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

Star Page     -     GJ 1245A   LHS 3494   G208-044   V1581~Cyg

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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
19 53 54	+ 44 24.9	0.735	142.6	11	M5.5 V J	13.47	1.92	2.01	15.18	220.2 ± 1	4.54

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likeli	HR1	HR2	log Lx
1RXS J195354.7+442454	0.1982 ± 0.01699	0.000849	797	331	-0.37 ± 0.08	-0.18 ± 0.15	27.47

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J195354.8+442450	201923 n00.001	0.06093 ± 0.00484	10.2	1	2637	950410 to 950410	rgb rgbd	27.56
1RXH J195354.6+442456	202165 a01.001	0.03671 ± 0.00526	5	1	1354	960428 to 960501	rgb rgbd	27.34
1RXH J195353.9+442457	202165 n00.001	0.02627 ± 0.00312	6.8	1	2849	951015 to 951015	rgb rgbd	27.19

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