Global survey of star clusters in the Milky Way - VIII. Cluster formation and evolution

Open Access

Table 4

Parameter fit results

Parameter	Base	χ₂-fit	DKL-fit	E[ln P]-fit	Fit to Hunt & Reffert sample
β, kpc-²Myr-¹	0.81	${0.8448}_{- 0.51}^{+ 2.1}$ $0.8448_{ - 0.51}^{ + 2.1}$	${1.015}_{- 0.73}^{+ 1.5}$ $1.015_{ - 0.73}^{ + 1.5}$	${0.4090}_{- 0.21}^{+ 2.7}$ $0.4090_{ - 0.21}^{ + 2.7}$	${9.162}_{- 5.6}^{+ 71}$ $9.162_{ - 5.6}^{ + 71}$
⟨M⟩, M_⊙	505	$95_{- 44}^{+ 260}$ $95_{ - 44}^{ + 260}$	$87_{- 25}^{+ 380}$ $87_{ - 25}^{ + 380}$	$224_{- 180}^{+ 290}$ $224_{ - 180}^{ + 290}$	$219_{- 190}^{+ 280}$ $219_{ - 190}^{ + 280}$
CFR, M_⊙kpc-²Myr-¹	409	${80.2}_{- 20}^{+ 210}$ $80.2_{ - 20}^{ + 210}$	${88.4}_{- 26}^{+ 230}$ $88.4_{ - 26}^{ + 230}$	${91.6}_{- 50}^{+ 250}$ $91.6_{ - 50}^{ + 250}$	$2011_{- 1100}^{+ 3000}$ $2011_{ - 1100}^{ + 3000}$

$\log k / M_{^{⊙}}^{- 1}$ $\log k/M_{^ \odot }^{ - 1}$	-3.8	$- {3.268}_{- 0.76}^{+ 1.3}$ $- 3.268_{ - 0.76}^{ + 1.3}$	$- {2.718}_{- 1.4}^{+ 0.57}$ $- 2.718_{ - 1.4}^{ + 0.57}$	$- {3.254}_{- 0.59}^{+ 1.4}$ $- 3.254_{ - 0.59}^{ + 1.4}$	$- {3.751}_{- 0.18}^{+ 2.7}$ $- 3.751_{ - 0.18}^{ + 2.7}$
log M_*/M_⊙	3 2	${2.495}_{- 0.87}^{+ 0.55}$ $2.495_{ - 0.87}^{ + 0.55}$	${1.980}_{- 0.19}^{+ 1.2}$ $1.980_{ - 0.19}^{ + 1.2}$	${2.565}_{- 1.1}^{+ 0.45}$ $2.565_{ - 1.1}^{ + 0.45}$	${2.765}_{- 1.9}^{+ 0.24}$ $2.765_{ - 1.9}^{ + 0.24}$
s	2.4	${1.160}_{- 0.24}^{+ 4.3}$ $1.160_{ - 0.24}^{ + 4.3}$	${1.955}_{- 0.93}^{+ 3.7}$ $1.955_{ - 0.93}^{ + 3.7}$	${1.888}_{- 0.86}^{+ 4.1}$ $1.888_{ - 0.86}^{ + 4.1}$	${2.159}_{- 1.1}^{+ 5.3}$ $2.159_{ - 1.1}^{ + 5.3}$
x₁	0	${0.078}_{- 0.72}^{+ 0.21}$ $0.078_{ - 0.72}^{ + 0.21}$	${0.109}_{- 0.80}^{+ 0.13}$ $0.109_{ - 0.80}^{ + 0.13}$	$- {0.062}_{- 0.68}^{+ 0.32}$ $- 0.062_{ - 0.68}^{ + 0.32}$	${0.156}_{- 1.5}^{+ 0.18}$ $0.156_{ - 1.5}^{ + 0.18}$
x₂	1.2	${1.073}_{- 0.25}^{+ 0.30}$ $1.073_{ - 0.25}^{ + 0.30}$	${0.974}_{- 0.16}^{+ 0.41}$ $0.974_{ - 0.16}^{ + 0.41}$	${1.046}_{- 0.20}^{+ 0.33}$ $1.046_{ - 0.20}^{ + 0.33}$	${1.140}_{- 0.34}^{+ 0.38}$ $1.140_{ - 0.34}^{ + 0.38}$
logm_S/M_⊙	4.9	${3.321}_{- 0.054}^{+ 1.7}$ $3.321_{ - 0.054}^{ + 1.7}$	${3.950}_{- 0.73}^{+ 0.95}$ $3.950_{ - 0.73}^{ + 0.95}$	${3.914}_{- 0.42}^{+ 1.5}$ $3.914_{ - 0.42}^{ + 1.5}$	${4.743}_{- 0.86}^{+ 0.75}$ $4.743_{ - 0.86}^{ + 0.75}$

