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

Star Page     -     NS 1757+0441   GJ 699   LHS 57   G 140-024   HIP 87937   BD+04 3561a   V2500 Oph Barnards Star

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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	U	B	V	Rc	Ic	J	Ks	H	Distance [ pc ]
17 57 48.49	+04 41 36.32	10.358	355.6	-106.8	M4Ve	12.54	11.28	9.54	8.31	6.74	5.27	4.77	4.51	1.83

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J175749.5+043955	0.02976 ± 0.01106	0.00169	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	1991-03-03 to 1991-03-03	-0.86 ± 0.05	-0.29 ± 0.39	rgb rgbd	25.75

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