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

Star Page     -     Gl 277A      G087-044   VV~Lyn

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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
07 31 58	+ 36 13.2	0.3096	226.5	1.3	M2.5	10.59	1.48	1.36	10.3	87.43 ± 3.87	11.44

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likeli	HR1	HR2	log Lx
1RXS J073157.1+361340	1.006 ± 0.04852	0.000728	455	1490	-0.2 ± 0.04	0 ± 0.07	28.98

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J073157.7+361311	201926 n00.002	0.1018 ± 0.00681	13.7	1	2206	941005 to 941005	rgb rgbd	28.58

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 J0731+361	07 31 58.21	+36 14 07.7	0.026 ± 0.005	0.02 ± 0.006	9.3	3.9	10.1

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