The He I λ10830 Å line as a probe of winds and accretion in young stars in Lupus and Upper Scorpius

Home

All issues

Volume 666 (October 2022)

A&A, 666 (2022) A188

Full HTML

Open Access

Table 2

Observed profile types, emission centroid velocity and absorption centroid velocities in the Upper Scorpius sample.

Object	Fit	Profile Type	V_em (km s⁻¹)	V_abs (km s⁻¹)	R_* (R_⊙)	V_esc (km s⁻¹)	V_ff (km s⁻¹)
2MASSJ15534211-2049282		iPCy	−87.78	23.79	0.99	304.57	276.14
2MASSJ15583692-2257153	M	PCy	11.34	−80.22	1.79	589.50	534.48
2MASSJ16001844-2230114	M	PCy	45.14	−274.83	0.98	279.34	253.27
2MASSJ16035767-2031055		PCy	11.78	−69.55	1.33	510.01	462.41
2MASSJ16035793-1942108		DA		14.11	0.87	428.31	388.34
				144.62
2MASSJ16041740-1942287		Combo	71.3	−12.68	0.95	352.99	320.04
				150.68
2MASSJ16041893-2430392		Combo	48.95	−9.45	1.77	282.67	256.29
				157.44
2MASSJ15354856-2958551 E		iPCy	−11.78	106.82	1.03	272.08	246.69
2MASSJ15354856-2958551 W		iPCy	−0.33	126.56	1.03	272.08	246.69
2MASSJ15514032-2146103	M	Abs		49.37	0.73	315.37	285.93
2MASSJ15530132-2114135		iPCy	−55.62	118.21	0.73	315.37	285.93
2MASSJ15582981-2310077	M	Combo	−27.6	−100.0	0.73	315.37	285.93
				101.87
2MASSJ16014086-2258103	M	LVA	−10.73	−27.51	0.99	345.39	313.15
2MASSJ16020757-2257467		Combo	35.15	−44.86	0.79	460.95	417.92
				137.56
2MASSJ16024152-2138245		Combo	−6.25	−124.45	0.62	272.31	246.89
				124.24
2MASSJ16054540-2023088		Combo	1.66	−34.35	1.03	272.08	246.69
				124.78
2MASSJ16062196-1928445		Combo	34.11	−73.48	1.42	351.83	318.99
				191.51
2MASSJ16063539-2516510	M	iPCy	−78.39	−5.61	0.56	348.77	316.22
2MASSJ16064385-1908056		DA		−78.86	1.09	535.63	485.64
				118.42
2MASSJ16072625-2432079		iPCy	−56.43	70.64	1.25	297.81	270.01
2MASSJ16081566-2222199		PCy	48.59	−8.53	1.00	395.08	358.21
2MASSJ16082324-1930009	M	LVA	−27.51	13.66	1.33	414.53	375.84
2MASSJ16082751-1949047	M	iPCy	−64.12	0.0	0.87	247.33	224.25
2MASSJ16090002-1908368		iPCy	−43.78	115.16	0.73	315.37	285.93
2MASSJ16090075-1908526	M	iPCy	−57.09	50.0	1.35	411.62	373.20
2MASSJ16095361-1754474	M	iPCy	−72.74	126.61	0.56	348.77	316.22
2MASSJ16104636-1840598		Combo	27.89	−67.28	0.65	333.46	302.34
				114.3
2MASSJ16111330-2019029		Combo	−23.26	−177.56	0.52	445.84	404.23
				123.46
2MASSJ16123916-1859284	M	PCy	0.0	−62.801	1.19	400.18	362.83
2MASSJ16133650-2503473	M	LVA	−13.8	−30.13	0.95	358.63	325.16
2MASSJ16135434-2320342	M	Combo	−12.73	−25.74	1.13	259.96	235.69
				136.06
2MASSJ16141107-2305362		Abs		−48.91	1.62	542.01	491.42
2MASSJ16143367-1900133		Combo	−38.24	−137.23	2.10	229.36	207.96
				68.81
2MASSJ16154416-1921171	M	iPCy	−115.87	59.07	1.21	504.34	457.27
2MASSJ16181904-2028479	M	iPCy	−80.19	−18.31	0.84	270.03	244.82

Notes. Stellar radii and the calculated escape and free-fall velocities are also listed. An ‘M’ in column 2 is spectra that was fit using manually defined initial guesses.

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.