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

Star Page     -     NS 0831+1923 A   GJ 2069 A   G 009-008   HIP 41824   CU Cnc

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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 ]
08 31 37.60	+19 23 39.45	0.246	249.2	M3.5	13.6	12.2	7.54	6.91	6.63	12.81

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J083137.6+192339	0.7261 ± 0.04967	0.00142	314	580	-0.14 ± 0.06	0.07 ± 0.1	28.93

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 J083137.4+192335	200283 n00.009	0.4697 ± 0	0.00137	1104	35	1054	1991-05-08 to 1991-05-08	-0.18 ± 0.04	-0.03 ± 0.06	rgb rgbd	28.74
2RXP J083141.2+192407	200598 n00.001	0.1888 ± 0	0.00188	350	36	1073	1991-11-13 to 1991-11-13	-0.2 ± 0.05	-0.11 ± 0.08	rgb rgbd	28.35
2RXP J083137.2+192346	200601 n00.011	0.4784 ± 0	0.00086	1402	35	957	1992-04-15 to 1992-04-16	-0.2 ± 0.04	-0.04 ± 0.06	rgb rgbd	28.75
2RXP J083136.7+192302	200633 n00.001	0.1668 ± 0	0.00173	121	50	616	1991-11-13 to 1991-11-13	-0.26 ± 0.06	-0.25 ± 0.1	rgb rgbd	28.29
2RXP J083136.8+192322	200634 n00.003	0.2907 ± 0	0.00097	576	40	610	1991-11-13 to 1991-11-13	-0.27 ± 0.05	0.02 ± 0.09	rgb rgbd	28.53
2RXP J083137.3+192349	200635 n00.005	0.3752 ± 0	0.00106	903	39	909	1991-11-13 to 1991-11-13	-0.26 ± 0.04	-0.16 ± 0.07	rgb rgbd	28.65
2RXP J083139.9+192352	200636 a00.006	0.222 ± 0	0.00161	133	48	412	1991-11-13 to 1991-11-13	-0.33 ± 0.07	-0.19 ± 0.12	rgb rgbd	28.42
2RXP J083136.8+192347	200636 a01.004	0.1715 ± 0	0.00127	62	49	260	1992-05-01 to 1992-05-01	-0.44 ± 0.08	-0.05 ± 0.16	rgb rgbd	28.31
2RXP J083139.3+192402	201490 n00.036	0.6271 ± 0	0.0009	2127	53	5303	1993-11-09 to 1993-11-11	-0.24 ± 0.01	0.01 ± 0.02	rgb rgbd	28.87

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J0831+194	08 31 38	+19 24 39	0.04

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