All names: USNO-B1.0 0728-00000027, Gaia EDR3 2414485448212792064, MCT2357-1725, Gaia DR3 2414485448212792064, PHL 615, Gaia DR2 2414485448212792064, MCT 2357-1725
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 00 05.20 (0.06) | 00 00 05.15 | 00 00 05.19 (0.06) | ||
| Declination | -17 08 51.61 (0.05) | -17 08 51.60 | -17 08 51.45 (0.05) | ||
| Spectral type | sdO | sdO5He4 | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.36 (0.08) | 0.24 (0.1) | 0.36 (0.08) | |
| Distance | [pc] | 2789.40 (602) | 4231.91 (1918) | 2789.40 (602) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 8.192 (0.08) | 8.049 (0.2) | 8.192 (0.08) | |
| Proper motion (declination) | [mas/yr] | -10.159 (0.06) | -10.354 (0.1) | -10.159 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.40 | ||||
| V magnitude | 16.90 | ||||
| R magnitude | 16.80 | ||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 16.77 (0.003) | 16.80 (0.002) | 16.77 (0.003) | ||
| BP magnitude | 16.61 (0.005) | 16.55 (0.008) | |||
| RP magnitude | 17.09 (0.01) | 17.10 (0.01) | |||
| Pan g magnitude | 16.60 (0.003) | ||||
| Pan r magnitude | 17.03 (0.005) | ||||
| Pan i magnitude | 17.42 (0.004) | ||||
| Pan z magnitude | 17.69 (0.004) | ||||
| Pan y magnitude | 17.86 (0.006) | ||||
| E(B-V) | 0.014 | ||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.