All names: LSPM J0902+1535, Gaia DR3 610411820238973056, Gaia EDR3 610411820238973056, J0902+1535, Gaia DR2 610411820238973056, USNO-B1.0 1055-00177248, LP 426-51, TIC 437062760, 2MASS J09024064+1535583, PM J09026+1535, WD 0859+157, SDSS J090240.46+153556.7, SDSS J090240.47+153556.7, WDJ090240.57+153557.91, NLTT 20824, 09026+1535, PSO J135.6680+15.5987
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 02 40.24 (0.2) | 09 02 40.47 | 09 02 40.25 (0.2) | 09 02 40.24 | 09 02 40.57 (0.2) | 09 02 40.25 | 09 02 39.94 | |||||||||
| Declination | 15 35 54.38 (0.2) | 15 35 56.75 | 15 35 54.49 (0.1) | 15 35 54.38 | 15 35 57.81 (0.2) | 15 35 54.49 | 15 35 55.32 | |||||||||
| Spectral type | DC | DC | DC | DA: | DC | DC | DA: | |||||||||
| Effective temperature | [K] | 4659.0 (20) | 4625.0 (30) | 4650.0 | 4341.0 | 4670.0 (36) | 4689.0 (39) | |||||||||
| log(g) | [cgs] | 7.22 (0.02) | 7.18 (0.04) | 7.19 | 6.92 | 8.00 (0) | 7.28 (0.03) | |||||||||
| Mass | [M☉] | 0.226 (0.009) | 0.213 (0.01) | 0.218 | 0.14 | 0.58 (0.1) | 0.244 (0.01) | |||||||||
| log(Luminosity) | [L☉] | -4.17 | ||||||||||||||
| Cooling age | [Gyr] | 2.1200 | 2.1350 (0.09) | 2.1320 | ||||||||||||
| 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] | 21.32 (0.2) | 20.82 (0.2) | 20.82 (0.2) | 20.82 (0.2) | 21.32 | 21.32 (0.2) | 20.82 (0.2) | ||||||||
| Distance | [pc] | 46.90 (0.5) | 48.03 (0.5) | 48.03 (0.5) | 48.03 (0.5) | 31.60 (4) | 46.90 | 46.90 (0.5) | 48.03 (0.5) | |||||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -301.8391031 (0.3) | -298.3114183 (0.4) | -301.839 (0.3) | -298.3114183 | |||||||||||
| Proper motion (declination) | [mas/yr] | -214.3482083 (0.2) | -220.4295139 (0.2) | -214.348 (0.2) | -220.4295139 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 18.60 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 17.40 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.29 (0.01) | 16.23 (0.1) | 16.23 | 16.23 (0.1) | ||||||||||||
| H magnitude | 16.09 (0.2) | 16.09 (0.2) | 16.08 | 16.09 (0.2) | ||||||||||||
| K magnitude | 15.20 (0.03) | 15.20 | ||||||||||||||
| u magnitude | 20.39 (0.05) | 20.37 (0.05) | 20.37 | 20.39 (0.05) | 20.39 (0.05) | |||||||||||
| g magnitude | 18.51 (0.007) | 18.51 | 18.40 (0.009) | 18.52 (0.007) | ||||||||||||
| r magnitude | 17.64 (0.006) | 17.66 | 17.66 (0.003) | 17.64 (0.006) | ||||||||||||
| i magnitude | 17.32 (0.006) | 17.34 | 17.34 (0.006) | 17.32 (0.006) | ||||||||||||
| z magnitude | 17.17 (0.01) | 17.19 | 17.24 (0.006) | 17.18 (0.01) | ||||||||||||
| G magnitude | 17.73 (0.01) | 17.74 | 17.73 | 17.73 (0.003) | 17.74 | |||||||||||
| BP magnitude | 18.27 (0.01) | 18.26 | 18.26 | |||||||||||||
| RP magnitude | 17.00 (0.009) | 16.99 | 16.99 | |||||||||||||
| Pan g magnitude | 18.40 (0.01) | 18.40 (0.01) | 18.40 (0.01) | |||||||||||||
| Pan r magnitude | 17.66 (0.003) | 17.66 (0.003) | 17.66 (0.003) | |||||||||||||
| Pan i magnitude | 17.34 (0.006) | 17.34 (0.006) | 17.34 (0.006) | |||||||||||||
| Pan z magnitude | 17.24 (0.006) | 17.24 (0.006) | 17.24 (0.006) | |||||||||||||
| Pan y magnitude | 17.18 (0.02) | 17.18 (0.02) | 17.18 (0.02) | |||||||||||||
| E(B-V) | 0.001 | |||||||||||||||
* 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.