log n₁	−1	$- {0.525}_{- 0.48}^{+ 0.14}$ $- 0.525_{ - 0.48}^{ + 0.14}$	$- {0.552}_{- 0.45}^{+ 0.18}$ $- 0.552_{ - 0.45}^{ + 0.18}$	$- {0.521}_{- 0.48}^{+ 0.20}$ $- 0.521_{ - 0.48}^{ + 0.20}$	$- {0.474}_{- 0.67}^{+ 0.24}$ $- 0.474_{ - 0.67}^{ + 0.24}$
log t_V/yr	6.7	${7.262}_{- 0.66}^{+ 0.38}$ $7.262_{ - 0.66}^{ + 0.38}$	${7.383}_{- 0.82}^{+ 0.23}$ $7.383_{ - 0.82}^{ + 0.23}$	${7.006}_{- 0.45}^{+ 0.65}$ $7.006_{ - 0.45}^{ + 0.65}$	${6.934}_{- 0.58}^{+ 0.80}$ $6.934_{ - 0.58}^{ + 0.80}$

a₁	-0.2	$- {0.347}_{- 0.56}^{+ 0.33}$ $- 0.347_{ - 0.56}^{ + 0.33}$	$- {0.665}_{- 0.26}^{+ 0.66}$ $- 0.665_{ - 0.26}^{ + 0.66}$	$- {0.086}_{- 0.80}^{+ 0.13}$ $- 0.086_{ - 0.80}^{ + 0.13}$	${0.538}_{- 1.2}^{- 0.11}$ $0.538_{ - 1.2}^{ - 0.11}$
a₂	0.9	${0.922}_{- 0.74}^{+ 0.17}$ $0.922_{ - 0.74}^{ + 0.17}$	${1.455}_{- 1.3}^{- 0.31}$ $1.455_{ - 1.3}^{ - 0.31}$	${0.808}_{- 0.65}^{+ 0.21}$ $0.808_{ - 0.65}^{ + 0.21}$	${0.067}_{+ 0.048}^{+ 0.97}$ $0.067_{ + 0.048}^{ + 0.97}$
log c/yr-¹	-5.2	$- {5.647}_{- 1.1}^{+ 1.2}$ $- 5.647_{ - 1.1}^{ + 1.2}$	$- {5.129}_{- 1.6}^{+ 0.80}$ $- 5.129_{ - 1.6}^{ + 0.80}$	$- {6.196}_{- 0.81}^{+ 1.6}$ $- 6.196_{ - 0.81}^{ + 1.6}$	$- {6.988}_{- 0.20}^{+ 1.9}$ $- 6.988_{ - 0.20}^{ + 1.9}$
log M_br/M_⊙	3.7	${3.097}_{- 2.6}^{+ 2.0}$ $3.097_{ - 2.6}^{ + 2.0}$	${2.683}_{- 2.1}^{+ 2.2}$ $2.683_{ - 2.1}^{ + 2.2}$	${3.253}_{- 2.9}^{+ 2.1}$ $3.253_{ - 2.9}^{ + 2.1}$	${6.026}_{- 5.9}^{- 0.89}$ $6.026_{ - 5.9}^{ - 0.89}$

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.