All names: [ZEH2003] RX J1112.6+2409 1, 2EUVE J1112+24.1, WD 1109+244, USNO-B1.0 1141-00183718, SDSS J111238.89+240901.3, RE J1112+240, PG 1109+244, RBS 951, Gaia EDR3 3995399791030547200, Ton 61, 2MASS J11123893+2409012, RX J1112.6+2408, Gaia DR2 3995399791030547200, RE J1112+24, RE J111237+240842, UCAC4 571-048867, 1RXS J111238.8+240909, Gaia DR3 3995399791030547200, EUVE J1112+24.1, RX J1112.6+2409, TIC 138801111, 2RE J1112+240, 2RE J111237+240837
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 12 38.84 (0.05) | 11 12 38.85 (0.09) | 11 12 38.84 | 11 12 38.91 (0.05) | 11 12 39.10 | |||||
| Declination | 24 09 01.29 (0.04) | 24 09 01.29 (0.07) | 24 09 01.29 | 24 09 01.21 (0.04) | 24 08 58.56 | |||||
| Spectral type | DA | DA | DA1.3 | DA2 | ||||||
| Effective temperature | [K] | 38390.0 (615) | 25440.0 (375) | 45765.0 (3887) | ||||||
| log(g) | [cgs] | 8.18 (0.06) | 7.83 (0.05) | 7.65 (0.05) | ||||||
| Mass | [M☉] | 0.77 (0.03) | 0.55 (0.02) | 0.527 (0.03) | ||||||
| log(Luminosity) | [L☉] | -1.07 | ||||||||
| Cooling age | [Gyr] | 0.0204 | ||||||||
| 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] | 3.94 (0.06) | 3.89 (0.1) | 3.94 | 3.94 (0.06) | |||||
| Distance | [pc] | 254.05 (4) | 257.20 (7) | 156.00 | 120.00 | 254.05 | 254.05 (4) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -58.28146895 (0.06) | -58.08790484 (0.1) | -58.281 (0.06) | ||||||
| Proper motion (declination) | [mas/yr] | 5.274788402 (0.05) | 5.355765016 (0.1) | 5.275 (0.05) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 15.50 (0.02) | |||||||||
| V magnitude | 15.43 | 15.79 (0.08) | ||||||||
| R magnitude | 16.01 (0.2) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 16.21 (0.09) | |||||||||
| H magnitude | 16.45 (0.2) | |||||||||
| K magnitude | ||||||||||
| u magnitude | 15.12 | |||||||||
| g magnitude | 15.52 | |||||||||
| r magnitude | 15.96 | |||||||||
| i magnitude | 16.31 | |||||||||
| z magnitude | 16.63 | |||||||||
| G magnitude | 15.71 (0.003) | 15.73 | 15.71 | 15.71 (0.003) | ||||||
| BP magnitude | 15.55 (0.003) | 15.51 | ||||||||
| RP magnitude | 16.02 (0.005) | 16.01 | ||||||||
| Pan g magnitude | 15.52 (0.01) | |||||||||
| Pan r magnitude | 15.96 (0.006) | |||||||||
| Pan i magnitude | 16.33 (0.002) | |||||||||
| Pan z magnitude | 16.61 (0.004) | |||||||||
| Pan y magnitude | 16.82 (0.01) | |||||||||
| E(B-V) | 0.016 | |||||||||
* 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.