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

Star Page     -     NS 0440-4151 A   GJ 174.1 A   HIP 21770   HD 29875   HR 1502   CD-42 1587   alp Cae  

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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	B	V	Rc	Ic	Distance [ pc ]
04 40 33.75	-41 51 49.60	0.16	242	-0.6	F2V	4.76	4.46	4.23	4.03	20.13

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J044033.9-415142	0.5206 ± 0.04227	0.00114	329	393	-0.32 ± 0.07	-0.07 ± 0.13	28.34

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J044034.2-415154	202219 n00.001	0.1662 ± 0.00915	15.2	1	1981	1996-03-19 to 1996-03-19	rgb rgbd	29.29

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 J0440-418	04 40 37	-41 51.6	0.031 ± 0.007	0.024 ± 0.009	0.03 ± 0.014	0.066 ± 0.033

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J0440-418	04 40 34	-41 51 49	0.03

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