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

Star Page     -     NS 0734+3153 B   GJ 278 B   HD 60178   HR 2890   Castor B

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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 ]
07 34 35.98	+31 53 18.30	0.254	234.3	-1.2	A2Vm	1.62	1.58	15.27

XMM-Newton Pointed Observations:

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J073435.9+315318	0112880801 2	2000-09-29T18:56 to 2000-09-30T08:54	999.9999	29	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thick	1.78727 ± 0.00656	49614	999.9999	1.741	0.471 ± 0.004	-0.492 ± 0.004	-0.759 ± 0.005	-0.769 ± 0.016	29
M1	Thick	0.48327 ± 0.00329	52211	999.9999	1.043	0.517 ± 0.007	-0.29 ± 0.007	-0.739 ± 0.008	-0.829 ± 0.02	29
M2	Thick	0.48393 ± 0.00322	52312	999.9999	0.337	0.531 ± 0.007	-0.302 ± 0.007	-0.747 ± 0.008	-0.79 ± 0.022	29

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J073435.9+315318	0123710101 2	2000-04-25T03:56 to 2000-04-25T20:54	999.9999	28.98	Postcard Server Observing Log

PN data not included in the catalogue. See introduction for details.

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
M1	Thick	0.4684 ± 0.00304	57662	999.9999	1.357	0.527 ± 0.007	-0.308 ± 0.007	-0.752 ± 0.008	-0.851 ± 0.02	28.98
M2	Thick	0.46814 ± 0.00312	58332	999.9999	2.393	0.528 ± 0.007	-0.32 ± 0.007	-0.778 ± 0.008	-0.827 ± 0.024	28.98

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J073435.6+315318	0123710201 2	2000-04-24T19:24 to 2000-04-25T00:45	999.9999	29	Postcard Server Observing Log

PN data not included in the catalogue. See introduction for details.

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
M1	Thick	0.48657 ± 0.00533	19392	999.9999	1.37	0.525 ± 0.011	-0.329 ± 0.012	-0.751 ± 0.013	-0.852 ± 0.033	29
M2	Thick	0.479 ± 0.00543	19343	999.9999	2.403	0.536 ± 0.012	-0.332 ± 0.012	-0.769 ± 0.013	-0.791 ± 0.041	28.99

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J073437.2+315223	3.697 ± 0.09115	0.00098	440	6400	-0.15 ± 0.02	-0.01 ± 0.03	29.79

ROSAT Position Sensitive Proportional Counter (PSPC):

Detection Number	Sequence Id	Count Rate	Background	Likeli	OAX	Exposure Time	Observation Time	HR1	HR2	Images	log Lx
2RXP J073436.4+315226	800348 n00.002	3.483 ± 0	0.00109	9999	33	2381	1993-04-10 to 1993-04-10	-0.13 ± 0.01	0.17 ± 0.01	rgb rgbd	29.77

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J073436.3+315315	200655 n00.003	0.2021 ± 0.00651	27.6	1	4762	1992-04-18 to 1992-04-19	rgb rgbd	29.13
1RXH J073436.1+315319	201946 n00.032	0.3086 ± 0.00202	121.8	1	74751	1994-10-05 to 1994-10-20	rgb rgbd	29.32

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 J0734+315	07 34 37.31	+31 52 49.4	0.07 ± 0.01	0.09 ± 0.01	18.3	13.5	22.8

ROSAT Wide Field Camera (WFC) Pointed Observations:

Source	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	OAX	Significance	Filter	Observation Date
5	07 34 36.97	+ 31 52 36.3	201946 w00_s1a	0.0722 ± 0.00309	0.7	41	S1	1994-10-05T00:00
1	07 34 35.77	+ 31 52 12.9	701303 w00_s1a	0.07244 ± 0.00653	93.2	16.48	S1	1994-04-05T06:00
3	07 34 37.51	+ 31 51 47.6	800348 w00_s1a	0.20671 ± 0.02073	33.1	20.39	S1	1993-04-10T18:00
3	07 34 36.13	+ 31 52 15.2	800668 w00_s1a	0.05795 ± 0.00558	32.9	17.31	S1	1994-10-06T18:00

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 J0734+318	07 34 41	+31 52.8	0.151 ± 0.019	0.08 ± 0.021

Joint EUVE-ROSAT Detections:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate
EUVE J0734+318	07 34 37	+31 52 24	0.13

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 0731.5+3159	07 34 39.3	+31 52 13	211 1827	0.294 ± 0.022	2079.6	13.6	32.9	1979-10-26 to 1979-10-26	gif FITS	Events
2E 0731.4+3159	07 34 37.4	+31 52 23	838 1827	0.464 ± 0.021	2316.2	22.4	0.9	1979-10-26 to 1979-10-26	gif FITS	Events
2E 0731.4+3159	07 34 37.8	+31 52 30	2308 1827	0.433 ± 0.023	1986.4	18.4	5.5	1979-04-12 to 1979-04-12	gif FITS	Events

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