All names: WD 1522+508, Gaia EDR3 1595543929141360000, [HHD2009] SDSS J1524+5040, SBC9 3384, CBS 318, 2MASS J15242519+5040098, WIRED J152425.21+504009.7, [SGR2010] J1524+5040, LAMOST J152425.21+504009.7, SDSS J152425.21+504009.7, Gaia DR2 1595543929141360000, TIC 193992619, SDSS J152425.21+504009.8, SDSS J152425.22+504009.3, Gaia DR3 1595543929141360000
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 24 25.24 (0.05) | 15 24 25.21 | 15 24 25.24 (0.06) | 15 24 25.21 | 15 24 25.22 (0.05) | 15 24 25.21 | 15 24 25.30 | 15 24 25.21 | ||||||
| Declination | 50 40 09.31 (0.05) | 50 40 09.75 | 50 40 09.33 (0.06) | 50 40 09.70 | 50 40 09.85 (0.05) | 50 40 09.77 | 50 40 04.44 | 50 40 09.77 | ||||||
| Spectral type | DA+M | DA+M | DA | DA+dMe | DA+M | DA | DA+M | DA | ||||||
| Effective temperature | [K] | 20098.0 (282) | 21520.0 (370) | 8873.0 (27) | 8793.0 (29) | |||||||||
| log(g) | [cgs] | 8.14 (0.05) | 8.15 (0.05) | 8.44 (0.03) | 8.02 (0.04) | |||||||||
| Mass | [M☉] | 0.705 (0.03) | 0.71 (0.03) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.0794 | ||||||||||||
| 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] | 4.55 (0.05) | 4.43 (0.07) | 4.55 (0.05) | ||||||||||
| Distance | [pc] | 219.56 (2) | 225.76 (4) | 219.56 (2) | ||||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 12.47418123 (0.05) | 12.60488691 (0.1) | 12.474 (0.05) | 11.7 | |||||||||
| Proper motion (declination) | [mas/yr] | -33.4395179 (0.06) | -33.30131746 (0.1) | -33.44 (0.06) | -36.2 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | 17.00 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 14.76 (0.04) | |||||||||||||
| H magnitude | 14.14 (0.04) | |||||||||||||
| K magnitude | 13.96 (0.06) | |||||||||||||
| u magnitude | 17.45 (0.01) | 17.42 | 17.44 (0.01) | 17.42 (0.01) | 17.42 | 17.44 (0.01) | ||||||||
| g magnitude | 17.30 (0.005) | 17.32 | 17.30 (0.005) | 17.32 (0.02) | 17.31 | 17.31 (0.02) | ||||||||
| r magnitude | 17.27 (0.006) | 17.27 | 17.26 (0.006) | 17.27 (0.01) | 17.26 | 17.27 (0.01) | ||||||||
| i magnitude | 16.63 (0.006) | 16.60 | 16.62 (0.006) | 16.60 (0.02) | 16.59 | 16.60 (0.02) | ||||||||
| z magnitude | 16.06 (0.008) | 16.05 | 16.05 (0.008) | 16.05 (0.02) | 16.04 | 16.06 (0.02) | ||||||||
| G magnitude | 16.91 (0.005) | 16.92 | 16.91 (0.003) | |||||||||||
| BP magnitude | 17.33 (0.005) | 17.31 | ||||||||||||
| RP magnitude | 16.19 (0.004) | 16.20 | ||||||||||||
| Pan g magnitude | 17.32 (0.004) | |||||||||||||
| Pan r magnitude | 17.31 (0.004) | |||||||||||||
| Pan i magnitude | 16.65 (0.004) | |||||||||||||
| Pan z magnitude | 16.16 (0.002) | |||||||||||||
| Pan y magnitude | 15.92 (0.005) | |||||||||||||
| E(B-V) | 0.018 | |||||||||||||
* 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.