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

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Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Radial Velocity	Spectral Type	B	V	Distance [ pc ]
11 18 11.00	+31 31 46.45	0.733	216.1	-18.2	G0V	4.37	3.78	8.37

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J111811.1+313154	4.539 ± 0.1575	0.00135	192	3380	-0.21 ± 0.03	-0.12 ± 0.05	29.36

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 J1118+313	11 18 10.06	+31 31 43.2	0.08 ± 0.01	0.09 ± 0.01	15	10.6	18.3

ROSAT Wide Field Camera (WFC) Pointed Observations:

Source	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	OAX	Significance	Filter	Observation Date
2	11 18 10.16	+ 31 30 52.1	201387 w00_s2b	0.18001 ± 0.02921	111.6	9.97	S2	1993-05-17T12:00

EUVE All-Sky Survey:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate	156-234 Å Count Rate	368-590 Å Count Rate	519-742 Å Count Rate
EUVE J1118+315	11 18 13	+31 31.5	0.154 ± 0.019	0.044 ± 0.021	0.036 ± 0.015

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J1118+315	11 18 11	+31 31 59	0.15

Einstein Imaging Proportional Counter (IPC):

Detection Number	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	Exposure Time	SNR	OAX	Observation Date	Images	Data
2E 1115.5+3148	11 18 11.3	+31 31 53	5189 2440	0.873 ± 0.033	1893.2	26.1	0.7	1979-12-05 to 1979-12-05	gif FITS	Events

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