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

Star Page     -     Gl 644A   LHS 428      LTT 6749 Wolf 630 V1054~Oph

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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
16 55 28	- 08 20.2	1.2083	223.3	15.1	M2.5 V J	9.75	1.59	1.37	10.71	155.63 ± 1.81	6.43

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likeli	HR1	HR2	log Lx
1RXS J165529.3-082008	3.968 ± 0.2449	0.000679	445	906	-0.26 ± 0.05	0.17 ± 0.1	29.07

ROSAT Position Sensitive Proportional Counter (PSPC):

Detection Number	Sequence Id	Count Rate	Background	Likeli	OAX	Exposure Time	Observation Time	HR1	HR2	Images	log Lx
2RXP J165529.2-082001	200125 n00.005	3.197 ± 0.0191	0.001075	9999	4	8306	910225 to 910227	-0.19 ± 0.01	-0.09 ± 0.01	rgb rgbd	28.98

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J165528.8-082005	201921 n00.005	0.7133 ± 0.0081	77.1	1	10750	950821 to 950826	rgb rgbd	28.93

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 J1655-081	16 55 30.29	-08 19 36.1	0.074 ± 0.008	0.116 ± 0.012	14.9	15.2	21.3

ROSAT Wide Field Camera (WFC) Pointed Observations:

Source	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	OAX	Significance	Filter	mjd
2	16 55 30.41	+ 08 20 11.0	201921 w00_s1a	0.0862 ± 0.01688	0.4	8.88	S1	49950.68

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