Back مروب (نجم) Arabic Merope (estrella) AST Mèrope (estrella) Catalan Merope Czech Merope (Stern) German Merope (estrella) Spanish Merope (izarra) Basque ستاره میروپ Persian Merope (tähti) Finnish Mérope (étoile) French
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 03h 46m 19.5859s[1] |
| Declination | 23° 56′ 54.092″[1] |
| Apparent magnitude (V) | 4.18[2] |
| Characteristics | |
| Spectral type | B6IV(e)[3] |
| U−B color index | −0.41[4] |
| B−V color index | −0.06[4] |
| Variable type | β Cephei[5] |
| Astrometry | |
| Radial velocity (Rv) | 6.2[6] km/s |
| Proper motion (μ) | RA: 13.075[1] mas/yr Dec.: −48.404[1] mas/yr |
| Parallax (π) | 7.0670 ± 0.2862 mas[1] |
| Distance | 460 ± 20 ly (142 ± 6 pc) |
| Absolute magnitude (MV) | −1.29[7] |
| Details | |
| Mass | 4.25[8] M☉ |
| Radius | 7.7[9] R☉ |
| Luminosity | 927[10] L☉ |
| Surface gravity (log g) | 3.48[10] cgs |
| Temperature | 14,550[10] K |
| Rotational velocity (v sin i) | 240[10] km/s |
| Age | 212[11] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
Merope /ˈmɛrəpiː/,[12] designated 23 Tauri (abbreviated 23 Tau), is a star in the constellation of Taurus and a member of the Pleiades star cluster. It is approximately 440 light-years (135 pc) away.
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