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

Star Page     -     Gl 803         AU~Mic LDS 720

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ROSAT Survey Field Image Browser      Simbad Objects

Star Information:

RA (2000.0)	DE (2000.0)	Mu	Theta	Radial Velocity	Spectral Type	V	B-V	R-I	MV	Pi	Distance
20 45 10	- 31 20.5	0.4564	142.1	-4.6	M0 V e	8.79	1.45	1.1	8.8	100.59 ± 1.35	9.94

XMM-Newton Observations:

Detection Number	Sequence Id	Observation Time	Exposure Time	Likelihood	log Lx
1XMMJ204509.6-312028	111420101 1	2000-10-13T15:26:28 to 2000-10-14T06:48:07	55296	999.9999	29.65

PN data not included in the catalogue. See introduction for details.
MOS2 data not included in the catalogue. See introduction for details.

Detector	Filter	Count Rate	Likelihood	OAX	Vignetting	HR1	HR2	HR3	log Lx
M1	Thick	2.875 ± 0.005963	999.9999	0.2294	0.99177	0.67281 ± 0.00191	-0.91682 ± 0.00116	-0.85865 ± 0.0069	29.65

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likeli	HR1	HR2	log Lx
1RXS J204509.4-312023	5.952 ± 0.1208	0.001323	414	9999	-0.07 ± 0.02	0.06 ± 0.03	29.63

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J204509.3-312025	200016 n00.005	0.7768 ± 0.00997	71.6	1	7717	910501 to 910504	rgb rgbd	29.34

ROSAT Wide Field Camera (WFC) All-Sky Survey:

Detection Number	RA (2000.0)	DE (2000.0)	S1 Count Rate	S2 Count Rate	Significance S1	Significance S2	Significance
2RE J2045-312	20 45 10.33	-31 20 00.9	0.161 ± 0.014	0.119 ± 0.017	26.2	10	28.1

ROSAT Wide Field Camera (WFC) Pointed Observations:

Source	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	OAX	Significance	Filter	mjd
3	20 45 10.69	- 31 20 09.3	200436 w00_s1a	0.09836 ± 0.01574	78.3	8.84	S1	48376.76
1	20 45 11.81	- 31 20 40.6	701909 w00_s1a	0.08937 ± 0.02379	96.6	6.17	S1	49641.66

Last modified on Thursday, 23 October 2003.   C. Liefke | Impressum