NEXXUS 2 - The database for Nearby X-ray and extreme UV emitting Stars

Star Page     -     NS 1131-4102   GJ 431   LHS 2423   HIP 56244   V857 Cen

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ROSAT Survey Field Image Browser     SIMBAD entry

Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Spectral Type	U	B	V	Rc	Ic	J	Ks	H	Distance [ pc ]
11 31 46.55	-41 02 47.22	0.736	283.4	M4.5V:e	14	12.9	11.5	10.36	8.88	7.32	6.78	6.53	10.49

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J113147.3-410248	0.6624 ± 0.06022	0.00103	210	440	-0.38 ± 0.07	0.3 ± 0.14	28.72

EUVE All-Sky Survey:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate	156-234 Å Count Rate	368-590 Å Count Rate	519-742 Å Count Rate
EUVE J1131-410	11 31 52	-41 02.8	0.053 ± 0.009	0.027 ± 0.011		0.073 ± 0.033

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J1131-410	11 31 47	-41 02 50	0.05

Last modified on Tuesday, 28 October 2008.   C. Liefke | Impressum