Journal of observations and magnetic detection for θ Dra for the nightly averaged LSD profiles in 2017 showing date and time of the observation, number of spectra added for each mean LSD profile, Stokes I profile SNR, rotation cycle with respect to observations starting at HJD = 2457850.6525, radial velocity (RV), longitudinal magnetic field (Bl), null value (Nl), and magnetic detection flag for the presence of a magnetic field in the mean LSD profiles, where D is a definite detection, M is marginal, and N is no detection. Each Stokes V observation consists of a sequence of four subexposures. The RV is the mean and SD for each night. Table of observations for individual LSD profiles for θ Dra are shown in the Appendix.
| Date 2017 . | HJD . | No. of . | SNR . | Rot. . | RV . | Bl . | Nl . | Det. . |
|---|---|---|---|---|---|---|---|---|
| (local time) . | 2450000+ . | spectra . | Stokes I . | cycle . | (km s−1) . | (G) . | (G) . | N,M,D . |
| Apr 06 | 7850.6525 | 5 | 1280 | 0.00 | −31.65 ± 0.30 | 3.3 ± 1.2 | 1.1 ± 1.2 | N |
| Apr 07 | 7851.5949 | 5 | 1271 | 0.327 | −5.93 ± 1.25 | 1.8 ± 0.7 | 0.3 ± 0.7 | D |
| Apr 10 | 7854.5700 | 5 | 1271 | 1.360 | −10.55 ± 1.23 | 2.5 ± 0.7 | −0.4 ± 0.7 | D |
| Apr 11 | 7855.5191 | 5 | 1227 | 1.690 | 15.59 ± 0.30 | 0.9 ± 0.8 | −0.3 ± 0.8 | N |
| Apr 12 | 7856.5422 | 5 | 1263 | 2.045 | −25.32 ± 0.90 | 0.5 ± 0.5 | 0.2 ± 0.5 | D |
| Apr 15 | 7859.5630 | 5 | 1334 | 3.094 | −23.53 ± 1.00 | −0.5 ± 0.6 | −0.6 ± 0.6 | D |
| Apr 16 | 7860.5115 | 5 | 1313 | 3.423 | −20.13 ± 1.07 | 2.2 ± 0.7 | −0.4 ± 0.7 | D |
| Apr 17 | 7861.4817 | 5 | 1336 | 3.760 | 16.41 ± 0.12 | −1.4 ± 0.8 | 0.5 ± 0.8 | D |
| Apr 19 | 7863.5320 | 5 | 1320 | 4.472 | −22.36 ± 1.02 | 1.2 ± 0.9 | 0.2 ± 0.9 | D |
| Apr 20 | 7864.5065 | 5 | 1313 | 4.810 | 15.93 ± 0.24 | 1.0 ± 0.7 | −0.2 ± 0.7 | N |
| Apr 21 | 7865.5798 | 5 | 1265 | 5.183 | −18.27 ± 1.16 | −1.8 ± 0.9 | 0.3 ± 0.9 | M |
| Apr 22 | 7866.5141 | 5 | 1310 | 5.508 | −25.64 ± 0.86 | 1.1 ± 0.6 | −0.2 ± 0.6 | D |
| Apr 23 | 7867.4924 | 5 | 1318 | 5.847 | 14.82 ± 0.46 | 1.3 ± 0.8 | −0.1 ± 0.8 | D |
| Apr 24 | 7868.5120 | 3 | 950 | 6.201 | −11.60 ± 0.72 | −0.8 ± 0.7 | 1.0 ± 0.7 | D |
| May 15 | 7889.4685 | 5 | 1134 | 13.478 | 12.02 ± 0.70 | 1.2 ± 1.0 | −0.1 ± 1.0 | M |
| May 16 | 7890.4275 | 2 | 685 | 13.811 | −28.66 ± 0.24 | −12.6 ± 4.0 | 3.0 ± 4.0 | N |
| May 20 | 7894.4558 | 5 | 1346 | 15.209 | −12.43 ± 1.22 | −1.6 ± 0.8 | −0.2 ± 0.8 | N |
| Jun 05 | 7910.4710 | 5 | 1198 | 20.770 | 14.60 ± 0.48 | −1.6 ± 0.6 | 0.4 ± 0.6 | N |
| Jun 14 | 7919.5162 | 5 | 1138 | 23.911 | 10.16 ± 0.84 | −1.1 ± 0.8 | −1.2 ± 0.8 | N |
| Jun 16 | 7921.4964 | 5 | 1255 | 24.599 | −32.00 ± 0.23 | 0.2 ± 0.5 | 0.4 ± 0.5 | N |
| Jun 17 | 7922.4899 | 5 | 1291 | 24.944 | 6.50 ± 1.19 | −0.7 ± 0.9 | 0.9 ± 0.9 | D |
| Jun 18 | 7923.4904 | 5 | 1173 | 25.291 | 2.90 ± 1.13 | −1.4 ± 0.8 | −0.6 ± 0.8 | M |
