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

Star Page     -     NS 1849-2350   GJ 729   LHS 3414   HIP 92403   V1216 Sgr Ross 154

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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	J	Ks	H	Distance [ pc ]
18 49 49.30	-23 50 10.45	0.666	106.8	-4	M3.5	12.55	10.95	9.28	7.76	6.2	5.64	5.36	2.97

XMM-Newton Slew Survey:

Detection Number	Count Rate	Exposure Time	Likelihood	HR1	Observation Date	log Lx
XMMSLJ184950.1-235007	47.8819 ± 3.411	3.638	1158.88	-0.874 ± 0.074	2003-04-14T17:43	29.2

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J184948.7-235003	0.942 ± 0.08093	0.00119	326	334	-0.43 ± 0.07	-0.08 ± 0.16	27.06

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J184949.0-235010	200148 n00.001	0.2042 ± 0.00688	27.5	2	4305	1991-03-23 to 1991-03-23	rgb rgbd	27.71

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 J1849-238	18 49 49	-23 50.0	0.05 ± 0.013

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J1849-238	18 49 49	-23 50 07	0.04

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 J1849-23	18 49 47.9	-23 50 47.0	12000	0.035 ± 0.008	0.01 ± 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 1846.8-2354	18 49 48.9	-23 50 07	10311 4140	0.163 ± 0.01	3627.7	15.9	0.5	1981-03-24 to 1981-03-24	gif FITS	Events

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