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

Star Page     -     NS 1953+4424 A   GJ 1245 A   LHS 3494   G 208-044   V1581 Cyg

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ROSAT Survey Field Image Browser     SIMBAD entry

Star Information:

RA (2000.0)	DE (2000.0)	Spectral Type	B	V	Rc	Ic	J	Ks	H	Distance [ pc ]
19 53 54.43	+44 24 54.15	M5.5	15.31	13.41	11.81	9.78	7.78	7.26	6.89	4.54

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J195354.7+442454	0.1982 ± 0.01699	0.00085	797	331	-0.37 ± 0.08	-0.18 ± 0.15	27.47

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J195354.8+442450	201923 n00.001	0.06093 ± 0.00484	10.2	1	2637	1995-04-10 to 1995-04-10	rgb rgbd	27.56
1RXH J195354.6+442456	202165 a01.001	0.03671 ± 0.00526	5	1	1354	1996-04-28 to 1996-05-01	rgb rgbd	27.34
1RXH J195353.9+442457	202165 n00.001	0.02627 ± 0.00312	6.8	1	2849	1995-10-15 to 1995-10-15	rgb rgbd	27.19

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 J1953+44	19 53 55.8	+44 24 36.0	32000	0.006 ± 0.003	0.01 ± 0

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 1952.3+4417	19 53 51.8	+44 24 41	4406 4298	0.013 ± 0.003	2403.9	4.3	1.3	1979-10-28 to 1979-11-24	gif FITS	Events

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