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

Star Page     -     CNS3 9638         LTT 15564 V775~Her

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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
18 55 53	+ 23 33.4	0.3118	155.2	10.3	K2	8.16	0.91	0.53	6.5	46.64 ± 1.03	21.44

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likeli	HR1	HR2	log Lx
1RXS J185557.3+233410	1.878 ± 0.05236	0.000733	648	3990	-0.11 ± 0.02	-0.02 ± 0.04	29.79

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 J185553.3+233327	200917 n00.003	2.267 ± 0.0334	0.0009	9999	3	2078	930408 to 930408	-0.1 ± 0.01	-0.02 ± 0.02	rgb rgbd	29.87

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 J1855+233	18 55 53.72	+23 33 34.6	0.036 ± 0.004	0.058 ± 0.007	15.2	12.2	19.5

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