| Identity |
| Name: | eta Sagittarii |
| Hipparcos catalog ID: | 89642 |
| Other star catalog entries: | HD 167618 SAO 209957 CoD C-36 12423 CPD P-36 8128
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| Appearance |
| Visual magnitude: | 3.1 (source: Hipparcos) |
| Spectral type: | M2III |
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| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 18h 17m 37.72939s (+/-0.00002s) |
| Declination | -36° 45' 40.6120" (+/-0.0002") |
| Parallax: | 22.35 (+/-0.24) mas |
| Derived distance: | 146 light-years |
| Proper motion in R.A.: | -129.56 (+/-0.28) mas/year |
| Proper motion in declination: | -166.26 (+/-0.16) mas/year |
| Constellation: | Sagittarius | |