| Date 2017 . | HJD . | No. of . | SNR . | Rot. . | RV . | Bl . | Nl . | Det. . |
|---|---|---|---|---|---|---|---|---|
| (local time) . | 2450000+ . | spectra . | Stokes I . | cycle . | (km s−1) . | (G) . | (G) . | N,M,D . |
| Apr 06 | 7850.6525 | 5 | 1280 | 0.00 | −31.65 ± 0.30 | 3.3 ± 1.2 | 1.1 ± 1.2 | N |
| Apr 07 | 7851.5949 | 5 | 1271 | 0.327 | −5.93 ± 1.25 | 1.8 ± 0.7 | 0.3 ± 0.7 | D |
| Apr 10 | 7854.5700 | 5 | 1271 | 1.360 | −10.55 ± 1.23 | 2.5 ± 0.7 | −0.4 ± 0.7 | D |
| Apr 11 | 7855.5191 | 5 | 1227 | 1.690 | 15.59 ± 0.30 | 0.9 ± 0.8 | −0.3 ± 0.8 | N |
| Apr 12 | 7856.5422 | 5 | 1263 | 2.045 | −25.32 ± 0.90 | 0.5 ± 0.5 | 0.2 ± 0.5 | D |
| Apr 15 | 7859.5630 | 5 | 1334 | 3.094 | −23.53 ± 1.00 | −0.5 ± 0.6 | −0.6 ± 0.6 | D |
| Apr 16 | 7860.5115 | 5 | 1313 | 3.423 | −20.13 ± 1.07 | 2.2 ± 0.7 | −0.4 ± 0.7 | D |
| Apr 17 | 7861.4817 | 5 | 1336 | 3.760 | 16.41 ± 0.12 | −1.4 ± 0.8 | 0.5 ± 0.8 | D |
| Apr 19 | 7863.5320 | 5 | 1320 | 4.472 | −22.36 ± 1.02 | 1.2 ± 0.9 | 0.2 ± 0.9 | D |
| Apr 20 | 7864.5065 | 5 | 1313 | 4.810 | 15.93 ± 0.24 | 1.0 ± 0.7 | −0.2 ± 0.7 | N |
| Apr 21 | 7865.5798 | 5 | 1265 | 5.183 | −18.27 ± 1.16 | −1.8 ± 0.9 | 0.3 ± 0.9 | M |
| Apr 22 | 7866.5141 | 5 | 1310 | 5.508 | −25.64 ± 0.86 | 1.1 ± 0.6 | −0.2 ± 0.6 | D |
| Apr 23 | 7867.4924 | 5 | 1318 | 5.847 | 14.82 ± 0.46 | 1.3 ± 0.8 | −0.1 ± 0.8 | D |
| Apr 24 | 7868.5120 | 3 | 950 | 6.201 | −11.60 ± 0.72 | −0.8 ± 0.7 | 1.0 ± 0.7 | D |
| May 15 | 7889.4685 | 5 | 1134 | 13.478 | 12.02 ± 0.70 | 1.2 ± 1.0 | −0.1 ± 1.0 | M |
| May 16 | 7890.4275 | 2 | 685 | 13.811 | −28.66 ± 0.24 | −12.6 ± 4.0 | 3.0 ± 4.0 | N |
| May 20 | 7894.4558 | 5 | 1346 | 15.209 | −12.43 ± 1.22 | −1.6 ± 0.8 | −0.2 ± 0.8 | N |
| Jun 05 | 7910.4710 | 5 | 1198 | 20.770 | 14.60 ± 0.48 | −1.6 ± 0.6 | 0.4 ± 0.6 | N |
| Jun 14 | 7919.5162 | 5 | 1138 | 23.911 | 10.16 ± 0.84 | −1.1 ± 0.8 | −1.2 ± 0.8 | N |
| Jun 16 | 7921.4964 | 5 | 1255 | 24.599 | −32.00 ± 0.23 | 0.2 ± 0.5 | 0.4 ± 0.5 | N |
| Jun 17 | 7922.4899 | 5 | 1291 | 24.944 | 6.50 ± 1.19 | −0.7 ± 0.9 | 0.9 ± 0.9 | D |
| Jun 18 | 7923.4904 | 5 | 1173 | 25.291 | 2.90 ± 1.13 | −1.4 ± 0.8 | −0.6 ± 0.8 | M |
Journal of observations and magnetic detection for θ Dra for the nightly averaged LSD profiles in 2017 showing date and time of the observation, number of spectra added for each mean LSD profile, Stokes I profile SNR, rotation cycle with respect to observations starting at HJD = 2457850.6525, radial velocity (RV), longitudinal magnetic field (Bl), null value (Nl), and magnetic detection flag for the presence of a magnetic field in the mean LSD profiles, where D is a definite detection, M is marginal, and N is no detection. Each Stokes V observation consists of a sequence of four subexposures. The RV is the mean and SD for each night. Table of observations for individual LSD profiles for θ Dra are shown in the Appendix.
