HD 61563
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| Observation data Epoch Equinox | |
|---|---|
| Constellation | Canis Minor[1] |
| A | |
| Right ascension | +07h 40m 06.9950s[2] |
| Declination | +05° 13′ 52.243″[2] |
| Apparent magnitude (V) | 6.33[3] |
| B | |
| Right ascension | +07h 40m 07.0011s[4] |
| Declination | +05° 13′ 51.355″[4] |
| Apparent magnitude (V) | 6.96[3] |
| Characteristics | |
| Spectral type | A0IV + A0IV[5] |
| Astrometry | |
| A | |
| Radial velocity (Rv) | 17[6] km/s |
| Proper motion (μ) | RA: −2.026[2] mas/yr Dec.: −18.518[2] mas/yr |
| Parallax (π) | 4.8912±0.1480 mas[2] |
| Distance | 670 ± 20 ly (204 ± 6 pc) |
| B | |
| Proper motion (μ) | RA: −3.162[4] mas/yr Dec.: −16.548[4] mas/yr |
| Parallax (π) | 2.3276±0.3673 mas[4] |
| Distance | approx. 1,400 ly (approx. 430 pc) |
| Orbit[7] | |
| Period (P) | 1,516 yr |
| Semi-major axis (a) | 2.792″ |
| Eccentricity (e) | 0.917 |
| Inclination (i) | 67.3° |
| Details | |
| A | |
| Radius | 5.9[8] R☉ |
| Luminosity | 72[8] L☉ |
| Temperature | 10,100[9] K |
| B | |
| Mass | 2.4[10] M☉ |
| Radius | 2.4[10] R☉ |
| Luminosity | 41[10] L☉ |
| Surface gravity (log g) | 4.08[10] cgs |
| Temperature | 9,517[10] K |
| Other designations | |
| BD+05°1742, HD 61563, HR 2950, SAO 115773, WDS J07401+0514[11] | |
| Database references | |
| SIMBAD | data |
| A | |
| B | |
HD 61563 is a binary star in the constellation of Canis Minor consisting of two A-type stars with both spectral types A0IV, and the combined apparent magnitude is 6.02, barely visible to the naked eye.[6]
