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

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Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Radial Velocity	Spectral Type	U	B	V	Ic	J	Ks	H	Distance [ pc ]
21 06 54.78	+38 44 31.38	5.172	52.6	-63.5	K7V	8.62	7.4	6.03	4.41	3.49	2.84	2.7	3.5

XMM-Newton Pointed Observations:

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J210656.2+384439	0041740301 2	2002-11-17T23:43 to 2002-11-18T01:52	999.9999	26.65	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thick	0.17071 ± 0.0057	7568	999.9999	1.311	0.259 ± 0.033	-0.772 ± 0.027	-0.943 ± 0.056	-1 ± 0.863	26.67
M1	Thick	0.03601 ± 0.00242	9272	392.31	0.28	0.248 ± 0.07	-0.57 ± 0.068	-0.979 ± 0.047	0.515 ± 0.967	26.61
M2	Thick	0.03858 ± 0.00236	9272	546.22	0.983	0.357 ± 0.06	-0.672 ± 0.054	-1 ± 0.083	1 ± 4.404	26.63

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J210656.6+384444	0041740901 2	2003-05-12T15:22 to 2003-05-12T17:03	999.9999	26.6	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thick	0.14974 ± 0.00641	5320	999.9999	0.917	0.146 ± 0.043	-0.861 ± 0.031	-1 ± 0.144		26.61
M1	Thick	0.02936 ± 0.00252	6448	242.47	0.452	0.173 ± 0.086	-0.81 ± 0.069	-0.746 ± 0.253	-1 ± 2.457	26.52
M2	Thick	0.03734 ± 0.00287	6587	321.99	1.469	0.367 ± 0.077	-0.707 ± 0.064	-1 ± 0.053		26.6

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J210656.6+384444	0041741001 2	2003-11-22T01:13 to 2003-11-22T03:05	999.9999	26.83	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thick	0.25434 ± 0.00739	6698	999.9999	1.394	0.33 ± 0.029	-0.75 ± 0.023	-0.913 ± 0.052	-0.244 ± 0.528	26.85
M1	Thick	0.06126 ± 0.00316	8175	747.17	0.374	0.381 ± 0.052	-0.586 ± 0.049	-1 ± 0.018	1 ± 1.722	26.82
M2	Thick	0.05845 ± 0.00308	8179	770.79	0.941	0.326 ± 0.053	-0.604 ± 0.05	-1 ± 0.037	1 ± 1.454	26.81

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J210656.6+384444	0041741101 2	2004-05-01T15:39 to 2004-05-01T19:13	999.9999	26.8	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thick	0.23944 ± 0.00505	12788	999.9999	0.802	0.295 ± 0.021	-0.686 ± 0.019	-0.881 ± 0.031	-0.602 ± 0.288	26.82
M1	Thick	0.05632 ± 0.00224	14245	999.9999	0.518	0.309 ± 0.041	-0.554 ± 0.04	-0.942 ± 0.043	-1 ± 0.349	26.78
M2	Thick	0.05288 ± 0.00254	14247	951.5	1.493	0.367 ± 0.051	-0.486 ± 0.049	-0.786 ± 0.07	-0.778 ± 0.252	26.76

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J210656.6+384444	0143630101 1	2004-11-02T23:31 to 2004-11-03T03:22	999.9999	27.75	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thick	2.05526 ± 0.01312	13906	999.9999	1.579	0.417 ± 0.007	-0.472 ± 0.007	-0.764 ± 0.009	-0.877 ± 0.024	27.77
M1	Thick	0.48287 ± 0.00573	15973	999.9999	0.568	0.503 ± 0.013	-0.23 ± 0.013	-0.777 ± 0.013	-0.9 ± 0.032	27.71
M2	Thick	0.49576 ± 0.00577	15976	999.9999	0.936	0.511 ± 0.012	-0.268 ± 0.013	-0.773 ± 0.013	-0.89 ± 0.032	27.72

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J210656.6+384444	0143630401 2	2005-04-23T14:09 to 2005-04-23T16:18	999.9999	26.69	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thick	0.19629 ± 0.0067	5892	999.9999	0.794	0.153 ± 0.035	-0.811 ± 0.026	-0.863 ± 0.097	-1 ± 0.588	26.73
M1	Thick	0.03794 ± 0.00237	8840	647.47	0.675	0.29 ± 0.062	-0.733 ± 0.054	-0.952 ± 0.082	-1 ± 2.072	26.62
M2	Thick	0.04173 ± 0.00263	8892	647.08	1.641	0.218 ± 0.064	-0.758 ± 0.054	-0.818 ± 0.149	-1 ± 0.797	26.67

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J210652.2+384416	0.4217 ± 0.03003	0.00117	543	452	-0.72 ± 0.04	-0.48 ± 0.16	27.57

ROSAT Position Sensitive Proportional Counter with filter (PSPCF):

Detection Number	Sequence Id	Count Rate	Background	Likeli	OAX	Exposure Time	Observation Date	HR1	HR2	Images	log Lx
2RXF J210651.9+384421	200793 n00.004	0.05747 ± 0.00343	0.00035	1282	1	4934	1992-05-02 to 1992-05-03	-0.11 ± 0.06	-0.13 ± 0.09	rgb rgbd	27.4

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J210653.1+384413	201152 n00.002	0.02779 ± 0.00329	7.7	1	2695	1993-06-10 to 1993-06-13	rgb rgbd	26.99
1RXH J210653.9+384418	201948 a01.002	0.02626 ± 0.00242	9.5	2	4742	1995-06-12 to 1995-06-12	rgb rgbd	26.97
1RXH J210653.3+384418	201948 n00.002	0.0257 ± 0.00498	4.9	1	1118	1994-11-09 to 1994-11-09	rgb rgbd	26.96
1RXH J210653.3+384417	201950 n00.002	0.02439 ± 0.00196	11.4	1	6688	1994-11-08 to 1994-11-09	rgb rgbd	26.93
1RXH J210653.4+384419	202236 n00.002	0.01588 ± 0.00164	9.1	1	6488	1995-12-14 to 1995-12-14	rgb rgbd	26.75
1RXH J210654.1+384418	202238 n00.002	0.01297 ± 0.00158	7.2	2	5944	1996-05-21 to 1996-05-21	rgb rgbd	26.66
1RXH J210653.8+384422	202345 n00.002	0.01384 ± 0.00185	6.9	1	4580	1996-11-14 to 1996-11-15	rgb rgbd	26.69
1RXH J210654.1+384423	202347 a01.002	0.01077 ± 0.00252	4.2	1	1873	1997-11-04 to 1997-11-04	rgb rgbd	26.58
1RXH J210654.6+384420	202347 n00.002	0.01426 ± 0.00244	4.9	2	2752	1997-05-03 to 1997-05-04	rgb rgbd	26.7

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 J2106+384	21 06 51.28	+38 43 59.7	0.01 ± 0	0.02 ± 0	6	0	6

ROSAT Wide Field Camera (WFC) Pointed Observations:

Source	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	OAX	Significance	Filter	Observation Date
2	21 06 51.44	+ 38 44 38.1	201152 w00_s1a	0.03401 ± 0.0142	0.8	4.43	S1	1993-06-10T12:00

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J2106+387	21 06 52	+38 44 18	0.02

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 2104.9+3832	21 06 50.3	+38 43 39	3116 4446	0.084 ± 0.01	1263.8	8.6	2.9	1979-06-21 to 1979-06-21	gif FITS	Events

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