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

Star Page     -     Gl 305         ALF~Cha

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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
08 18 32	- 76 55.1	0.1533	45.8	-13.2	F6 IV	4.07	0.4	0.24	2.62	51.4 ± 0.49	19.46

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likeli	HR1	HR2	log Lx
1RXS J081830.5-765514	0.2295 ± 0.02204	0.000772	560	257	-0.12 ± 0.09	-0.31 ± 0.13	28.8

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 J081833.6-765512	201489 n00.007	0.2325 ± 0.00845	0.0008	4117	0	3422	931130 to 931201	-0.1 ± 0.04	-0.38 ± 0.05	rgb rgbd	28.8
2RXP J081830.5-765458	300131 n00.012	0.1264 ± 0	0.000819	531	44	2281	920408 to 920414	-0.2 ± 0.05	-0.1 ± 0.08	rgb rgbd	28.54

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