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

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Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Radial Velocity	Spectral Type	B	V	Rc	Ic	Distance [ pc ]
21 47 02.44	-16 07 38.37	0.396	138.4	-6.3	A7IIIm	3.16	2.87	2.72	2.56	11.84

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J214702.5-160736	1.655 ± 0.1255	0.00096	345	479	-0.29 ± 0.07	0.1 ± 0.12	29.22

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 J2147-160	21 47 03.25	-16 06 39.5	0.05 ± 0.01	0.06 ± 0.01	8.1	9.3	12.3

ROSAT Wide Field Camera (WFC) Pointed Observations:

Source	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	OAX	Significance	Filter	Observation Date
1	21 47 08.70	- 16 06 48.2	800148 w00_s2b	0.3813 ± 0.11373	138.9	4.88	S2	1991-11-18T00:00
1	21 46 59.33	- 16 07 51.0	800227 w00_s1a	0.03261 ± 0.0074	77.6	6.39	S1	1992-11-19T06:00
1	21 47 01.59	- 16 07 32.3	800227 w01_s1a	0.03585 ± 0.00508	76.9	10.68	S1	1993-05-06T06:00

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 J2147-161	21 47 00	-16 07.4	0.069 ± 0.014		0.039 ± 0.019

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J2147-161	21 47 02	-16 07 39	0.07

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