POISSON project - II. A multi-wavelength spectroscopic and photometric survey of young protostars in L 1641

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Volume 538 (February 2012)

A&A, 538 (2012) A64

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Table 7

Stellar parameters.

ID	α	Class	L _bol	A _V	SpT	T _eff	L _∗	M _∗	R _∗	Age	L _acc	L_acc/L_bol	Ṁ _acc	Ṁ _out	Jet/Outflow^a	Jet lines^b
			(L_⊙)	(mag)		(K)	(L_⊙)	(M_⊙)	(R_⊙)	(yr)	(L_⊙)		(M_⊙ yr^-1)	(M_⊙ yr^-1)

1^aa	–1.04	II	1.3	2	K5^d^,^e ± 1	4350 ± 150	0.9	1.17	1.95	4.71E+6	0.4	0.31	2.1E-8	···	n	n
2^bb	0.06	F	14.5	8.5	K6^e ± 1	4200 ± 150	13.0	1.13	6.45	2.12E+5	1.5	0.10	2.7E-7	2E-09	y	y
3^cc	–0.49	II	61.4	2	A1^c^,^e ± 1	9230 ± 250	42.6	2.68	2.68	4.26E+6	18.8	0.31	6.0E-7	···	y	n
4^dd	0.04	F	3.1	3	M0^c^,^d^,^e ± 1	3850 ± 130	2.5	0.55	3.42	5.19E+5	0.6	0.19	1.2E-7	5E-09	n	y
5	0.10	F	3.7	10	K5^e ± 1	4350 ± 150	2.6	1.1	2.91	9.71E+5	1.1	0.3	9.3E-8	2E-09	y	y
6	0.57	I	3.6	24	K7^g ± 3	4060 ± 400	3.1	0.69	3.56	6.36E+5	0.5	0.14	8.2E-8	4E-10	y	y
7	–0.37	II	13.1	0	A5^c^,^e ± 1	8200 ± 200	11.9	1.88	1.84	1.00E+7	1.2	0.09	3.7E-8	···	n	n
8	–0.08	F	188.3	19	B7^c^,^e ± 1	13000 ± 1000	127	3.43	2.79	2.81E+6	61.3	0.33	1.6E-6	···	y	n
9	–0.45	II	6	2	K4^c^,^e ± 1	4590 ± 150	4.4	1.51	3.23	9.62E+5	1.6	0.27	1.1E-7	2E-09	y	y
10	0.28	F	3.0	8.2	M0^e^,^f ± 1	3850 ± 130	2.4	0.55	3.69	4.13E+5	0.6	0.20	1.3E-7	8E-10	y	y
11	–0.49	II	7.1	2	K0^e ± 2	5250 ± 300	4.4	1.89	2.39	5.01E+6	2.7	0.38	1.1E-7	2E-09	y	y
12	0.33	I	1.1	8	M7.5^f ± 1.5	2800 ± 200	0.9	0.15	3.71	1.76E+4	0.2	0.18	1.6E-7	8E-10	n	y
13	1.60	I	3.9	25	M1^f ± 2	3705 ± 300	3.6	0.47	4.40	5.01E+4	0.3	0.08	9.0E-8	···	n	n
14	0.50	I	7.0	24	K7^g ± 3	3890 ± 400	3.9	0.60	4.10	3.24E+5	3.1	0.44	6.8E-7	5E-09	y	y
15	–0.04	F	2.3	8.5	K7^d ± 1	4060 ± 100	1.7	0.73	2.87	7.66E+5	0.6	0.26	7.5E-8	7E-10	y	y
16^ee	–0.26	F	10.2	4	F7^c^,^d^,^e ± 2	6280 ± 160	9.1	1.70	2.54	9.35E+6	1.1	0.11	5.2E-8	···	n	n
17	0.16	F	4.7	23	K5^g ± 2	4350 ± 300	2.9	1.12	2.94	8.93E+5	1.8	0.38	1.5E-7	···	n	n
18^ff	0.27	F	5.8	2	K1^c^,^d^,^e ± 1	5080 ± 170	3.7	1.74	2.14	5.34E+6	2.1	0.36	8.3E-8	6E-09	y	y
19	0.39	I	1.4	20	M0^f ± 2	3850 ± 300	1.1	0.56	2.25	1.00E+6	0.3	0.21	3.8E-8	···	n	n
20	0.32	I	4.7	23	K5^g ± 2	4350 ± 300	2.2	1.12	2.31	1.30E+6	2.5	0.53	2.1E-7	···	n	n
21	0.23	F	2.0	22.5	M0^f ± 2	3850 ± 300	1.25	0.56	2.39	8.52E+5	0.75	0.37	1.0E-7	···	n	n
22	–0.14	F	0.32	12	M0^f ± 2	3850 ± 300	0.26	0.59	1.09	6.00E+6	<0.06	0.19	<3.6E-9	···	n	n
23	0.90	I	7.7	21	M0^f ± 2	3850 ± 300	4.9	0.60	5.26	6.01E+4	2.8	0.36	7.9E-7	4E-09	n	y
24	0.93	I	6.8	25	M2^f ± 2	3560 ± 300	4.7	0.4	5.73	1.06E+4	2.1	0.31	9.6E-7	6E-09	y	y
25	0.69/0.25^f	I/F	2/22^h	18	M5^f ± 1.5	3200 ± 200	1.9	0.24	4.40	2.13E+4	20	0.91	1.2E-5	···	y	n
26	–0.56	II	2.6	10	K5^e^,^g ± 2	4350 ± 300	1.8	1.11	2.25	1.63E+6	0.8	0.31	6.3E-8	···	y	n
27	–0.55	II	1.1	8	K6^c^,^g ± 1	4200 ± 150	0.9	0.92	1.67	3.07E+6	0.2	0.18	1.1E-8	···	n	n

