Open Access
Table 1
Observation log of our sample RSGs observed by T21.
| Name | HD | Sp. type (a) | Obs. date |
|---|---|---|---|
| ζ Cep | 210 745 | K1.5Ib | 2015-08-08 |
| 41 Gem | 52 005 | K3–Ib | 2015-10-28 |
| ξ Cyg | 200 905 | K4.5Ib–II | 2016-05-14 |
| V809 Cas | 219 978 | K4.5Ib | 2015-10-31 |
| V424 Lac | 216 946 | K5Ib | 2015-07-30 |
| ψ1 Aur | 44 537 | K5–M1Iab–Ib | 2013-02-22 |
| TV Gem | 42 475 | M0–M1.5Iab | 2016-01-19 |
| BU Gem | 42 543 | M1–M2Ia–Iab | 2016-01-19 |
| Betelgeuse | 39 801 | M1–M2Ia–Iab | 2013-02-22 |
| NO Aur | 37 536 | M2Iab | 2015-10-28 |
Notes. (a)Taken from SIMBAD (Wenger et al. 2000) on 2020 April 26.
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