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V1291 Aquilae |
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| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| Constellation | Aquila |
| Right ascension | 19h 53m 18.7358s |
| Declination | -03° 06′ 52.069″ |
| Apparent magnitude (V) | 5.633 |
| Characteristics | |
| Spectral type | A5pv |
| U-B color index | 0.1 |
| B-V color index | 0.2 |
| Variable type | Alpha² CnV variable |
| Astrometry | |
| Radial velocity (Rv) | -20.4 km/s |
| Proper motion (μ) | RA: 21.64 mas/yr Dec.: 13.62 mas/yr |
| Parallax (π) | 11.79 ± 0.93 mas |
| Distance | 280 ± 20 ly (85 ± 7 pc) |
| Absolute magnitude (MV) | 5.839 |
| Details | |
| Mass | 3,1 M☉ |
| Radius | 2,1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Metallicity | ? |
| Rotation | 2 Km/s 0,6146475 Year |
| Age | ? years |
| Other designations | |
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GCRV 6826 E, HIP 97871, SAO 143883, BD-03° 4742, GCRV 12231, HR 7575, CSI-03 4742 1, 2MASS J19531873-0306521, TD1 25603, CSV 8327, GSC 05151-01940, N30 4398, TYC 5151-1940-1, FK5 1519, HD 188041, PLX 4685, UBV M 24237, GC 27532, HD 188042, PMC 90-93 1078, UBV 16921, GCRV 69969, HIC 97871, PPM 203401, YZ 93 6852.
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| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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V1291 Aquilae is Variable star.
Reference
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