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

Star Page     -     NS 1640+3619   HIP 81655   LTT 14949

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ROSAT Survey Field Image Browser     SIMBAD entry

Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Spectral Type	B	V	J	Ks	H	Distance [ pc ]
16 40 48.92	+36 18 59.94	0.228	322	M2	13.01	11.51	8.09	7.44	7.2	19.28

XMM-Newton Pointed Observations:

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J164048.9+361900	0085280301 11	2002-01-28T02:31 to 2002-01-28T06:56	198.29	27.33	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Medium	0.02813 ± 0.00376	11161	105.05	14.397	0.225 ± 0.123	-0.8 ± 0.123	-0.562 ± 0.595	0.397 ± 0.918	27.4
M1	Medium	0.0075 ± 0.00149	16086	42.95	13.762	0.041 ± 0.196	-0.465 ± 0.223	-1 ± 0.386		27.28
M2	Medium	0.00761 ± 0.00147	16502	52.97	14.567	0.384 ± 0.172	-0.699 ± 0.188	-1 ± 0.831		27.28

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J164048.9+361900	0085280801 19	2002-01-30T03:00 to 2002-01-30T07:01	43.06	27.39	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Medium	0.03934 ± 0.01179	1770	11.45	14.419	0.289 ± 0.276	-0.83 ± 0.25	-1 ± 2.684		27.36
M1	Medium	0.00466 ± 0.00173	12272	8.45	13.806	0.639 ± 0.314	-0.698 ± 0.333	-0.362 ± 1.145	-1 ± 5.469	27.09
M2	Medium	0.01083 ± 0.00256	13208	25.7	14.628	0.034 ± 0.237	-0.262 ± 0.283	-1 ± 0.45	1 ± 0.282	28.03

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 J164049.4+361857	300181 n00.092	0.00373 ± 0.00041	0.00115	127	13	38727	1992-09-04 to 1992-09-07	-0.48 ± 0.07	-0.18 ± 0.14	rgb rgbd	27

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J164049.0+361857	300547 n00.002	0.00218 ± 0.00057	3.4	13	38457	1997-07-27 to 1997-09-21	rgb rgbd	27.37

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