All names: 2MASS J00520842-0051346, [SGR2010] J005208.42-005134.6, [RGR2007] J005208.42-005134.6, SDSS J005208.42-005134.6, WD 0049-011, SDSS J005208.42-005134.7, WDS J00521-0052AB, [SGR2010] J0052-0051, [HHD2009] SDSS J0052-0051, [SHW2006] J005208.42-005134.6, [SLH2007] J005208.42-005134.6, EPIC 220178204, [RGS2010] J005208.42-005134.6, PSO J005208.399+005134.782, Gaia DR2 2536687850583045888
| Parameter | Unit | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | Eisenstein et al. 2006 | Eisenstein et al. 2006 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2013 | Kleinman et al. 2013 | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 52 08.40 (0.09) | 00 52 08.42 | 00 52 08.43 | 00 52 08.42 | 00 52 08.42 | 00 52 08.42 | 00 52 08.42 | 00 52 07.51 | 00 52 08.42 | 00 52 08.42 | 00 52 08.42 | 00 52 08.42 | ||
| Declination | -00 51 35.08 (0.07) | -00 51 34.74 | -00 51 34.60 | -00 51 34.70 | -00 51 34.70 | -00 51 34.70 | -00 51 34.70 | -00 51 30.24 | -00 51 34.63 | -00 51 34.63 | -00 51 34.63 | -00 51 34.63 | ||
| Spectral type | DA+dMe | DA+M | DA+M | DA+M | DA+M | DA+M | DA+M | DA+M | DA+M | DA+M | ||||
| Effective temperature | [K] | 6300.0 (1) | 6302.0 (7) | 6300.0 (3) | 6300.0 (3) | 6300.0 (3) | 6300.0 (3) | 6300.0 (3) | 7147.0 (43) | |||||
| log(g) | [cgs] | 7.17 (0.09) | 5.00 (0.002) | 5.01 (0.1) | 5.01 (0.04) | 5.00 (0.005) | 5.00 (0.005) | 5.00 (0.003) | 5.00 (0.002) | |||||
| Mass | [M☉] | |||||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | |||||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 4.92 (0.1) | ||||||||||||
| Distance | [pc] | 203.07 (4) | ||||||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -31.9402181643 (0.2) | -28.0 | -27.2 | -27.2 | -27.2 | -27.2 | |||||||
| Proper motion (declination) | [mas/yr] | -28.3318374782 (0.1) | -30.0 | -28.5 | -28.5 | -28.5 | -28.5 | |||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | yes | WDMS | WDMS | WDMS | WDMS | |||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 14.55 | |||||||||||||
| H magnitude | 13.96 | |||||||||||||
| K magnitude | 13.69 | |||||||||||||
| u magnitude | 19.02 (0.02) | 19.05 | 19.05 (0.03) | 19.05 (0.03) | 19.05 (0.03) | 19.05 (0.03) | 19.04 | 19.03 (0.02) | 19.03 (0.02) | 19.03 (0.02) | 19.03 (0.02) | |||
| g magnitude | 18.32 (0.007) | 18.30 | 18.32 (0.02) | 18.32 (0.02) | 18.32 (0.02) | 18.32 (0.02) | 18.34 | 18.33 (0.02) | 18.33 (0.02) | 18.33 (0.02) | 18.33 (0.02) | |||
| r magnitude | 17.73 (0.007) | 17.72 | 17.71 (0.01) | 17.71 (0.01) | 17.71 (0.01) | 17.71 (0.01) | 17.71 | 17.71 (0.01) | 17.71 (0.01) | 17.71 (0.01) | 17.71 (0.01) | |||
| i magnitude | 16.68 (0.006) | 16.64 | 16.64 (0.03) | 16.64 (0.03) | 16.64 (0.03) | 16.64 (0.03) | 16.63 | 16.63 (0.03) | 16.63 (0.03) | 16.63 (0.03) | 16.63 (0.03) | |||
| z magnitude | 15.97 (0.007) | 15.94 | 15.92 (0.02) | 15.92 (0.02) | 15.92 (0.02) | 15.92 (0.02) | 15.95 | 15.91 (0.02) | 15.91 (0.02) | 15.91 (0.02) | 15.91 (0.02) | |||
| G magnitude | 17.22 | |||||||||||||
| BP magnitude | 18.15 | |||||||||||||
| RP magnitude | 16.19 | |||||||||||||
| Pan g magnitude | 18.22 (0.009) | |||||||||||||
| Pan r magnitude | 17.72 (0.003) | |||||||||||||
| Pan i magnitude | 16.66 (0.005) | |||||||||||||
| Pan z magnitude | 16.08 (0.007) | |||||||||||||
| Pan y magnitude | 15.78 (0.004) |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.