, Greece

[17] Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands

[18] Occidental Coll, Phys Dept, 1600 Campus Rd, Los Angeles, CA 90041 USA

[19] Univ Massachusetts Amherst, Dept Astron, Amherst, MA 01003 USA

[20] Univ Florida, Dept Astron, POB 112055, Gainesville, FL 32611 USA

[21] Flatiron Inst, Ctr Computat Astrophys, 162 Fifth Ave, New York, NY 10010 USA

[22] Chalmers Univ Technol, Dept Space Earth & Environm, SE-41296 Gothenburg, Sweden

[23] European Space Agcy, Space Telescope Sci Inst, Baltimore, MD 21218 USA

[24] Monash Univ, Sch Phys & Astron, Clayton, Vic 3800, Australia

[25] Univ Barcelona IEEC UB, Inst Ciencies Cosmos ICCUB, 1 Marti & Franques, E-08028 Barcelona, Spain

[26] ICREA, Pg Lluis Co 23, E-08010 Barcelona, Spain

[27] CSIC, Inst Ciencies Espai ICE, Can Magrans s-n, E-08193 Barcelona, Spain

[28] ICREA, Pg Lluis Co 23, Barcelona, Spain

[29] Inst Estudis Espacials Catalunya IEEC, E-08034 Barcelona, Spain

[30] Glendale Community Coll, 1500 North Verdugo Rd, Glendale, CA 91208 USA

[31] Univ Massachusetts, Dept Astron, Amherst, MA 01003 USA

[32] Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2023年 / 942卷 / 02期

基金：

欧洲研究理事会; 瑞典研究理事会; 美国国家科学基金会;

关键词：

BLACK-HOLE MASS; INFRARED SPECTROGRAPH; SPACE-TELESCOPE; ULIRG EVOLUTION; SPITZER QUASAR; STAR-FORMATION; GALAXIES; EMISSION; FEEDBACK; SPECTRA;

D O I：

10.3847/2041-8213/acac66

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present mid-infrared spectroscopic observations of the nucleus of the nearby Seyfert galaxy NGC 7469 taken with the MIRI instrument on the James Webb Space Telescope (JWST) as part of Directors Discretionary Time Early Release Science program 1328. The high-resolution nuclear spectrum contains 19 emission lines covering a wide range of ionization. The high-ionization lines show broad, blueshifted emission reaching velocities up to 1700 km s(-1) and FWHM ranging from similar to 500 to 1100 km s(-1). The width of the broad emission and the broad-to-narrow line flux ratios correlate with ionization potential. The results suggest a decelerating, stratified, AGN-driven outflow emerging from the nucleus. The estimated mass outflow rate is 1-2 orders of magnitude larger than the current black hole accretion rate needed to power the AGN. Eight pure rotational H-2 emission lines are detected with intrinsic widths ranging from FWHM similar to 125 to 330 km s(-1). We estimate a total mass of warm H-2 gas of similar to 1.2 x 10(7) M (circle dot) in the central 100 pc. The PAH features are extremely weak in the nuclear spectrum, but a 6.2 mu m PAH feature with an equivalent width of similar to 0.07 mu m and a flux of 2.7 x 10(-17) W m(-2) is detected. The spectrum is steeply rising in the mid-infrared, with a silicate strength of similar to 0.02, significantly smaller than seen in most PG QSOs but comparable to other Seyfert 1s. These early MIRI mid-infrared IFU data highlight the power of JWST to probe the multiphase interstellar media surrounding actively accreting supermassive black holes.

引用

页数：9

共 59 条

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