All names: UCAC4 501-054915, PG 1049+103, 2MASS J10522772+1003380, ** FAR 59, WD 1049+103, LAMOST J105227.72+100337.6, WDS J10525+1004AB, WIRED J105227.71+100337.6, SDSS J105227.71+100337.6, Gaia DR2 3870876938088978816, PG, TIC 364955613, WISE J105227.72+100337.1, SDSS J105227.72+100337.6, USNO-B1.0 1000-00192205, WISEA J105227.71+100337.0, SDSS J105227.72+100337.7
| Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Koester et al. 2014 | Gianninas et al. 2011 | Liebert et al. 2005 | Zuckerman et al. 2003 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 52 27.72 | 10 52 27.72 | 10 52 27.75 (112) | 10 52 27.31 | 10 52 27.72 | ||||||||
| Declination | 10 03 37.66 | 10 03 37.62 | 10 03 38.15 (218) | 10 03 38.88 | 10 03 37.61 | ||||||||
| Spectral type | DA+M | DA+M | DA | DA3+dM | DA4 | DA+M | |||||||
| Effective temperature | [K] | 21045.0 (105) | 20388.0 (277) | 20000.0 (345) | 20550.0 (337) | 19800.0 | 22193.0 (107) | ||||||
| log(g) | [cgs] | 7.75 (0.03) | 7.80 (0.09) | 7.88 (0.05) | 7.91 (0.05) | 8.00 | 7.48 (0.01) | ||||||
| Mass | [M☉] | 0.5 (0.01) | 0.522 (0.04) | 0.56 (0.03) | 0.58 (0.03) | ||||||||
| log(Luminosity) | [L☉] | -1.50 | |||||||||||
| Cooling age | [Gyr] | 0.0661 | |||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | -7.182 | ||||||||||||
| log(C/H) | |||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | <-8.40 | ||||||||||||
| log(P/H) | |||||||||||||
| log(S/H) | |||||||||||||
| log(Sc/H) | |||||||||||||
| log(Ti/H) | |||||||||||||
| log(Cr/H) | |||||||||||||
| log(Mn/H) | |||||||||||||
| log(Fe/H) | |||||||||||||
| log(Ni/H) | |||||||||||||
| Parallax | [mas] | ||||||||||||
| Distance | [pc] | 129.00 (2) | 103.00 | 107.00 | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -32.0 (3) | |||||||||||
| Proper motion (declination) | [mas/yr] | -92.0 (6) | |||||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | |||||||||
| B magnitude | 15.83 (0.02) | ||||||||||||
| V magnitude | 15.81 (0.1) | 15.70 | 15.81 (0.1) | ||||||||||
| R magnitude | 15.30 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 13.27 | 13.27 (0.03) | |||||||||||
| H magnitude | 12.84 | 12.83 (0.04) | |||||||||||
| K magnitude | 12.54 | 12.48 (0.03) | |||||||||||
| u magnitude | 15.72 (0.005) | 15.71 | 15.72 (0.005) | 15.71 (0.02) | |||||||||
| g magnitude | 15.62 (0.004) | 15.65 | 15.62 (0.004) | 15.65 (0.03) | |||||||||
| r magnitude | 15.79 (0.004) | 15.82 | 15.79 (0.004) | 15.82 (0.02) | |||||||||
| i magnitude | 15.24 (0.004) | 15.25 | 15.24 (0.004) | 15.25 (0.02) | |||||||||
| z magnitude | 14.63 (0.005) | 14.65 | 14.63 (0.005) | 14.65 (0.02) | |||||||||
| G magnitude | 15.47 (0.005) | ||||||||||||
| BP magnitude | |||||||||||||
| RP magnitude | |||||||||||||
| Pan g magnitude | 15.65 (0.007) | ||||||||||||
| Pan r magnitude | 15.81 (0.003) | ||||||||||||
| Pan i magnitude | 15.28 (0.003) | ||||||||||||
| Pan z magnitude | 14.76 (0.004) | ||||||||||||
| Pan y magnitude | 14.46 (0.004) | ||||||||||||
| E(B-V) | 0.008 | ||||||||||||
* 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.