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Table 1
GJ273 system properties.
| Star | ||||
|---|---|---|---|---|
| Other designations | BD+05 1668 | |||
| 2MASS J07272450+0513329 | ||||
| DR2 3139847906304421632 | ||||
| Spect. type (1) | M3.5V | |||
| α (J2000) | 07h27m24.49s | |||
| δ (J2000) | + 05°13′32.8′′ | |||
| V (2) | 9.872 | |||
| J (3) | 5.714 ± 0.032 | |||
| H (3) | 5.219 ± 0.063 | |||
| Ks (3) | 4.857 ± 0.023 | |||
| L (L⊙) (4) | 0.0088 | |||
| R (R⊙) (4) | 0.293 ± 0.027 | |||
| Teff (K) (4) | 3382 ± 49 | |||
| M (M⊙) (5) | 0.29 | |||
| [Fe/H] (6) | 0.09 ± 0.17 | |||
| Prot (d) (7) | 99 | |||
| Planets | ||||
| Planet | P (d) | M sin i (M⊕) | a (au) | e |
| GJ 273b (8) | 18.6498 |
2.89 |
0.091101 |
0.10 |
| GJ 273c (8) | 4.7234 |
1.18 |
0.036467 |
0.17 |
| GJ 273d (9) | 413.9 |
10.8 |
0.712 |
0.17 |
| GJ 273e (9) | 542 |
9.3 |
0.849 |
0.03 |
References. (1) Hawley et al. (1996); (2) Gaidos et al. (2014); (3) Cutri et al. (2003); (4) Boyajian et al. (2012); (5) Delfosse et al. (2000); (6) Neves et al. (2013); (7) Astudillo-Defru et al. (2017a); (8) Astudillo-Defru et al. (2017b); (9) Tuomi et al. (2019).
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