Probing the evolving massive star population in Orion with kinematic and radioactive tracers

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Table 2:

The stars shown in Fig. 1 and their derived properties, using rotating stellar tracks.
Association	HD	Name	Spectral type	Mass (Spec)	Mass (current)	Mass (Initial)	Age
OB1b	36486	$\delta$ Ori A	O9.5II	17.1	21.1	21.4	5.6
OB1b	37468	$\sigma$ Ori A	O9.5V	15.9	19.5	19.6	3.8
OB1b	37742	$\zeta$ Ori A	O9.7Ib	20.3	30.9	34.3	5.5
OB1b	37128	$\epsilon$ Ori A	B0Ia	45.5	34.6	40.8	5.7
OB1c	37043	$\iota$ Ori A	O9III	19.7	26.2	27.3	5.2
OB1c	38771	$\kappa$ Ori	B0.5Ia	27.3	28.0	31.8	6.2
OB1d	37022	$\theta^1$ Ori C	O7Vp	44.8	34.7	35.5	1.8
OB1d	37041	$\theta^2$ Ori A	O9V	27.5	24.0	24.1	2.2
OB1d	37020	$\theta^1$ Ori A	B0.5V	12.8	16.1	16.2	2.4
OB1d	37023	$\theta^1$ Ori D	B0.5V	18.4	17.7	17.7	0.6
OB1d	37042	$\theta^2$ Ori B	B0.5V	9.5	13.4	13.4	0.0
$\lambda$ Ori	36861	$\lambda$ Ori A	O8III	38.8	34.0	37.0	4.2

Notes. Numbers from the Henry Draper catalogue, commonly used names, spectral types are given, together with their spectral mass, and the initial and current masses assuming rotating stellar models.

Source LaTeX | All tables | In the text

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