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

Star Page     -     NS 2256+1633   GJ 880   LHS 533   G 067-037   HIP 113296   HD 216899   BD+15 4733   LTT 16744

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ROSAT Survey Field Image Browser     SIMBAD entry

Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Radial Velocity	Spectral Type	U	B	V	Rc	Ic	J	Ks	H	Distance [ pc ]
22 56 34.96	+16 33 12.40	1.071	254.7	-19	M1.5V	11.34	10.17	8.66	7.69	6.57	5.37	4.74	4.53	6.86

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J225635.3+163332	0.03605 ± 0.01094	0.00062	419	20	-0.34 ± 0.28	0.65 ± 1.44	27.09

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 J225633.5+163315	700076 n00.002	0.01885 ± 0	0.00117	30	45	3812	1991-11-28 to 1991-11-29	-0.63 ± 0.13	0.18 ± 0.4	rgb rgbd	26.8
2RXP J225636.1+163303	700759 n00.002	0.01994 ± 0	0.00117	57	45	4422	1992-05-27 to 1992-05-27	-0.48 ± 0.08	-0.15 ± 0.18	rgb rgbd	26.83

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 2254.2+1618	22 56 38.3	+16 33 40	5987 4655	0.028 ± 0.004	2854.8	7.3	0.4	1980-06-15 to 1980-06-15	gif FITS	Events

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