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

Star Page - NS 1337+4808 C GJ 520 C NLTT 34706

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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	Distance [ pc ]

13 37 40.44	+48 07 54.14	0.272	239.3	M4	16	14.47	22.53

XMM-Newton Pointed Observations:


Detection Number	Sequence Id	Observation Time	Likelihood	log L_x	ESAC Links

2XMM J133740.3+480754	0055990501 2	2002-05-15T10:24 to 2002-05-15T15:33	999.9999	28.02	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log L_x
PN	Thin1	0.13309 ± 0.00476	15293	999.9999	10.704	0.243 ± 0.037	-0.639 ± 0.035	-0.713 ± 0.076	-1 ± 0.529	28.03
M1	Thin1	0.03576 ± 0.00254	19183	613.68	10.5	0.259 ± 0.074	-0.468 ± 0.075	-0.793 ± 0.13	-1 ± 1.306	28.08
M2	Thin1	0.03086 ± 0.00192	19139	796.61	9.459	0.354 ± 0.068	-0.292 ± 0.069	-0.839 ± 0.072	-1 ± 0.385	28.01

ROSAT All-Sky Survey (RASS):


Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log L_x

1RXS J133750.6+480831	0.03045 ± 0.01103	0.00153	557	10	-0.74 ± 0.21	-0.03 ± 1.16	28.05

ROSAT Position Sensitive Proportional Counter (PSPC):


Detection Number	Sequence Id	Count Rate	Background	Likeli	OAX	Exposure Time	Observation Time	HR1	HR2	Images	log L_x

2RXP J133740.7+480754	700473 n00.036	0.03809 ± 0.00216	0.00118	629	11	8915	1991-11-25 to 1991-11-26	-0.31 ± 0.05	0.02 ± 0.09	rgb rgbd	28.14

ROSAT High Resolution Imager (HRI):


Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log L_x

1RXH J133740.7+480756	700204 n00.001	0.00819 ± 0.00206	3.6	12	3483	1991-12-06 to 1991-12-09	rgb rgbd	28.08
1RXH J133740.6+480756	700871 n00.002	0.00651 ± 0.00109	4.7	10	9468	1992-06-24 to 1992-06-24	rgb rgbd	27.98
1RXH J133740.2+480754	702630 n00.002	0.00697 ± 0.00054	9.6	10	39447	1996-06-28 to 1996-07-06	rgb rgbd	28.01

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