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

Star Page - NS 1736+6820 GJ 687 LHS 450 G 258-011 HIP 86162 BD+68 946 LTT 15232

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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	R_c	I_c	J	K_s	H	Distance [ pc ]

17 36 25.94	+68 20 21.22	1.309	194.2	-23.2	M3.5V	11.76	10.65	9.15	8.08	6.68	5.31	4.74	4.52	4.54

ROSAT All-Sky Survey (RASS):


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

1RXS J173627.2+682031	0.06205 ± 0.00407	0.00105	5788	374	-0.62 ± 0.04	-0.36 ± 0.12	26.96

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 J173626.9+682016	999989 n00.008	0.1175 ± 0.00638	0.00088	1904	0	2964	1998-02-19 to 1998-02-19	-0.35 ± 0.05	-0.1 ± 0.09	rgb rgbd	27.24
2RXP J173627.4+682034	999995 a01.009	0.04649 ± 0.00371	0.00104	733	0	4032	1994-05-31 to 1994-07-06	-0.7 ± 0.05	0 ± 0.18	rgb rgbd	26.84
2RXP J173626.6+682028	999995 a02.004	0.04341 ± 0.00684	0.00108	51	0	1090	1997-02-03 to 1997-03-02	-0.8 ± 0.08	0 ± 0	rgb rgbd	26.81
2RXP J173627.2+682025	999995 n00.012	0.0623 ± 0.00334	0.00092	1259	0	6274	1994-02-27 to 1994-05-05	-0.65 ± 0.04	-0.45 ± 0.1	rgb rgbd	26.96

ROSAT High Resolution Imager (HRI):


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

1RXH J173626.0+682029	999993 a01.002	0.01099 ± 0.00124	8.5	1	8435	1995-07-30 to 1995-10-09	rgb rgbd	26.81
1RXH J173625.9+682026	999993 a03.001	0.00891 ± 0.00208	3.4	1	2512	1996-08-28 to 1996-09-07	rgb rgbd	26.72
1RXH J173625.8+682021	999993 a04.003	0.01353 ± 0.00112	11.8	1	12326	1997-02-01 to 1997-03-02	rgb rgbd	26.9
1RXH J173625.5+682023	999993 a05.002	0.02035 ± 0.0012	15.3	1	15193	1997-05-15 to 1997-10-14	rgb rgbd	27.08
1RXH J173626.5+682027	999993 n00.001	0.01583 ± 0.00214	6.6	1	3670	1993-12-22 to 1994-06-06	rgb rgbd	26.97

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 1736.8+6823	17 36 31.7	+68 20 57	8812 3930	0.058 ± 0.015	988.2	3.7	33.4	1980-05-29 to 1980-05-29	gif FITS	Events

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