NEXXUS 2 - The database for Nearby X-ray and extreme UV emitting Stars
Star Page - NS 0744+0333 GJ 285 LHS 1943 G 112-046 HIP 37766 YZ CMi
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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 | U | B | V | Rc | Ic | J | Ks | H | Distance [ pc ] |
| 07 44 40.18 | +03 33 08.94 | 0.568 | 217.4 | 18 | M4.5V:e | 13.73 | 12.73 | 11.12 | 9.92 | 8.24 | 6.59 | 5.99 | 5.73 | 5.97 |
XMM-Newton Pointed Observations:
| Detection Number | Sequence Id | Observation Time | Likelihood | log Lx | ESAC Links |
| 2XMM J074440.1+033308 | 0111460101 1 | 2000-10-09T06:39 to 2000-10-09T13:58 | 999.9999 | 28.53 | Postcard Server Observing Log |
| Detector | Filter | Count Rate | Exposure Time | Likelihood | OAX | HR1 | HR2 | HR3 | HR4 | log Lx |
| M1 | Medium | 1.362 ± 0.00746 | 26078 | 999.9999 | 0.061 | 0.41 ± 0.006 | -0.39 ± 0.006 | -0.798 ± 0.007 | -0.86 ± 0.02 | 28.53 |
ROSAT All-Sky Survey (RASS):
| Detection Number | Count Rate | Background | Exposure Time | Likelihood | HR1 | HR2 | log Lx |
| 1RXS J074439.7+033245 | 1.467 ± 0.07888 | 0.00119 | 253 | 1220 | -0.21 ± 0.05 | 0.19 ± 0.08 | 28.57 |
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 J0744+033 | 07 44 40.78 | +03 33 29.0 | 0.04 ± 0.01 | 0.04 ± 0.01 | 10.9 | 7.6 | 13.3 |
EUVE sources detected in other ways:
| Detection Number | RA (2000.0) | DE (2000.0) | 58-174 Å Count Rate | 156-234 Å Count Rate | 67-178 Å Count Rate | 157-364 Å Count Rate |
| EUVE J0744+035 | 07 44 43 | +03 33.7 | 0.064 | 0.088 |
Joint EUVE-ROSAT Detections:
| Detection Number | RA (2000.0) | DE (2000.0) | 58-174 Å Count Rate |
| EUVE J0744+035 | 07 44 40 | +03 32 43 | 0.06 |
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 0742.1+0341 | 07 44 40.9 | +03 33 17 | 907 1871 | 0.442 ± 0.016 | 3607 | 26.8 | 0.8 | 1979-04-27 to 1980-04-14 | gif FITS | Events |
| 2E 0742.1+0341 | 07 44 41.0 | +03 33 15 | 908 1871 | 0.372 ± 0.011 | 3863.5 | 32.6 | 1 | 1979-10-25 to 1979-10-25 | gif FITS | Events |
| 2E 0742.1+0340 | 07 44 40.9 | +03 33 11 | 3048 1871 | 0.298 ± 0.007 | 9333.3 | 45.3 | 1 | 1979-10-26 to 1979-10-27 | gif FITS | Events |
| 2E 0742.1+0341 | 07 44 40.8 | +03 33 21 | 10640 1871 | 0.407 ± 0.012 | 5671.5 | 32.8 | 0.5 | 1981-04-01 to 1981-04-01 | gif FITS | Events |
Einstein High Resolution Imager (HRI):
| RA (2000.0) | DE (2000.0) | Sequence ID | Count Rate | Exposure Time | SNR | Observation Date | Images | Data |
| 07 44 41 | +03 33 18 | 3020 1 | 0.2477 ± 0.01302 | 2724.16 | 19.03 | 1979-04-22 to 1979-04-22 | gif FITS | Events |
Last modified on Tuesday, 28 October 2008. C. Liefke | Impressum