CAI formation in the early Solar System | Astronomy & Astrophysics (A&A)

Home

All issues

Volume 687 (July 2024)

A&A, 687 (2024) A65

Full HTML

Open Access

Table 1

Disc model parameters for the early solar nebula.

	Age	[Myr]	0.001	0.003	0.01	0.03	0.1	0.3	1	3
Stellar mass	M_*	[M_⊙]	0.233	0.236	0.246	0.275	0.365	0.574	0.887	0.942
Accretion rate⁽⁰⁾	Ṁ_acc	[M_⊙ yr⁻¹]	9.87(−7)	9.95(−7)	1.01(−6)	1.03(−6)	1.04(−6)	8.31(−7)	7.22(−8)	1.54(−8)
Effective temp.⁽¹⁾	T_*	[K]	3140	3160	3190	3290	3520	3860	4200	4210
Stellar luminosity⁽¹⁾	L_*	[L_⊙]	2.84	2.68	2.29	1.83	2.25	3.70	1.95	0.91
Accretion luminosity	L_acc	[L_⊙]	0.50	0.54	0.64	0.89	1.26	1.52	0.34	0.11
Disc luminosity	L_vis	[L_⊙]	0.094	0.097	0.110	0.142	0.223	0.293	0.048	0.011

Disc mass	M_disc	[M_⊙]	0.00463	0.00495	0.00611	0.0102	0.0311	0.139	0.262	0.208
Inner disc radius⁽²⁾	R_in	[au]	0.131	0.128	0.122	0.118	0.134	0.164	0.108	0.0724
Outer disc radius⁽³⁾	R_out	[au]	17	18	20	25	42	82	260	630
Outer disc radius⁽⁴⁾	R_out,obs	[au]	4.8	5.0	5.5	6.3	9.9	25	81	130

Notes.⁽⁰⁾ notation a(−b) means a × 10^−b;⁽¹⁾ from the evolutionary tracks of Siess et al. (2000) for given age and M_*;⁽²⁾ using $(L_{⋆} + L_{acc}) \propto R_{in}^{2}$ $\left( {{L_ \star } + {L_{{\rm{acc}}}}} \right) \propto R_{{\rm{in}}}^2$ ; see text;⁽³⁾ end of the ProDiMo model domain, corresponding to a half column density of hydrogen nuclei of N_〈H〉 = 10²⁰ cm⁻²;⁽⁴⁾ radius that contains 90% of the 1.3 mm continuum flux from the disc according to the ProDiMo model.

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.