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

Star Page     -     NS 1719+2630 B   GJ 669 B   G 170-034   V639 Her

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ROSAT Survey Field Image Browser     SIMBAD entry

Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Spectral Type	U	B	V	Rc	Ic	J	Ks	H	Distance [ pc ]
17 19 52.98	+26 30 02.83	0.413	327.6	M4.5	15.3	14.67	13.02	11.63	9.88	8.21	7.63	7.36	10.8

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J171953.4+262958	0.5944 ± 0.03067	0.00121	691	1010	-0.16 ± 0.05	0.02 ± 0.08	28.7

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J171953.0+263000	201931 n00.001	0.1358 ± 0.00668	13.9	1	3047	1995-02-14 to 1995-02-20	rgb rgbd	28.66
1RXH J171953.0+263002	800875 a01.015	0.1406 ± 0.00778	18	8	2516	1997-08-15 to 1997-08-15	rgb rgbd	28.67
1RXH J171953.8+263000	800875 a02.027	0.1932 ± 0.00691	28.1	9	4601	1998-03-07 to 1998-03-07	rgb rgbd	28.81
1RXH J171954.0+263000	800875 n00.020	0.1493 ± 0.00722	20.3	9	3339	1997-03-21 to 1997-03-24	rgb rgbd	28.7

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J1719+264	17 19 53	+26 29 60	0.03

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 1717.9+2633	17 19 56.0	+26 29 51	3091 3884	0.164 ± 0.01	2943.5	16.6	15.1	1979-03-27 to 1979-08-29	gif FITS	Events

Einstein High Resolution Imager (HRI):

RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	Exposure Time	SNR	Observation Date	Images	Data
17 19 54	+26 29 57	7627 4	0.06059 ± 0.00591	4557.76	10.25	1980-08-18 to 1980-08-18	gif FITS	Events

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