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

Star Page     -     NS 2238-2037 B   GJ 867 C  

Back to Search      Back to Main Page      Introduction

ROSAT Survey Field Image Browser     SIMBAD entry

Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Spectral Type	Rc	Ic	Distance [ pc ]
22 38 45.60	-20 37 16.04	0.458	100.1	M3V	10.29	8.78	8.64

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J223845.5-203706	3.803 ± 0.1869	0.00122	225	1400	-0.23 ± 0.04	0.05 ± 0.08	29.31

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J223845.7-203714	200415 a01.019	0.832 ± 0.00594	126	2	23152	1993-05-15 to 1993-05-16	rgb rgbd	29.25
1RXH J223845.2-203714	200415 n00.008	1.102 ± 0.0108	93.9	1	9220	1992-11-26 to 1992-11-27	rgb rgbd	29.37

ROSAT Wide Field Camera (WFC) All-Sky Survey:

Detection Number	RA (2000.0)	DE (2000.0)	S1 Count Rate	S2 Count Rate	Significance S1	Significance S2	Significance
2RE J2238-203	22 38 45.89	-20 36 55.3	0.08 ± 0.02	0.1 ± 0.02	7	8.8	11.3

ROSAT Wide Field Camera (WFC) Pointed Observations:

Source	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	OAX	Significance	Filter	Observation Date
1	22 38 48.46	- 20 37 04.9	180217 w00_s1a	0.15279 ± 0.02631	129.2	8.69	S1	1997-11-25T06:00
1	22 38 46.60	- 20 37 12.9	200415 w00_s2b	0.09955 ± 0.01106	0.4	16.57	S2	1992-11-26T18:00
1	22 38 45.00	- 20 37 05.0	200415 w01_s2b	0.10034 ± 0.0065	0.1	28.72	S2	1993-05-15T12:00

EUVE All-Sky Survey:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate	156-234 Å Count Rate	368-590 Å Count Rate	519-742 Å Count Rate
EUVE J2238-206	22 38 44	-20 37.4	0.16 ± 0.017	0.05 ± 0.018

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J2238-206	22 38 45	-20 37 09	0.15

EUVE Right Angle Program (RAP):

Detection Number	RA (2000.0)	DE (2000.0)	Exposure Time	58-174 Å Count Rate	156-234 Å Count Rate
2EUVE J2238-20	22 38 47.6	-20 37 32.2	85000	0.111 ± 0.01	0.02 ± 0.01

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 2236.0-2053	22 38 44.7	-20 37 05	7380 4632	0.787 ± 0.039	1194.4	20	0.7	1980-05-11 to 1980-05-11	gif FITS	Events
2E 2236.0-2053	22 38 45.3	-20 37 06	7381 4632	0.554 ± 0.025	2082.2	22	0.8	1980-05-12 to 1980-05-12	gif FITS	Events
2E 2236.0-2053	22 38 44.9	-20 37 01	7382 4632	0.433 ± 0.023	1894.5	18.4	0.7	1980-05-13 to 1980-05-13	gif FITS	Events

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