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

Star Page     -     NS 1457-2124 A   GJ 570 A   LHS 387   HIP 73184   HD 131977   HR 5568   BD-20 4125   KX Lib

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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 ]
14 57 27.89	-21 24 55.46	2.012	149.1	25.9	K4V	10.79	6.85	5.74	4.94	4.3	4.75	4.14	3.93	5.89

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J145732.0-212519	0.1731 ± 0.07081	0.00144	44	9	-1 ± 0.49	-1 ± 0	27.63

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 J145727.7-212446	190419 n00.002	0.2209 ± 0	0.00114	191	33	531	1997-02-18 to 1997-02-18	0 ± 0	0 ± 0	rgb rgbd	27.74
2RXP J145727.9-212448	190421 n00.001	0.1559 ± 0	0.00105	267	21	702	1997-02-21 to 1997-02-21	-0.71 ± 0.05	-0.2 ± 0.19	rgb rgbd	27.59
2RXP J145727.3-212442	190423 n00.006	0.1999 ± 0	0.00141	378	38	820	1997-02-18 to 1997-02-18	-0.77 ± 0.06	-0.33 ± 0.25	rgb rgbd	27.7
2RXP J145729.0-212451	800377 a01.010	0.2122 ± 0	0.00151	871	40	3730	1993-01-26 to 1993-01-28	-0.62 ± 0.03	-0.41 ± 0.08	rgb rgbd	27.72
2RXP J145729.0-212448	800377 n00.015	0.238 ± 0	0.0013	1305	40	5321	1992-08-14 to 1992-08-15	-0.5 ± 0.02	-0.12 ± 0.05	rgb rgbd	27.77

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J145727.6-212445	201159 a01.002	0.04422 ± 0.00499	8.1	2	1789	1993-02-17 to 1993-02-17	rgb rgbd	27.64
1RXH J145727.4-212441	201159 n00.003	0.04076 ± 0.00413	9.4	2	2443	1992-07-31 to 1992-08-01	rgb rgbd	27.61

Einstein High Resolution Imager (HRI):

RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	Exposure Time	SNR	Observation Date	Images	Data
14 57 27	-21 24 22	5568 2	0.011 ± 0.00294	2292.48	3.74	1980-02-18 to 1980-02-18	gif FITS	Events

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