All names: 2QZ J115305.7+005646, SDSS J115305.47+005645.9, WD 1150+012, GALEX J115305.4+005646, SDSS J115305.54+005646.2, ** SLN 23A, [BDP2014b] CDDS25, SDSS J115305.55+005646.2, Gaia DR3 3796148080551926016, SDSS J115305.54+005646.1, Gaia EDR3 3796148080551926016, WDS J11531+0057A, SDSS J115305.47+005645.8, Gaia DR2 3796148080551926016
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Dufour et al. 2008 | Liebert et al. 2003 | Harris et al. 2003 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 53 05.39 (0.2) | 11 53 05.48 | 11 53 05.39 (0.4) | 11 53 05.39 | 11 53 05.54 (0.2) | 11 53 05.55 | 11 53 04.80 | 11 53 05.55 | |||||||
| Declination | 00 56 45.43 (0.1) | 00 56 45.92 | 00 56 45.45 (0.1) | 00 56 45.43 | 00 56 46.15 (0.1) | 00 56 46.17 | 00 56 42.36 | 00 56 46.20 | |||||||
| Spectral type | DQ | DQ | DQ CII | DQ | DQ | DQhot | DQC2 | DQHOT | hotDQ | ||||||
| Effective temperature | [K] | 21650.0 (320) | 28000.0 | 18848.0 (3313) | 98438.0 (3653) | 91636.0 (7664) | |||||||||
| log(g) | [cgs] | 8.00 (0) | 9.25 (0.1) | 8.93 (0.08) | 9.64 (0.3) | ||||||||||
| Mass | [M☉] | 1.282 (0.03) | |||||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | ||||||||||||||
| log(H/He) | |||||||||||||||
| log(C/He) | |||||||||||||||
| log(Ca/He) | |||||||||||||||
| log(Ca/H) | |||||||||||||||
| Parallax | [mas] | 6.05 (0.3) | 6.32 (0.4) | 6.05 | 6.05 (0.3) | ||||||||||
| Distance | [pc] | 165.35 (7) | 158.30 (10) | 515.00 | 165.35 | 165.35 (7) | |||||||||
| Composition | C | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -141.2761031 (0.3) | -141.1416034 (0.8) | -141.276 (0.3) | -139.5 | ||||||||||
| Proper motion (declination) | [mas/yr] | -44.96074903 (0.2) | -45.26681645 (0.3) | -44.961 (0.2) | -49.3 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.86 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.38 (0.01) | 18.40 | 18.38 (0.01) | 18.42 (0.02) | 18.40 | 18.42 (0.02) | |||||||||
| g magnitude | 18.89 (0.009) | 18.89 | 18.89 (0.009) | 18.89 (0.02) | 18.89 | 18.89 (0.02) | |||||||||
| r magnitude | 19.33 (0.01) | 19.37 | 19.33 (0.01) | 19.39 (0.03) | 19.37 | 19.38 (0.02) | |||||||||
| i magnitude | 19.65 (0.02) | 19.64 | 19.65 (0.02) | 19.61 (0.03) | 19.64 | 19.62 (0.03) | |||||||||
| z magnitude | 19.89 (0.08) | 19.95 | 19.89 (0.08) | 19.92 (0.2) | 19.95 | 19.94 (0.1) | |||||||||
| G magnitude | 19.11 (0.02) | 19.16 | 19.11 | 19.11 (0.003) | |||||||||||
| BP magnitude | 18.99 (0.02) | 18.91 | |||||||||||||
| RP magnitude | 19.41 (0.04) | 19.30 | |||||||||||||
| Pan g magnitude | 18.97 (0.03) | ||||||||||||||
| Pan r magnitude | 19.36 (0.008) | ||||||||||||||
| Pan i magnitude | 19.69 (0.01) | ||||||||||||||
| Pan z magnitude | 19.94 (0.03) | ||||||||||||||
| Pan y magnitude | 19.92 (0.07) | ||||||||||||||
| E(B-V) | 0.014 | ||||||||||||||
* 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.