All names: EC 02427-1724, 2MASS J02450237-1712204, WD 0242-174, TIC 425077204, BPS CS 22189-19, Gaia DR2 5132580858972702976, Gaia DR3 5132580858972702976, 1SWASP J024502.37-171220.5, USNO-B1.0 0727-00044982, GALEX J024502.3-171219, WDJ024502.37-171220.41, Gaia EDR3 5132580858972702976, BPS CS 22189-0019
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 45 02.41 (0.03) | 02 45 02.41 (0.06) | 02 45 02.41 | 02 45 02.37 (0.03) | 02 45 02.41 | 02 45 02.09 | |||||||
| Declination | -17 12 20.33 (0.03) | -17 12 20.33 (0.06) | -17 12 20.33 | -17 12 20.41 (0.03) | -17 12 20.33 | -17 12 23.04 | |||||||
| Spectral type | DA | DA | DA | DA2.3 | DA | ||||||||
| Effective temperature | [K] | 20215.0 | 20980.0 (285) | 21790.0 (391) | 20663.0 (38) | 20903.0 (323) | |||||||
| log(g) | [cgs] | 7.95 | 7.97 (0.09) | 8.00 (0.05) | 7.85 (0.007) | 7.98 (0.01) | |||||||
| Mass | [M☉] | 0.599 | 0.611 (0.05) | 0.63 (0.03) | 0.617 (0.01) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0583 | |||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | <-8.30 | ||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | -8.2 (0.2) | ||||||||||||
| 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] | 11.30 (0.04) | 11.34 (0.07) | 11.30 | 11.30 (0.04) | 11.34 (0.07) | |||||||
| Distance | [pc] | 88.46 (0.3) | 88.17 (0.5) | 87.00 | 88.46 | 88.46 (0.3) | 88.17 (0.5) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 32.06791916 (0.05) | 32.1107311 (0.1) | 32.068 (0.05) | 32.1107311 | ||||||||
| Proper motion (declination) | [mas/yr] | 4.972920636 (0.05) | 4.633036272 (0.2) | 4.973 (0.05) | 4.633036272 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 15.25 | ||||||||||||
| V magnitude | 15.38 (0.01) | 15.33 | 15.54 | ||||||||||
| R magnitude | 14.90 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.78 (0.06) | ||||||||||||
| H magnitude | 15.95 (0.1) | ||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 15.26 (0.005) | ||||||||||||
| g magnitude | 15.21 (0.003) | ||||||||||||
| r magnitude | 15.60 (0.004) | ||||||||||||
| i magnitude | 15.90 (0.005) | ||||||||||||
| z magnitude | 16.24 (0.007) | ||||||||||||
| G magnitude | 15.42 (0.002) | 15.44 | 15.42 | 15.42 (0.003) | 15.44 | ||||||||
| BP magnitude | 15.33 (0.002) | 15.31 | 15.31 | ||||||||||
| RP magnitude | 15.61 (0.003) | 15.61 | 15.61 | ||||||||||
| Pan g magnitude | 15.27 (0.004) | ||||||||||||
| Pan r magnitude | 15.60 (0.001) | ||||||||||||
| Pan i magnitude | 15.93 (0.002) | ||||||||||||
| Pan z magnitude | 16.21 (0.004) | ||||||||||||
| Pan y magnitude | 16.38 (0.005) | ||||||||||||
| 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.