All names: GEN# +6.20020055, EGGR 55, UBV 7597, WD 0749-383, EGGR55, TIC 131343095, Gaia DR3 5538507082940921472, NGC 2477 116, Gaia DR2 5538507082940921472, WD 0749-38, CSI-38-07498, GSC 07646-03022, UBV M 33045, UCAC2 15453869, Cl* NGC 2477 HART phi, Gaia EDR3 5538507082940921472, 2MASS J07513257-3828363
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 07 51 32.64 (0.02) | 07 51 32.53 | 07 51 32.64 (0.03) | 07 51 32.58 (0.02) | 07 51 40.82 | ||
| Declination | -38 28 36.60 (0.03) | -38 28 35.29 | -38 28 36.59 (0.03) | -38 28 36.41 (0.03) | -38 28 45.84 | ||
| Spectral type | sdOB | sdOB | DA | ||||
| 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] | 1.85 (0.03) | 1.86 (0.04) | 1.86 (0.04) | 1.85 (0.03) | ||
| Distance | [pc] | 540.26 (8) | 538.30 (10) | 538.31 (10) | 540.25 (8) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 47.05498913 (0.03) | 47.003 (0.06) | 47.00349655 (0.06) | 47.055 (0.03) | ||
| Proper motion (declination) | [mas/yr] | -11.70596549 (0.03) | -11.765 (0.06) | -11.76477255 (0.06) | -11.706 (0.03) | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 13.53 | ||||||
| V magnitude | 13.66 | ||||||
| R magnitude | 13.99 | ||||||
| I magnitude | |||||||
| J magnitude | 14.19 (0.03) | 14.19 (0.03) | |||||
| H magnitude | 14.28 (0.05) | 14.28 (0.05) | |||||
| K magnitude | 14.30 (0.09) | 14.30 (0.09) | |||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 13.81 (0.001) | 13.83 (0.0005) | 13.83 | 13.81 (0.003) | |||
| BP magnitude | 13.73 (0.001) | 13.68 (0.006) | 13.68 | ||||
| RP magnitude | 13.97 (0.0009) | 13.97 (0.002) | 13.97 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.095 | ||||||
* 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.