Exoplanets across galactic stellar populations with PLATO - Estimating exoplanet yields around FGK stars for the thin disk, thick disk, and stellar halo

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Volume 692 (December 2024)

A&A, 692 (2024) A150

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Table 5

Median number of planets for the targets in the LOPS2 and LOPN1 fields across 300 mock simulations, by the number of embryos assumed in the NGPPS populations.

	N_Embгyo = 10	N_Embгyo = 20	N_Embгyo = 50	N_Embгyo =100
Thin disk	Earth	193 446	342 480	666 603	760 515
	Super-Earth	212 649	313 580	600 428	732 959
	Neptunian	61 418	64 345	53 561	64 353
	Sub-Giant	18 955	19 474	16 883	15 740
	Giant	48 583	50 645	37 548	42 120

Thick disk	Earth	9277	17 845	36 489	45 103
	Super-Earth	14 410	18 260	19 868	23 812
	Neptunian	3044	3319	1326	1420
	Sub-Giant	1504	1245	324	322
	Giant	1998	1947	722	887

Halo (Without [Fe/H] Cut)	Earth	$425_{- 19}^{+ 20}$ $425_{ - 19}^{ + 20}$	$887_{- 43}^{+ 37}$ $887_{ - 43}^{ + 37}$	$2004_{- 67}^{+ 56}$ $2004_{ - 67}^{ + 56}$	$2932_{- 68}^{+ 80}$ $2932_{ - 68}^{ + 80}$
	Super-Earth	$1330_{- 31}^{+ 28}$ $1330_{ - 31}^{ + 28}$	$1311_{- 36}^{+ 36}$ $1311_{ - 36}^{ + 36}$	$387_{- 28}^{+ 32}$ $387_{ - 28}^{ + 32}$	$426_{- 34}^{+ 36}$ $426_{ - 34}^{ + 36}$
	Neptunian	$86_{- 9}^{+ 9}$ ${86_{ - 9}^{ + 9}}$	$187_{- 12}^{+ 13}$ ${187_{ - 12}^{ + 13}}$	$3_{- 1}^{+ 2}$ ${3_{ - 1}^{ + 2}}$	$3_{- 2}^{+ 3}$ ${3_{ - 2}^{ + 3}}$
	Sub-Giant	$169_{- 9}^{+ 10}$ ${169_{ - 9}^{ + 10}}$	$54_{- 8}^{+ 10}$ ${54_{ - 8}^{ + 10}}$	$1_{- 0}^{+ 1}$ ${1_{ - 0}^{ + 1}}$	$1_{- 0}^{+ 1}$ ${1_{ - 0}^{ + 1}}$
	Giant	$34_{- 6}^{+ 8}$ ${34_{ - 6}^{ + 8}}$	$32_{- 7}^{+ 8}$ ${32_{ - 7}^{ + 8}}$	$1_{- 0}^{+ 1}$ ${1_{ - 0}^{ + 1}}$	$2_{- 0}^{+ 1}$ ${2_{ - 0}^{ + 1}}$

Halo (With [Fe/H] Cut)	Earth	$69_{- 9}^{+ 9}$ ${69_{ - 9}^{ + 9}}$	$137_{- 17}^{+ 19}$ ${137_{ - 17}^{ + 19}}$	$278_{- 27}^{+ 30}$ ${278_{ - 27}^{ + 30}}$	$364_{- 28}^{+ 28}$ ${364_{ - 28}^{ + 28}}$
	Super-Earth	$120_{- 11}^{+ 13}$ $120_{ - 11}^{ + 13}$	$143_{- 13}^{+ 14}$ $143_{ - 13}^{ + 14}$	$104_{- 14}^{+ 17}$ $104_{ - 14}^{ + 17}$	$125_{- 21}^{+ 17}$ $125_{ - 21}^{ + 17}$
	Neptunian	$22_{- 5}^{+ 6}$ ${22_{ - 5}^{ + 6}}$	$23_{- 5}^{+ 5}$ ${23_{ - 5}^{ + 5}}$	$3_{- 2}^{+ 1}$ ${3_{ - 2}^{ + 1}}$	$3_{- 2}^{+ 2}$ ${3_{ - 2}^{ + 2}}$
	Sub-Giant	$12_{- 3}^{+ 3}$ $12_{ - 3}^{ + 3}$	$11_{- 4}^{+ 4}$ $11_{ - 4}^{ + 4}$	$1_{- 0}^{+ 1}$ $1_{ - 0}^{ + {\rm{1}}}$	$1_{- 0}^{+ 0}$ $1_{ - 0}^{ + 0}$
	Giant	$14_{- 5}^{+ 5}$ $14_{ - 5}^{ + 5}$	$13_{- 4}^{+ 4}$ $13_{ - 4}^{ + 4}$	$1_{- 0}^{+ 1}$ $1_{ - 0}^{ + 1}$	$2_{- 0}^{+ 1}$ $2_{ - 0}^{ + 1}$

Notes. For the halo stars, the 16th–84th percentile are given. The thick and thin disk components have a larger number of stars, resulting only in small variation between mocks (<1%). For the last, a lower metallicity limit at [Fe/H] < −0.6 is assumed, and planets around lower metallicity stars are removed.

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