| Identification Data |
| Common Name | |
| Constellation | Corona Australis |
| Star Name | eta2CrA |
| Skymap Number | 18490131 |
| Henry Draper (HD) Number | 173861 |
| Harvard Revised (HR) Number | 7068 |
| SAO Number | 229307 |
| Durchmusterung (DM) Number | CD-4312854 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 324480 |
| Right Ascension (RA) J2000 | 18h 49m 34.995s |
| Declination (Dec) J2000 | -43° 26' 2.767" |
| Position Uncertainty | 0.0088s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00026 |
| Proper Motion in Dec (J2000) | -0.025466 |
| Radial Velocity | -023.0km s-1 |
| Trigonometric Parallax | +0.00537s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | 0.155882 |
| GCI Unit Vector in Y (J2000) | -0.709237 |
| GCI Unit Vector in Z (J2000) | -0.687520 |
| Galactic Longitude | 352.69° |
Galactic Latitude
| -17.95°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.60 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.52 |
| Observed B-V Colour | -0.080 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.9 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B9IV |
| One-Dimensional Spectral Class | B9 |
| Position Angle | |
| Year of Observation | AD |
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