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

Star Page     -     Gl 669A      G170-035   LTT 15139 Ross 868 V647~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
17 19 54	+ 26 30.0	0.4132	327.6	-33.6	M3.5 V	11.42	1.56	1.49	11.28	93.8 ± 2.1	10.66

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likeli	HR1	HR2	log Lx
1RXS J171953.4+262958	0.5944 ± 0.03067	0.001208	691	1010	-0.16 ± 0.05	0.02 ± 0.08	28.69

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J171954.3+263001	201931 n00.002	0.1389 ± 0.00675	13.6	1	3047	950214 to 950220	rgb rgbd	28.66
1RXH J171953.0+263002	800875 a01.015	0.1406 ± 0.00778	18	8	2516	970815 to 970815	rgb rgbd	28.66
1RXH J171954.2+263001	800875 a02.001	0.1924 ± 0.00689	18.2	9	4601	980307 to 980307	rgb rgbd	28.8
1RXH J171954.6+262959	800875 n00.001	0.1461 ± 0.00714	13.3	9	3339	970321 to 970324	rgb rgbd	28.68

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