MBM 12: young protoplanetary discs at high galactic latitude

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Volume 497 / No 2 (April II 2009)

A&A, 497 2 (2009) 379-392

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Table 1:

Target coordinates and parameters.
Object	Alternative name	$\alpha$ (2000.0)	$\delta$ (2000.0)	Spectral	$T_{{\rm eff}}$	Eq. Width^a	Class^b	Multiplicity	Projected^c
		(h m s)	( $^\circ$ $^\prime$ $^{\prime\prime}$ )	type	(K)	H $\alpha$		status	separation ( $^{\prime\prime}$ )
MBM 12-1	RX J0255.4+2005	02 55 25.78	20 04 51.7	K6	4205	-1	WTTS	B	0.533
MBM 12-2	LkH $\alpha$ 262	02 56 07.99	20 03 24.3	M0	3850	-40	CTTS	(Q)^e	15.3
MBM 12-3	LkH $\alpha$ 263 (A-B/B-C)	02 56 08.42	20 03 38.6	M3	3415	-25	CTTS	T	0.416/4.1
MBM 12-4	LkH $\alpha$ 264	02 56 37.56	20 05 37.1	K5	4350	-18	CTTS	B	9.160
MBM 12-5	E 02553+2018	02 58 11.23	20 30 03.5	K3	4660	-3	W/CTTS^f	B	1.144
MBM 12-6	RX J0258.3+1947	02 58 16.09	19 47 19.6	M5	3200	-29	CTTS	S	-
MBM 12-7	RX J0256.3+2005	02 56 17.98	20 06 09.9	M5.75	3024	-14	WTTS	-	-
MBM 12-8	-	02 57 49.02	20 36 07.8	M5.5	3058	-120	CTTS	-	-
MBM 12-9	-	02 58 13.37	20 08 25.0	M5.75	3024	-10	WTTS	-	-
MBM 12-10	-	02 58 21.10	20 32 52.7	M3.25	3379	-12	WTTS	B	0.390
MBM 12-11	-	02 58 43.80	19 40 38.3	M5.5	3058	-14	WTTS	-	-
MBM 12-12	S 18 (A-B/Ba-Bb)	03 02 21.05	17 10 34.2	M3	3415	-69	CTTS	T	0.747/0.063

^a H $\alpha$ equivalent width of the primary from Luhman (2001). A negative equivalent width means emission; the width is given in angstroms, Å.
^b T Tauri Class as derived by us (see Sect. 2.1).
^c From Chauvin et al. (2002) and Brandeker et al. (2003).
^d S: single, B: binary, T: triple and Q: quadruple.
^e Possible companion to LkH $\alpha$ 263 ABC.
^f On the border between weak-line and classical TTS, see target notes in Sect. 2.1.

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