All names: WIRED J150231.65+011046.0, TIC 460358841, LSPM J1502+0110, SDSS J150231.66+011045.9, DENIS J150231.6+011046, LAMOST J150231.65+011045.8, SDSS J150231.63+011044.7, SDSS J150231.65+011045.8, USNO-B1.0 0911-00240589, WISEA J150231.59+011044.2, 2MASS J15023168+0110461, SDSS J150231.65+011046.0, Gaia EDR3 1153144056928075904, Gaia DR2 1153144056928075904, NLTT 39112, WD 1459+013, SDSS J150231.66+011046.0, WISE J150231.60+011044.3, LP 621-58, GALEX J150231.6+011044
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 02 31.57 (0.5) | 15 02 31.65 | 15 02 31.57 (0.3) | 15 02 31.65 | 15 02 31.66 (48) | 15 02 31.65 | 15 02 31.70 | 15 02 31.66 | |||||
| Declination | 01 10 42.80 (0.6) | 01 10 45.64 | 01 10 42.90 (0.2) | 01 10 45.98 | 01 10 46.32 (188) | 01 10 45.83 | 01 10 51.24 | 01 10 45.88 | |||||
| Spectral type | DA+M | DA | DA3:+M | DA+dMe | DA+M | ? | DA+M | ||||||
| Effective temperature | [K] | 14238.0 (1024) | 16630.0 (670) | 9513.0 (57) | 9248.0 (66) | ||||||||
| log(g) | [cgs] | 7.94 (0.2) | 8.01 (0.1) | 7.84 (0.08) | 7.38 (0.1) | ||||||||
| Mass | [M☉] | 0.577 (0.1) | 0.62 (0.07) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.1622 | |||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | |||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | |||||||||||||
| 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] | 3.64 (0.3) | |||||||||||
| Distance | [pc] | 274.72 (24) | 1171.00 (329) | ||||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -79.22385958 (0.6) | -78.0 (1) | -80.1 | |||||||||
| Proper motion (declination) | [mas/yr] | -187.1978117 (0.5) | -186.0 (5) | -195.5 | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | 18.20 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.30 | ||||||||||||
| I magnitude | 17.59 (0.1) | ||||||||||||
| J magnitude | 16.22 (0.009) | ||||||||||||
| H magnitude | 15.70 (0.01) | ||||||||||||
| K magnitude | 15.44 (0.02) | ||||||||||||
| u magnitude | 18.90 (0.02) | 18.88 | 18.88 | 18.87 (0.02) | 18.88 (0.03) | 18.89 | 18.91 (0.03) | ||||||
| g magnitude | 18.45 (0.007) | 18.46 | 18.47 | 18.44 (0.008) | 18.46 (0.02) | 18.48 | 18.47 (0.02) | ||||||
| r magnitude | 18.45 (0.008) | 18.50 | 18.51 | 18.44 (0.009) | 18.50 (0.02) | 18.51 | 18.50 (0.02) | ||||||
| i magnitude | 18.01 (0.008) | 18.07 | 18.07 | 17.98 (0.008) | 18.07 (0.02) | 18.08 | 18.08 (0.02) | ||||||
| z magnitude | 17.51 (0.01) | 17.54 | 17.53 | 17.50 (0.02) | 17.54 (0.02) | 17.52 | 17.56 (0.02) | ||||||
| G magnitude | 18.65 (0.05) | 18.63 | |||||||||||
| BP magnitude | 18.56 (0.05) | 18.49 | |||||||||||
| RP magnitude | 17.58 (0.03) | 17.62 | |||||||||||
| Pan g magnitude | 18.46 (0.004) | ||||||||||||
| Pan r magnitude | 18.53 (0.01) | ||||||||||||
| Pan i magnitude | 18.06 (0.004) | ||||||||||||
| Pan z magnitude | 17.65 (0.007) | ||||||||||||
| Pan y magnitude | 17.44 (0.009) | ||||||||||||
| E(B-V) | 0.040 | ||||||||||||
* 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.