Notes. Used reference/method:

^(a)

Indicates whether the YSO drives a known jet or CO outflow (Morgan et al. 1991; Dent et al. 1998; Allen & Davis 2008; Davis et al. 2009, and this paper).

^(b)

Indicates whether jet lines have been detected in our spectra.

^(c)

from Strom et al. (1989);

^(d)

from Fang et al. (2009);

^(e)

obtained with SpTclass;

^(f)

obtained with the H₂O broad band features – water breaks;

^(g)

SED modelling;

^(h)

Pre- and outburst values.

^(aa)

Fang et al. (2009): L_bol = 1.9 L_⊙, SpT = K5, M_∗ = 0.9 M_⊙, Age = 7E+5 yr, Ṁ_acc = 1.5 E-8 M_⊙ yr^-1.

^(bb)

Fang et al. (2009): L_bol = 3.6 L_⊙, SpT = K4.5, M_∗ = 0.9 M_⊙, Age = 3E+5 yr, Ṁ_acc = 1.9 E-8 M_⊙ yr^-1. Fischer et al. (2010): L_bol = 23 L_⊙, M_∗ = 2.2 M_⊙, Age = 3E+5 yr, Ṁ_acc = 4 E-7 M_⊙ yr^-1. Strom et al. (1989): SpT = G5–G7.

^(cc)

Alecian et al. (2009): L_∗ = 97.7 L_⊙, SpT = B9, M_∗ = 1.9 M_⊙, R_∗ = 3 R_⊙, Age = 2E+6 yr. Manoj et al. (2006): L_∗ = 93 L_⊙, SpT = A1, M_∗ > 4.9 M_⊙. Hillenbrand et al. (1992): SpT = B9, M_∗ = 3.6 M_⊙, R_∗ = 2.8 R_⊙, Ṁ_acc = 5 E-6 M_⊙ yr^-1.

^(dd)

Fang et al. (2009): L_bol = 4.2 L_⊙, SpT = M0, M_∗ = 0.4 M_⊙, Age = 3E+4 yr, Ṁ_acc = 1.5 E-6 M_⊙ yr^-1.

^(ee)

Fang et al. (2009): L_bol = 60.7 L_⊙, SpT = F7, M_∗ = 3 M_⊙, Age = 1.9E+6 yr.

^(ff)

Fang et al. (2009): L_bol = 4.9 L_⊙, SpT = K1, M_∗ = 1.9 M_⊙, Age = 1.4E+6 yr, Ṁ_acc = 4 E-7 M_⊙ yr^-1.

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