Izar
star · Boötes · 2.4ᵐ
White star in Boötes.
Notable facts
The light you see today left Izar around the year 1823.
About 29 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Izar in?
Izar lies in Boötes.
Is Izar visible to the naked eye?
2.4ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Izar?
Best observed in May.
Data
- RA / Dec (J2000)
- 14h 45m · +27° 04′
- Type
- star
- Constellation
- Boötes
- How to observe
- 2.4ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- A0 — white star
- Absolute magnitude
- -1.6ᵐ
- Luminosity
- ≈380 × the Sun
- Distance
- ~203 light years
- Designation
- HIP 72105
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° | 57° | 24° |
| +55° | 62° | 37° |
| +45° | 72° | 50° |
| +30° | 87° | 58° |
| 0° | 63° | 63° |
| −35° | 28° | 56° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 06:59 |
| February | 04:52 |
| March | 03:07 |
| April | 01:14 |
| May | 23:19 |
| June | 21:13 |
| July | 19:09 |
| August | 17:08 |
| September | 15:15 |
| October | 13:26 |
| November | 11:26 |
| December | 09:17 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.