| Identity |
| Name: | eta Serpentis |
| Hipparcos catalog ID: | 89962 |
| Other star catalog entries: | HD 168723
SAO 142241
BD B-02 4599
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| |
| Appearance |
| Visual magnitude: | 3.23 (source: Hipparcos) |
| Spectral type: | K0III-IV |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 18h 21m 18.92049s (+/-0.00001s) |
| Declination | -2° 53' 49.6392" (+/-0.0001") |
| Parallax: | 53.93 (+/-0.18) mas |
| Derived distance: | 60.5 light-years |
| Proper motion in R.A.: | -547.75 (+/-0.16) mas/year |
| Proper motion in declination: | -701.42 (+/-0.13) mas/year |
| Constellation: | Serpens | |