All names: AGC 25525, Gaia DR2 5508491102689628160, ESO-LV 207-0210, FRL 825, 2MASX J07070465-4910366, WD 0651-479, 2MFGC 5640, ESO 207-21, Gaia EDR3 5508491102689628160, LEDA 20173, Gaia DR3 5508491102689628160
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Bergeron et al. 2001 | Bergeron et al. 1997 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 07 04.69 (0.02) | 07 07 04.69 (0.02) | 07 07 04.70 (0.02) | 06 53 09.46 | ||||
| Declination | -49 10 36.96 (0.02) | -49 10 36.97 (0.02) | -49 10 37.13 (0.02) | -48 01 53.40 | ||||
| Spectral type | DC | DC9 | ||||||
| Effective temperature | [K] | 4660.0 (40) | 4370.0 (130) | |||||
| log(g) | [cgs] | 8.02 (0.2) | 8.00 (0) | |||||
| Mass | [M☉] | 0.58 (0.1) | 0.58 | |||||
| log(Luminosity) | [L☉] | -4.19 (0.09) | -4.28 | |||||
| Cooling age | [Gyr] | 7.0000 (1) | 7.4000 | |||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| log(N/He) | ||||||||
| log(O/He) | ||||||||
| log(Na/He) | ||||||||
| log(Mg/He) | ||||||||
| log(Al/He) | ||||||||
| log(Si/He) | ||||||||
| log(P/He) | ||||||||
| log(S/He) | ||||||||
| log(Cl/He) | ||||||||
| log(Sc/He) | ||||||||
| log(Ti/He) | ||||||||
| log(V/He) | ||||||||
| log(Cr/He) | ||||||||
| log(Mn/He) | ||||||||
| log(Fe/He) | ||||||||
| log(Co/He) | ||||||||
| log(Ni/He) | ||||||||
| log(Cu/He) | ||||||||
| log(Zn/He) | ||||||||
| log(Ga/He) | ||||||||
| log(Ge/He) | ||||||||
| log(Sr/He) | ||||||||
| Parallax | [mas] | 1.54 (0.02) | 1.55 (0.02) | 16.10 (2) | 1.54 (0.02) | 16.10 (2) | ||
| Distance | [pc] | 650.34 (8) | 644.70 (9) | 62.11 (6) | 650.32 (8) | 62.11 (8) | ||
| Composition | He | H | ||||||
| Proper motion (right ascension) | [mas/yr] | -6.520226481 (0.02) | -6.469 (0.04) | -6.52 (0.02) | ||||
| Proper motion (declination) | [mas/yr] | 10.29078693 (0.02) | 10.405 (0.04) | 10.291 (0.02) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 20.75 | 20.75 | 15.45 | |||||
| V magnitude | 19.54 | 19.54 | 19.60 | |||||
| R magnitude | 18.89 | 18.89 | 14.30 | |||||
| I magnitude | 18.30 | 18.30 | ||||||
| J magnitude | 17.70 | 17.70 | 12.09 (0.03) | |||||
| H magnitude | 17.47 | 17.47 | 11.37 (0.04) | |||||
| K magnitude | 17.45 | 17.45 | 11.09 (0.05) | |||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.07 (0.003) | 15.06 | 15.07 (0.003) | |||||
| BP magnitude | 15.51 (0.003) | 15.53 | ||||||
| RP magnitude | 14.28 (0.002) | 14.29 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.050 | |||||||
* 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.