All names: UCAC3 288-117830, ** GIC 119B, WD 1425+54, GEN# +9.80200040, G200-039, Gaia EDR3 1608497864040134016, GALEX J142735.9+534829, uvby98 980200039, CBS 269, SDSS J142736.05+534828.5, Gaia DR2 1608497864040134016, G 200-39, PG 1425+540, SDSS J142736.05+534828.4, WD 1425+540, CCDM J14276+5348A, USNO-B1.0 1437-00234196, UCAC4 720-053533, EGGR 295, 2MASS J14273615+5348280, IDS 14244+5414 A, LSPM J1427+5347, GSC 03859-01272, WDS J14277+5347B, WDJ142736.17+534828.00, Gaia DR3 1608497864040134016, TIC 284628173, SDSS J142736.04+534828.5, G200-39, SBSS 1425+540, NLTT 37443, USNO 326
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2026a | Kilic et al. 2025 | MWDD HE | Gaia DR2 | Xu et al. 2017 (Model I) | Xu et al. 2017 (Model II) | Stilism | Bergeron et al. 2011 | Zuckerman et al. 2010 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 27 35.55 (0.02) | 14 27 35.57 (0.03) | 14 27 35.55 | 14 27 36.17 (0.02) | 14 27 35.57 | 14 27 37.99 | ||||||||||
| Declination | 53 48 30.24 (0.02) | 53 48 30.17 (0.03) | 53 48 30.24 | 53 48 28.00 (0.02) | 53 48 30.17 | 53 48 12.60 | ||||||||||
| Spectral type | DBAZ | DBAZ | DBA | DBAZ | DBAZ | DBA | DBAZ | DB | DBAZ4 | DBA4 | ||||||
| Effective temperature | [K] | 14093.0 (406) | 14091.0 (80) | 14213.0 | 14490.0 (345) | 14490.0 (345) | 14490.0 (345) | 14750.0 | 15244.0 (129) | |||||||
| log(g) | [cgs] | 8.00 (0.04) | 8.03 (0.007) | 8.04 | 7.95 (0.08) | 7.95 (0.08) | 7.95 (0.08) | 8.13 (0.009) | ||||||||
| Mass | [M☉] | 0.591 (0.04) | 0.603 (0.006) | 0.612 | 0.56 (0.05) | 0.56 (0.05) | 0.56 (0.05) | 0.671 (0.008) | ||||||||
| log(Luminosity) | [L☉] | -2.16 | ||||||||||||||
| Cooling age | [Gyr] | 0.2512 | 0.2138 | 0.2138 | 0.2138 | 2.2000 | ||||||||||
| log(H/He) | -4.0 | -4.5 | -4.2 (0.1) | -3.0 (0.1) | -4.2 (0.03) | |||||||||||
| log(C/He) | -7.29 (0.2) | -7.28 (0.3) | ||||||||||||||
| log(Ca/He) | -8.65 | -9.26 (0.1) | -9.31 (0.1) | -9.3 | ||||||||||||
| log(Ca/H) | ||||||||||||||||
| log(Li/He) | ||||||||||||||||
| log(Be/He) | ||||||||||||||||
| log(B/He) | ||||||||||||||||
| log(N/He) | -8.09 (0.1) | -7.97 (0.1) | ||||||||||||||
| log(O/He) | -6.62 (0.2) | -6.51 (0.2) | ||||||||||||||
| log(Na/He) | ||||||||||||||||
| log(Mg/He) | -8.16 (0.2) | -8.11 (0.2) | ||||||||||||||
| log(Al/He) | ||||||||||||||||
| log(Si/He) | -8.03 (0.3) | -7.87 (0.3) | ||||||||||||||
| log(P/He) | ||||||||||||||||
| log(S/He) | -8.36 (0.1) | -8.13 (0.2) | ||||||||||||||
| log(Cl/He) | ||||||||||||||||
| log(K/He) | ||||||||||||||||
| log(Sc/He) | ||||||||||||||||
| log(Ti/He) | ||||||||||||||||
| log(V/He) | ||||||||||||||||
| log(Cr/He) | ||||||||||||||||
| log(Mn/He) | ||||||||||||||||
| log(Fe/He) | -8.15 (0.1) | -7.99 (0.1) | ||||||||||||||
| log(Co/He) | ||||||||||||||||
| log(Ni/He) | -9.67 (0.2) | -9.52 (0.2) | ||||||||||||||
| log(Cu/He) | ||||||||||||||||
| log(Zn/He) | ||||||||||||||||
| log(Ga/He) | ||||||||||||||||
| log(Ge/He) | ||||||||||||||||
| log(Sr/He) | ||||||||||||||||
| Parallax | [mas] | 19.40 (0.02) | 19.41 (0.03) | 19.40 | 19.40 (0.02) | 19.41 (0.03) | 16.00 (3) | |||||||||
| Distance | [pc] | 51.54 (0.06) | 51.52 (0.09) | 58.00 (13) | 58.00 (13) | 56.00 | 51.54 | 51.54 (0.06) | 51.52 (0.09) | 62.50 (12) | ||||||
| Composition | He | He | He | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -344.7888159 (0.03) | -344.9117557 (0.05) | -344.789 (0.03) | -344.9117557 | |||||||||||
| Proper motion (declination) | [mas/yr] | 140.0169412 (0.03) | 140.0132938 (0.05) | 140.017 (0.03) | 140.0132938 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | yes | |||||||||||||||
| B magnitude | 14.86 (0.07) | |||||||||||||||
| V magnitude | 15.04 | 14.99 (0.05) | ||||||||||||||
| R magnitude | 15.35 (0.1) | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 15.35 (0.06) | |||||||||||||||
| H magnitude | 15.51 (0.1) | |||||||||||||||
| K magnitude | 15.66 (0.2) | |||||||||||||||
| u magnitude | 14.77 (0.004) | 14.77 (0.004) | ||||||||||||||
| g magnitude | 14.86 (0.003) | 14.86 (0.003) | ||||||||||||||
| r magnitude | 15.15 (0.003) | 15.15 (0.003) | ||||||||||||||
| i magnitude | 15.37 (0.004) | 15.37 (0.004) | ||||||||||||||
| z magnitude | 15.65 (0.006) | 15.65 (0.006) | ||||||||||||||
| G magnitude | 14.99 (0.001) | 15.02 | 14.99 | 14.99 (0.003) | 15.02 | |||||||||||
| BP magnitude | 14.94 (0.001) | 14.90 | 14.90 | |||||||||||||
| RP magnitude | 15.08 (0.001) | 15.08 | 15.08 | |||||||||||||
| Pan g magnitude | 14.92 (0.0007) | |||||||||||||||
| Pan r magnitude | 15.16 (0.003) | |||||||||||||||
| Pan i magnitude | 15.42 (0.004) | |||||||||||||||
| Pan z magnitude | 15.63 (0.004) | |||||||||||||||
| Pan y magnitude | 15.77 (0.004) | |||||||||||||||
| E(B-V) | 0.006 | |||||||||||||||
* 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.