| Identification Data |
| Common Name | |
| Constellation | Corona Borealis |
| Star Name | 2eta CrB |
| Skymap Number | 15230155 |
| Henry Draper (HD) Number | 137108 |
| Harvard Revised (HR) Number | 5728 |
| SAO Number | 64673 |
| Durchmusterung (DM) Number | BD+30 2653 |
Washington Double Stars (WDS) Number
| 15232+3017
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 78550 |
| Right Ascension (RA) J2000 | 15h 23m 12.380s |
| Declination (Dec) J2000 | +30° 17' 16.775" |
| Position Uncertainty | 0.0203s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.01312 |
| Proper Motion in Dec (J2000) | -0.204667 |
| Radial Velocity | -006.8km s-1 |
| Trigonometric Parallax | +0.05370s |
| Trigonometric Parallax Uncertainty | 0.00124s |
| GCI Unit Vector in X (J2000) | -0.545740 |
| GCI Unit Vector in Y (J2000) | -0.669181 |
| GCI Unit Vector in Z (J2000) | 0.504347 |
| Galactic Longitude | 47.54° |
Galactic Latitude
| 56.73°
|
| Observational Data |
| Observed Visual Magnitude (V) | |
| Derived Visual Magnitude | 6.21 |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.400 |
| Observed B Magnitude | |
| Observed B-V Colour | |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.1 |
| Observed Photographic Magnitude | 6.6 |
| Morgan Keenan (MK) Spectral Type | G3V |
| One-Dimensional Spectral Class | G0 |
| Position Angle | |
| Year of Observation | 1993. AD |
