All names: J1427+0532, 14278+0532, TIC 402184491, Gaia DR2 3669936102871625600, Gaia EDR3 3669936102871625600, USNO-B1.0 0955-00234239, 2MASS J14274811+0532321, PM J14278+0532, WD 1425+057, LP 560-24, NLTT 37408, SDSS J142748.12+053232.2, PSO J216.9497+05.5416, SDSS J142748.12+053232.3, WDJ142748.13+053232.58, LSPM J1427+0532, PM J14277+0532, SDSS J142748.11+053232.3, Gaia DR3 3669936102871625600
| 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 | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 27 47.92 (0.06) | 14 27 48.11 | 14 27 47.93 (0.08) | 14 27 48.12 | 14 27 47.92 | 14 27 48.13 (0.06) | 14 27 47.93 | 14 27 47.83 | 14 27 48.12 | |||||||||
| Declination | 05 32 29.84 (0.05) | 05 32 32.31 | 05 32 29.93 (0.07) | 05 32 32.20 | 05 32 29.84 | 05 32 32.59 (0.05) | 05 32 29.93 | 05 32 29.76 | 05 32 32.29 | |||||||||
| Spectral type | DC | DC | DC | DC | DA+DC | DC | DC | DA+DC | DC | DA | DC | DC | ||||||
| Effective temperature | [K] | 6500.0 (22) | 6725.0 (155) | 7107.0 | 6840.0 | 7030.0 (218) | 7060.0 (30) | 6434.0 (78) | 6301.0 (5) | |||||||||
| log(g) | [cgs] | 7.95 (0.008) | 8.11 (0.06) | 8.25 | 8.14 | 8.00 (0.2) | 8.01 (0.02) | 10.00 (0.003) | ||||||||||
| Mass | [M☉] | 0.546 (0.006) | 0.641 (0.04) | 0.751 | 0.664 | 0.59 (0.1) | 0.578 (0.02) | |||||||||||
| log(Luminosity) | [L☉] | -3.45 | ||||||||||||||||
| Cooling age | [Gyr] | 1.8400 | 2.1350 (0.2) | 2.3530 | 2.2040 | |||||||||||||
| log(H/He) | -3.2 | |||||||||||||||||
| log(C/He) | ||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||
| log(N/He) | ||||||||||||||||||
| log(O/He) | ||||||||||||||||||
| log(Na/He) | ||||||||||||||||||
| log(Mg/He) | ||||||||||||||||||
| log(Al/He) | ||||||||||||||||||
| log(Si/He) | ||||||||||||||||||
| log(P/He) | ||||||||||||||||||
| log(S/He) | ||||||||||||||||||
| log(Cl/He) | ||||||||||||||||||
| log(Sc/He) | ||||||||||||||||||
| log(Ti/He) | ||||||||||||||||||
| log(V/He) | ||||||||||||||||||
| log(Cr/He) | ||||||||||||||||||
| log(Mn/He) | ||||||||||||||||||
| log(Fe/He) | ||||||||||||||||||
| log(Co/He) | ||||||||||||||||||
| log(Ni/He) | ||||||||||||||||||
| log(Cu/He) | ||||||||||||||||||
| log(Zn/He) | ||||||||||||||||||
| log(Ga/He) | ||||||||||||||||||
| log(Ge/He) | ||||||||||||||||||
| log(Sr/He) | ||||||||||||||||||
| Parallax | [mas] | 23.89 (0.07) | 23.93 (0.09) | 23.93 (0.09) | 23.93 (0.09) | 23.89 | 23.89 (0.07) | 23.93 (0.09) | ||||||||||
| Distance | [pc] | 41.87 (0.1) | 41.79 (0.2) | 41.79 (0.2) | 41.79 (0.2) | 69.30 (8) | 48.50 | 41.87 | 41.87 (0.1) | 41.79 (0.2) | ||||||||
| Composition | He | He | H | He | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -195.7928503 (0.07) | -195.951064 (0.2) | -195.793 (0.07) | -195.951 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -171.4993088 (0.06) | -171.3995809 (0.1) | -171.499 (0.06) | -171.4 | |||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | WD+WD | |||||||||||||||||
| B magnitude | 17.60 | |||||||||||||||||
| V magnitude | ||||||||||||||||||
| R magnitude | 16.70 | |||||||||||||||||
| I magnitude | ||||||||||||||||||
| J magnitude | 16.24 (0.01) | 16.30 (0.1) | 16.30 | 16.24 (0.01) | 16.30 (0.1) | |||||||||||||
| H magnitude | 16.13 (0.02) | 16.03 (0.1) | 16.03 | 16.15 (0.02) | 16.03 (0.1) | |||||||||||||
| K magnitude | 15.98 (0.03) | 15.93 (0.3) | 15.93 | 15.97 (0.03) | 15.93 (0.3) | |||||||||||||
| u magnitude | 17.62 (0.01) | 17.59 (0.01) | 17.61 | 17.61 (0.01) | 17.62 (0.01) | 17.62 (0.01) | 17.58 (0.02) | |||||||||||
| g magnitude | 17.04 (0.004) | 17.02 | 17.02 (0.004) | 17.02 (0.005) | 17.04 (0.004) | 17.03 (0.02) | ||||||||||||
| r magnitude | 16.87 (0.004) | 16.86 | (0.004) | 16.87 (0.003) | 16.87 (0.004) | 16.86 (0.02) | ||||||||||||
| i magnitude | 16.82 (0.005) | 16.82 | 16.82 (0.005) | 16.84 (0.003) | 16.82 (0.005) | 16.83 (0.02) | ||||||||||||
| z magnitude | 16.90 (0.01) | 16.86 | 16.86 (0.01) | 16.90 (0.003) | 16.90 (0.01) | 16.86 (0.02) | ||||||||||||
| G magnitude | 16.84 (0.008) | 16.86 | 16.84 | 16.84 (0.003) | 16.86 | |||||||||||||
| BP magnitude | 17.04 (0.008) | 17.04 | 17.04 | |||||||||||||||
| RP magnitude | 16.54 (0.008) | 16.53 | 16.53 | |||||||||||||||
| Pan g magnitude | 17.02 (0.006) | 17.02 (0.005) | 17.02 (0.005) | |||||||||||||||
| Pan r magnitude | 16.87 (0.003) | 16.87 (0.003) | 16.87 (0.003) | |||||||||||||||
| Pan i magnitude | 16.84 (0.004) | 16.84 (0.003) | 16.84 (0.003) | |||||||||||||||
| Pan z magnitude | 16.90 (0.003) | 16.90 (0.003) | 16.90 (0.003) | |||||||||||||||
| Pan y magnitude | 16.94 (0.007) | 16.94 (0.006) | 16.94 (0.006) | |||||||||||||||
| E(B-V) | 0.002 | |||||||||||||||||
* 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.