| Date 2017 . | HJD . | No. of . | SNR . | Rot. . | RV . | Bl . | Nl . | Det. . |
|---|---|---|---|---|---|---|---|---|
| (local time) . | 2450000+ . | spectra . | Stokes I . | cycle . | (km s−1) . | (G) . | (G) . | N,M,D . |
| Apr 06 | 7850.6525 | 5 | 1280 | 0.00 | −31.65 ± 0.30 | 3.3 ± 1.2 | 1.1 ± 1.2 | N |
| Apr 07 | 7851.5949 | 5 | 1271 | 0.327 | −5.93 ± 1.25 | 1.8 ± 0.7 | 0.3 ± 0.7 | D |
| Apr 10 | 7854.5700 | 5 | 1271 | 1.360 | −10.55 ± 1.23 | 2.5 ± 0.7 | −0.4 ± 0.7 | D |
| Apr 11 | 7855.5191 | 5 | 1227 | 1.690 | 15.59 ± 0.30 | 0.9 ± 0.8 | −0.3 ± 0.8 | N |
| Apr 12 | 7856.5422 | 5 | 1263 | 2.045 | −25.32 ± 0.90 | 0.5 ± 0.5 | 0.2 ± 0.5 | D |
| Apr 15 | 7859.5630 | 5 | 1334 | 3.094 | −23.53 ± 1.00 | −0.5 ± 0.6 | −0.6 ± 0.6 | D |
| Apr 16 | 7860.5115 | 5 | 1313 | 3.423 | −20.13 ± 1.07 | 2.2 ± 0.7 | −0.4 ± 0.7 | D |
| Apr 17 | 7861.4817 | 5 | 1336 | 3.760 | 16.41 ± 0.12 | −1.4 ± 0.8 | 0.5 ± 0.8 | D |
| Apr 19 | 7863.5320 | 5 | 1320 | 4.472 | −22.36 ± 1.02 | 1.2 ± 0.9 | 0.2 ± 0.9 | D |
| Apr 20 | 7864.5065 | 5 | 1313 | 4.810 | 15.93 ± 0.24 | 1.0 ± 0.7 | −0.2 ± 0.7 | N |
| Apr 21 | 7865.5798 | 5 | 1265 | 5.183 | −18.27 ± 1.16 | −1.8 ± 0.9 | 0.3 ± 0.9 | M |
| Apr 22 | 7866.5141 | 5 | 1310 | 5.508 | −25.64 ± 0.86 | 1.1 ± 0.6 | −0.2 ± 0.6 | D |
| Apr 23 | 7867.4924 | 5 | 1318 | 5.847 | 14.82 ± 0.46 | 1.3 ± 0.8 | −0.1 ± 0.8 | D |
| Apr 24 | 7868.5120 | 3 | 950 | 6.201 | −11.60 ± 0.72 | −0.8 ± 0.7 | 1.0 ± 0.7 | D |
| May 15 | 7889.4685 | 5 | 1134 | 13.478 | 12.02 ± 0.70 | 1.2 ± 1.0 | −0.1 ± 1.0 | M |
| May 16 | 7890.4275 | 2 | 685 | 13.811 | −28.66 ± 0.24 | −12.6 ± 4.0 | 3.0 ± 4.0 | N |
| May 20 | 7894.4558 | 5 | 1346 | 15.209 | −12.43 ± 1.22 | −1.6 ± 0.8 | −0.2 ± 0.8 | N |
| Jun 05 | 7910.4710 | 5 | 1198 | 20.770 | 14.60 ± 0.48 | −1.6 ± 0.6 | 0.4 ± 0.6 | N |
| Jun 14 | 7919.5162 | 5 | 1138 | 23.911 | 10.16 ± 0.84 | −1.1 ± 0.8 | −1.2 ± 0.8 | N |
| Jun 16 | 7921.4964 | 5 | 1255 | 24.599 | −32.00 ± 0.23 | 0.2 ± 0.5 | 0.4 ± 0.5 | N |
| Jun 17 | 7922.4899 | 5 | 1291 | 24.944 | 6.50 ± 1.19 | −0.7 ± 0.9 | 0.9 ± 0.9 | D |
| Jun 18 | 7923.4904 | 5 | 1173 | 25.291 | 2.90 ± 1.13 | −1.4 ± 0.8 | −0.6 ± 0.8 | M |
