HD 100340
- Unique Name: HD 100340
- RA: 11 32 49.941
- Dec: +05 16 36.23
- Mag. V: 10.115
- Mag. B-V: -0.234
- Mag. U-B: -0.975
- Mag. V-R: -0.104
- Mag. R-I: -0.135
- Mag. V-I: -0.238
- N: 37.0
- M: 28.0
- Mean error of the mean V: 0.001
- Mean error of the mean B-V: 0.001
- Mean error of the mean U-B: 0.002
- Mean error of the mean V-R: 0.001
- Mean error of the mean R-I: 0.001
- Mean error of the mean V-I: 0.001