Phi Serpentis
| Observation data ICRS )
| |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 57m 14.57093s[1] |
| Declination | +14° 24′ 52.1359″[1] |
| Apparent magnitude (V) | +5.55[2] |
| Characteristics | |
| Spectral type | K1 IV[3] |
| U−B color index | +0.997[2] |
| B−V color index | +1.142[2] |
| Absolute magnitude (MV) | +1.33[3] |
| Details | |
Gyr | |
| Database references | |
| SIMBAD | data |
Phi Serpentis (φ Ser, φ Serpentis) is a solitaryapparent visual magnitude of +5.55.[2]
At the estimated age of 3.42 billion years,subgiant star with a stellar classification of K1 IV.[3] It has about 1.19[3] times the mass of the Sun and around 4.2[4] times the Sun's radius. The star radiates 41.7[5] times the solar luminosity from its photosphere at an effective temperature of 4,493 K.[6]