All names: Gaia DR3 3657800346359111296, 2QZ J135521.2-023123, SDSS J135521.32-023122.3, [HHD2009] SDSS J1355-0231, SDSS J135521.32-023122.4, Gaia EDR3 3657800346359111296, GALEX J135521.3-023121, WD 1352-022, Gaia DR2 3657800346359111296, WIRED J135521.32-023122.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 55 21.32 (0.5) | 13 55 21.32 | 13 55 21.32 (0.5) | 13 55 21.32 | 13 55 21.32 (0.5) | 13 55 21.32 | 13 55 21.10 | 13 55 21.32 | |||
| Declination | -02 31 22.35 (0.4) | -02 31 22.36 | -02 31 22.35 (0.4) | -02 31 22.30 | -02 31 22.36 (0.4) | -02 31 22.36 | -02 31 22.80 | -02 31 22.39 | |||
| Spectral type | DA+K | DA+K | DA+M: | DA: dK | DA+M | ||||||
| Effective temperature | [K] | 27743.0 (3252) | 6301.0 (3) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.86 (0.6) | 7.92 (0.5) | 9.75 (1) | |||||||
| Mass | [M☉] | 0.57 (0.4) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.67 (0.5) | 0.84 (0.5) | 0.67 (0.5) | |||||||
| Distance | [pc] | 1487.03 (1133) | 1197.59 (712) | 9.00 (2) | 1486.99 (1133) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.995544501 (0.7) | -5.062180329 (1) | -5.996 (0.7) | 4.5 | ||||||
| Proper motion (declination) | [mas/yr] | 0.661270643 (0.5) | 2.259082405 (0.8) | 0.661 (0.5) | -1.3 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | 19.95 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.98 (0.04) | 20.02 | 19.98 (0.04) | 20.02 (0.04) | 20.02 | 19.98 (0.04) | |||||
| g magnitude | 19.61 (0.01) | 19.66 | 19.64 (0.01) | 19.66 (0.03) | 19.66 | 19.63 (0.02) | |||||
| r magnitude | 19.03 (0.01) | 19.05 | 19.05 (0.01) | 19.05 (0.02) | 19.06 | 19.04 (0.02) | |||||
| i magnitude | 18.52 (0.01) | 18.54 | 18.53 (0.01) | 18.55 (0.02) | 18.55 | 18.53 (0.02) | |||||
| z magnitude | 18.20 (0.03) | 18.24 | 18.23 (0.03) | 18.24 (0.03) | 18.24 | 18.21 (0.03) | |||||
| G magnitude | 19.16 (0.04) | 19.09 | 19.16 (0.01) | ||||||||
| BP magnitude | 19.47 (0.04) | 19.42 | |||||||||
| RP magnitude | 18.22 (0.02) | 18.20 | |||||||||
| Pan g magnitude | 19.59 (0.02) | ||||||||||
| Pan r magnitude | 19.07 (0.01) | ||||||||||
| Pan i magnitude | 18.57 (0.005) | ||||||||||
| Pan z magnitude | 18.30 (0.007) | ||||||||||
| Pan y magnitude | 18.17 (0.01) | ||||||||||
| E(B-V) | 0.024 | ||||||||||
* 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.