Open Access
Table A.1.
Selected local comparison and check stars at different observatories.
| Variable | Comparison & | V | Used for photometry |
|---|---|---|---|
| Check stars | [mag] | ||
| V1647 Sgr | HD 162926* | 6.053 | PEP at SAAO in 2004-5 and 2019 |
| HD 164245* | 6.296 | PEP at SAAO in 2004-5 | |
| UCAC4 263-150753 † | 7.182 | CCD at FRAM in 2020 | |
| UCAC4 264-142401 | 8.340 | CCD at FRAM in 2021 | |
| UCAC4 266-143028 | 10.34 | CCD at Boyden in 2025 | |
| V2283 Sgr | HD 321231 | 10.51 | CCD at La Silla in 2017 |
| UCAC4 266-150561 | 10.69 | CCD at Boyden and FRAM in 2025 | |
| UCAC4 266-149980 | 11.50 | CCD at Boyden in 2025 | |
| UCAC4 266-150489 | 10.73 | CCD at FRAM in 2025 | |
Notes. * used also by Clausen et al. (1977). † suspected of variability.
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