Dschubba
star · Scorpius · 2.3ᵐ
Blue-white star in Scorpius.
Notable facts
The light you see today left Dschubba around the year 1535.
About 30 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Dschubba in?
Dschubba lies in Scorpius.
Is Dschubba visible to the naked eye?
2.3ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Dschubba?
Best observed in May.
Data
- RA / Dec (J2000)
- 16h 00m · −22° 37′
- Type
- star
- Constellation
- Scorpius
- How to observe
- 2.3ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- B0.2IV — blue-white star
- Absolute magnitude
- -3.6ᵐ
- Luminosity
- ≈2,355 × the Sun
- Distance
- ~491 light years
- Designation
- HIP 78401
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° | 7° | 140° |
| +55° | 12° | 132° |
| +45° | 22° | 123° |
| +30° | 37° | 116° |
| 0° | 67° | 113° |
| −35° | 78° | 118° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 08:15 |
| February | 06:08 |
| March | 04:22 |
| April | 02:29 |
| May | 00:35 |
| June | 22:28 |
| July | 20:25 |
| August | 18:24 |
| September | 16:30 |
| October | 14:42 |
| November | 12:41 |
| December | 10:32 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.