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

Star Page     -     NS 2227+5741 B   GJ 860 B   LHS 3815   DO Cep

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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	Distance [ pc ]
22 27 59.58	+57 41 45.23	0.99	241.6	-28	M4	12.9	10.3	4.03

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J222801.1+574145	0.4486 ± 0.03355	0.00094	427	468	-0.49 ± 0.06	0.03 ± 0.15	27.72

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 J2228+576	22 28 02	+57 41.6	0.025 ± 0.007	0.02 ± 0.007

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J2228+576	22 28 00	+57 41 46	0.03

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 2226.2+5726	22 28 03.4	+57 41 48	3117 4613	0.034 ± 0.006	1454.1	5.8	0.7	1979-06-16 to 1979-06-16	gif FITS	Events

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