Table A.1
Log of Narval (2013–2014) and ESPaDOnS (2017) observations of σ2 CrB.
| Date | HJD | S/Npeak | RVp | RVs | Phase |
|---|---|---|---|---|---|
| (UTC) | (2,400,000 +) | (pixel−1) | (km s−1) | (km s−1) | ( ) |
| 2013 May 12 | 56425.36651 | 820 | –50.15 | 25.42 | 0.104 |
| 2013 May 12 | 56425.53576 | 845 | –74.32 | 50.58 | 0.253 |
| 2013 Jun 15 | 56459.40058 | 656 | 0.62 | –26.61 | 29.964 |
| 2014 May 07 | 56785.48672 | 603 | –33.95 | 9.22 | 316.057 |
| 2014 May 07 | 56785.54913 | 340 | –51.80 | 27.84 | 316.112 |
| 2014 May 07 | 56785.65323 | 479 | –70.78 | 47.25 | 316.203 |
| 2014 May 08 | 56786.46289 | 608 | 19.39 | –44.79 | 316.914 |
| 2014 May 08 | 56786.57382 | 739 | –16.70 | –8.49 | 317.011 |
| 2014 May 08 | 56786.63995 | 742 | –38.26 | 13.36 | 317.069 |
| 2014 May 09 | 56787.45919 | 647 | 47.34 | –73.32 | 317.788 |
| 2014 May 09 | 56787.56082 | 731 | 30.69 | –56.34 | 317.877 |
| 2014 May 09 | 56787.62626 | 734 | 12.28 | –37.84 | 317.934 |
| 2014 May 14 | 56792.40547 | 685 | –56.40 | 32.19 | 322.128 |
| 2014 May 14 | 56792.51830 | 699 | –73.06 | 49.39 | 322.227 |
| 2014 May 14 | 56792.59004 | 737 | –72.07 | 48.14 | 322.289 |
| 2014 May 15 | 56793.45615 | 682 | –31.16 | 5.91 | 323.049 |
| 2014 May 15 | 56793.55307 | 746 | –58.26 | 34.05 | 323.134 |
| 2014 May 15 | 56793.61798 | 708 | –69.60 | 45.76 | 323.191 |
| 2014 May 16 | 56794.44004 | 655 | 19.56 | –45.07 | 323.913 |
| 2014 May 16 | 56794.55777 | 742 | –18.46 | –6.73 | 324.016 |
| 2014 May 16 | 56794.62533 | 750 | –40.26 | 15.54 | 324.075 |
| 2014 May 17 | 56795.45261 | 718 | 45.70 | –71.99 | 324.801 |
| 2014 May 17 | 56795.57364 | 757 | 21.49 | –47.16 | 324.907 |
| 2014 May 17 | 56795.63518 | 742 | 2.24 | –27.63 | 324.961 |
| 2014 May 18 | 56796.43721 | 690 | 40.23 | –66.56 | 325.665 |
| 2014 May 18 | 56796.55238 | 611 | 48.70 | –74.85 | 325.766 |
| 2014 May 18 | 56796.61742 | 730 | 42.58 | –68.80 | 325.823 |
| 2014 Jun 02 | 56811.52323 | 667 | 23.82 | –49.54 | 338.901 |
| 2014 Jun 04 | 56813.44704 | 604 | 19.74 | –45.84 | 340.588 |
| 2014 Jun 07 | 56816.45051 | 552 | –72.88 | 50.41 | 343.224 |
| 2014 Jun 10 | 56819.46148 | 500 | 33.81 | –59.71 | 345.865 |
| 2014 Jun 18 | 56827.50045 | 511 | 18.50 | –44.11 | 352.918 |
| 2014 Jun 19 | 56828.43844 | 605 | 48.79 | –76.20 | 353.741 |
| 2017 Jan 08 | 57762.16934 | 923 | 3.99 | –30.11 | 1172.954 |
| 2017 Jan 10 | 57764.15187 | 915 | 45.29 | –72.04 | 1174.693 |
| 2017 Jan 12 | 57766.16472 | 814 | –26.99 | 3.09 | 1176.459 |
| 2017 Jan 13 | 57767.17351 | 981 | –63.23 | 39.94 | 1177.344 |
| 2017 Jan 14 | 57768.16620 | 876 | –72.52 | 49.55 | 1178.215 |
| 2017 Jan 15 | 57769.16826 | 906 | –47.13 | 23.49 | 1179.095 |
| 2017 Jan 16 | 57770.16645 | 887 | –1.95 | –23.82 | 1179.970 |
| 2017 Jan 19 | 57773.08965 | 591 | 1.42 | –26.79 | 1182.535 |
| 2017 Jan 20 | 57774.11569 | 935 | –36.39 | 12.22 | 1183.435 |
| 2017 Jan 22 | 57776.14231 | 852 | –72.43 | 49.46 | 1185.213 |
Notes. Observational UTC date can be found in the first column, and the heliocentric Julian date in the second column. The third column lists the peak signal-to-noise ratio per CCD pixel. The fourth and fifth columns show the derived radial velocities of the primary and secondary star, respectively. The last column gives the orbital phase calculated using an epoch of conjunction.
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