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

Star Page     -     NS 1819-6353   HIP 89805   HD 167425   HR 6828   CD-63 1343   LTT 7265

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ROSAT Survey Field Image Browser     SIMBAD entry

Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Radial Velocity	Spectral Type	B	V	Distance [ pc ]
18 19 40.15	-63 53 11.64	0.279	172	0	F9V	6.76	6.18	22.95

XMM-Newton Pointed Observations:

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J181940.1-635309	0146340501 1	2003-03-22T20:09 to 2003-03-23T01:24	999.9999	29.02	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Medium	1.1784 ± 0.03863	1560	999.9999	7.953	0.503 ± 0.03	-0.691 ± 0.027	-0.965 ± 0.037	0.083 ± 0.855	29.01
M1	Medium	0.32571 ± 0.01312	3172	999.9999	7.568	0.59 ± 0.035	-0.62 ± 0.035	-0.896 ± 0.052	-1 ± 1.102	29.06
M2	Medium	0.29411 ± 0.01401	3328	999.9999	8.539	0.524 ± 0.046	-0.525 ± 0.045	-0.955 ± 0.041	-1 ± 0.956	29.01

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J181940.1-635309	0146340601 1	2003-04-16T18:00 to 2003-04-16T22:35	999.9999	29	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Medium	1.13163 ± 0.01848	6850	999.9999	7.646	0.514 ± 0.015	-0.718 ± 0.013	-0.925 ± 0.021	-1 ± 0.128	28.98
M1	Medium	0.29928 ± 0.00755	8320	999.9999	7.547	0.606 ± 0.022	-0.618 ± 0.022	-0.941 ± 0.025	-1 ± 0.361	29.02
M2	Medium	0.29541 ± 0.00762	8840	999.9999	8.585	0.582 ± 0.023	-0.547 ± 0.024	-0.981 ± 0.016	-1 ± 0.804	29.01

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J181941.1-635311	0.2322 ± 0.04936	0.00158	119	44	-0.28 ± 0.2	-1 ± 0.33	28.94

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