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

Star Page     -     Gl 699   LHS 57   G140-024   Barnard's star

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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
17 57 49	+ 04 41.6	10.369	355.6	-110.8	M4 V	9.55	1.74	1.57	13.25	549.01 ± 1.58	1.82

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likeli	HR1	HR2	log Lx
1RXS J175749.5+043955	0.02976 ± 0.01106	0.001694	399	13	-0.74 ± 0.29	-1 ± 0.61	25.85

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 J175748.5+044004	200128 n00.005	0.02337 ± 0.00262	0.00185	105	7	4127	910303 to 910303	-0.86 ± 0.05	-0.29 ± 0.39	rgb rgbd	25.74

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