All names: LAMOST J142241.91+513538.0, CBS 266, LAMOST J142241.90+513537.9, SDSS J142241.90+513538.0, SBSS 1420+518, WD 1420+518, 2MASS J14224191+5135378, SDSS J142241.90+513537.9, Gaia DR3 1604805738354793600, [HHD2009] SDSS J1422+5135, TIC 441705185, SDSS J142241.90+513537.8, Gaia DR2 1604805738352537856, PG 1420+518, WIRED J142241.90+513537.9
| Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 22 41.90 | 14 22 41.89 (1) | 14 22 41.90 | 14 22 41.89 (0.7) | 14 22 41.90 | 14 22 41.69 | 14 22 41.90 | ||||
| Declination | 51 35 37.86 | 51 35 37.62 (1) | 51 35 37.90 | 51 35 37.61 (0.8) | 51 35 37.96 | 51 35 35.88 | 51 35 37.96 | ||||
| Spectral type | DAO+M | DA+K | DA+dK | DA:+M | DA d | DA+M | |||||
| Effective temperature | [K] | 67148.0 (2135) | 6504.0 (30) | 10110.0 (45) | 10730.0 (66) | ||||||
| log(g) | [cgs] | 7.34 (0.1) | 9.06 (0.08) | 8.64 (0.2) | 8.49 (0.05) | ||||||
| Mass | [M☉] | 0.48 (0.03) | 1.23 (0.04) | ||||||||
| log(Luminosity) | [L☉] | 1.04 (0.1) | |||||||||
| Cooling age | [Gyr] | 0.0001 | |||||||||
| 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] | ||||||||||
| Distance | [pc] | 118.00 (89) | |||||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.0 (3) | -0.6 | ||||||||
| Proper motion (declination) | [mas/yr] | -2.0 (3) | -1.0 | ||||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | 15.75 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.38 (0.03) | ||||||||||
| H magnitude | 13.76 (0.03) | ||||||||||
| K magnitude | 13.71 (0.05) | ||||||||||
| u magnitude | 15.39 (0.004) | 15.37 | 15.38 (0.004) | 15.37 (0.01) | 15.37 | 15.39 (0.01) | |||||
| g magnitude | 15.68 (0.003) | 15.70 | 15.68 (0.003) | 15.70 (0.03) | 15.70 | 15.69 (0.03) | |||||
| r magnitude | 15.67 (0.004) | 15.70 | 15.66 (0.004) | 15.70 (0.01) | 15.70 | 15.70 (0.01) | |||||
| i magnitude | 15.50 (0.004) | 15.54 | 15.50 (0.004) | 15.54 (0.02) | 15.54 | 15.53 (0.02) | |||||
| z magnitude | 15.39 (0.005) | 15.43 | 15.38 (0.005) | 15.43 (0.01) | 15.43 | 15.42 (0.01) | |||||
| G magnitude | 15.89 | 16.17 (0.006) | |||||||||
| BP magnitude | 15.65 | ||||||||||
| RP magnitude | 15.15 | ||||||||||
| Pan g magnitude | 15.75 (0.006) | ||||||||||
| Pan r magnitude | 15.70 (0.005) | ||||||||||
| Pan i magnitude | 15.55 (0.002) | ||||||||||
| Pan z magnitude | 15.45 (0.003) | ||||||||||
| Pan y magnitude | 15.39 (0.007) | ||||||||||
| E(B-V) | 0.012 | ||||||||||
* 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.