All names: UCAC4 148-008607, GALEXJ06448-6024, Gaia DR3 5480083536158472960, Gaia DR2 5480083536157814272, TIC 167554511, WISE J064448.94-602437.2, 2MASS J06444893-6024372, DENIS J064448.9-602437, Gaia EDR3 5480083536158472960, WISEA J064448.94-602437.2, UCAC2 5242338
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 06 44 48.94 (0.03) | 06 44 49.29 | 06 44 48.93 (0.03) | ||
| Declination | -60 24 37.33 (0.04) | -60 24 36.77 | -60 24 37.29 (0.04) | ||
| Spectral type | sdO | sdO | |||
| 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] | 0.94 (0.04) | 1.00 (0.04) | 0.94 (0.04) | |
| Distance | [pc] | 1066.10 (40) | 1003.11 (35) | 1066.10 (40) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 7.019 (0.04) | 6.982 (0.07) | 7.019 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.218 (0.05) | -2.108 (0.08) | -2.218 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.30 (0.02) | ||||
| V magnitude | 14.50 (0.02) | ||||
| R magnitude | 14.85 (0.1) | ||||
| I magnitude | 14.75 (0.03) | ||||
| J magnitude | 15.07 (0.05) | 15.07 (0.05) | |||
| H magnitude | 15.21 (0.1) | 15.21 (0.1) | |||
| K magnitude | 15.47 (0.2) | 15.47 (0.2) | |||
| u magnitude | |||||
| g magnitude | 14.31 (0.04) | ||||
| r magnitude | 14.75 (0.02) | ||||
| i magnitude | 15.07 (0.09) | ||||
| z magnitude | |||||
| G magnitude | 14.50 (0.003) | 14.50 (0.0006) | 14.50 (0.003) | ||
| BP magnitude | 14.35 (0.003) | 14.27 (0.008) | |||
| RP magnitude | 14.75 (0.004) | 14.74 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.064 | ||||
* 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.