All names: LEHPM 1566, KUV 01254-2340, Gaia EDR3 5042115172543335424, G 274-39, Ton S 217, uvby98 980274039, WDJ012744.58-232448.43, EGGR 465, GEN# +6.10080217, Gaia DR2 5042115172543335424, Gaia DR3 5042115172543335424, GALEX J012744.7-232447, WD 0125-236, EC 01253-2340, NLTT 4872, G274-39, LP 827-232, MCT 0125-2340, WD 0125-23
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Bergeron et al. 2011 | Zuckerman et al. 2010 | Voss et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 27 44.92 (0.03) | 01 27 44.91 (0.04) | 01 27 44.92 | 01 27 44.58 (0.03) | 01 27 44.91 | 01 27 44.02 | ||||||
| Declination | -23 24 47.53 (0.02) | -23 24 47.56 (0.04) | -23 24 47.53 | -23 24 48.42 (0.02) | -23 24 47.56 | -23 24 52.20 | ||||||
| Spectral type | DBA | DBAZ | DB | DB5 | DB5 | |||||||
| Effective temperature | [K] | 16610.0 (457) | 16400.0 | 16757.0 | 16402.0 (224) | |||||||
| log(g) | [cgs] | 8.26 (0.09) | 8.06 | 8.01 (0.02) | ||||||||
| Mass | [M☉] | 0.75 (0.06) | 0.629 | 0.597 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -2.11 | ||||||||||
| Cooling age | [Gyr] | 0.2291 | 1.6000 | 1.7800 | ||||||||
| log(H/He) | -5.31 (0.4) | -5.01 | ||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | -9.4 | |||||||||||
| 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] | 13.44 (0.04) | 13.46 (0.05) | 13.44 | 13.44 (0.04) | 13.46 (0.05) | ||||||
| Distance | [pc] | 74.42 (0.2) | 74.29 (0.3) | 61.00 | 74.42 | 74.42 (0.2) | 74.29 (0.3) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 297.4812825 (0.05) | 297.6658584 (0.1) | 297.481 (0.05) | 297.6658584 | |||||||
| Proper motion (declination) | [mas/yr] | 55.84108216 (0.03) | 56.06818522 (0.09) | 55.841 (0.03) | 56.06818522 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.34 | |||||||||||
| V magnitude | 15.38 | 15.38 | ||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 15.42 (0.002) | 15.44 | 15.42 | 15.42 (0.003) | 15.44 | |||||||
| BP magnitude | 15.35 (0.002) | 15.33 | 15.33 | |||||||||
| RP magnitude | 15.54 (0.002) | 15.54 | 15.54 | |||||||||
| Pan g magnitude | 15.33 (0.007) | |||||||||||
| Pan r magnitude | 15.60 (0.002) | |||||||||||
| Pan i magnitude | 15.88 (0.003) | |||||||||||
| Pan z magnitude | 16.09 (0.004) | |||||||||||
| Pan y magnitude | 16.27 (0.004) | |||||||||||
| 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.