Phact
star · Columba · 2.6ᵐ
Blue-white star in Columba.
Notable facts
The light you see today left Phact around the year 1765.
About 22 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Phact in?
Phact lies in Columba.
Is Phact visible to the naked eye?
2.6ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Phact?
Best observed in December.
Data
- RA / Dec (J2000)
- 5h 40m · −34° 04′
- Type
- star
- Constellation
- Columba
- How to observe
- 2.6ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- B7IV — blue-white star
- Absolute magnitude
- -1.9ᵐ
- Luminosity
- ≈479 × the Sun
- Distance
- ~261 light years
- Designation
- HIP 26634
Observing tip
Stars stay points at any magnification: aim your telescope for colour, brightness and companions, not detail.
Altitude above the horizon by latitude
| Latitude | Maximum altitude | Rise azimuth |
|---|---|---|
| +60° | never rises | — |
| +55° | 1° | 168° |
| +45° | 11° | 142° |
| +30° | 26° | 130° |
| 0° | 56° | 124° |
| −35° | 89° | 133° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 21:54 |
| February | 19:47 |
| March | 18:02 |
| April | 16:08 |
| May | 14:14 |
| June | 12:08 |
| July | 10:04 |
| August | 08:03 |
| September | 06:10 |
| October | 04:21 |
| November | 02:20 |
| December | 00:12 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.