| Date 2017 . | HJD . | No. of . | SNR . | Rot. . | RV . | Bl . | Nl . | Det. . |
|---|---|---|---|---|---|---|---|---|
| (local time) . | 2450000+ . | spectra . | Stokes I . | cycle . | (km s−1) . | (G) . | (G) . | N,M,D . |
| Apr 06 | 7850.6525 | 5 | 1280 | 0.00 | −31.65 ± 0.30 | 3.3 ± 1.2 | 1.1 ± 1.2 | N |
| Apr 07 | 7851.5949 | 5 | 1271 | 0.327 | −5.93 ± 1.25 | 1.8 ± 0.7 | 0.3 ± 0.7 | D |
| Apr 10 | 7854.5700 | 5 | 1271 | 1.360 | −10.55 ± 1.23 | 2.5 ± 0.7 | −0.4 ± 0.7 | D |
| Apr 11 | 7855.5191 | 5 | 1227 | 1.690 | 15.59 ± 0.30 | 0.9 ± 0.8 | −0.3 ± 0.8 | N |
| Apr 12 | 7856.5422 | 5 | 1263 | 2.045 | −25.32 ± 0.90 | 0.5 ± 0.5 | 0.2 ± 0.5 | D |
| Apr 15 | 7859.5630 | 5 | 1334 | 3.094 | −23.53 ± 1.00 | −0.5 ± 0.6 | −0.6 ± 0.6 | D |
| Apr 16 | 7860.5115 | 5 | 1313 | 3.423 | −20.13 ± 1.07 | 2.2 ± 0.7 | −0.4 ± 0.7 | D |
| Apr 17 | 7861.4817 | 5 | 1336 | 3.760 | 16.41 ± 0.12 | −1.4 ± 0.8 | 0.5 ± 0.8 | D |
| Apr 19 | 7863.5320 | 5 | 1320 | 4.472 | −22.36 ± 1.02 | 1.2 ± 0.9 | 0.2 ± 0.9 | D |
| Apr 20 | 7864.5065 | 5 | 1313 | 4.810 | 15.93 ± 0.24 | 1.0 ± 0.7 | −0.2 ± 0.7 | N |
| Apr 21 | 7865.5798 | 5 | 1265 | 5.183 | −18.27 ± 1.16 | −1.8 ± 0.9 | 0.3 ± 0.9 | M |
| Apr 22 | 7866.5141 | 5 | 1310 | 5.508 | −25.64 ± 0.86 | 1.1 ± 0.6 | −0.2 ± 0.6 | D |
| Apr 23 | 7867.4924 | 5 | 1318 | 5.847 | 14.82 ± 0.46 | 1.3 ± 0.8 | −0.1 ± 0.8 | D |
| Apr 24 | 7868.5120 | 3 | 950 | 6.201 | −11.60 ± 0.72 | −0.8 ± 0.7 | 1.0 ± 0.7 | D |
| May 15 | 7889.4685 | 5 | 1134 | 13.478 | 12.02 ± 0.70 | 1.2 ± 1.0 | −0.1 ± 1.0 | M |
| May 16 | 7890.4275 | 2 | 685 | 13.811 | −28.66 ± 0.24 | −12.6 ± 4.0 | 3.0 ± 4.0 | N |
| May 20 | 7894.4558 | 5 | 1346 | 15.209 | −12.43 ± 1.22 | −1.6 ± 0.8 | −0.2 ± 0.8 | N |
| Jun 05 | 7910.4710 | 5 | 1198 | 20.770 | 14.60 ± 0.48 | −1.6 ± 0.6 | 0.4 ± 0.6 | N |
| Jun 14 | 7919.5162 | 5 | 1138 | 23.911 | 10.16 ± 0.84 | −1.1 ± 0.8 | −1.2 ± 0.8 | N |
| Jun 16 | 7921.4964 | 5 | 1255 | 24.599 | −32.00 ± 0.23 | 0.2 ± 0.5 | 0.4 ± 0.5 | N |
| Jun 17 | 7922.4899 | 5 | 1291 | 24.944 | 6.50 ± 1.19 | −0.7 ± 0.9 | 0.9 ± 0.9 | D |
| Jun 18 | 7923.4904 | 5 | 1173 | 25.291 | 2.90 ± 1.13 | −1.4 ± 0.8 | −0.6 ± 0.8 | M |
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