All names: Gaia DR2 5401688425816913920, SCR J1107-3420A, WD 1105-340, WISE J110747.98-342054.6, 2MASS J11074788-3420512, WISEA J110747.96-342054.5, UCAC4 279-060825, Gaia EDR3 5401688425816913920, SCR 1107-3420A, WDJ110747.90-342051.49, TIC 23226265, Gaia DR3 5401688425816913920, SCR J1107-342
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Bedard et al. 2017 | Subasavage et al. 2017 | Stilism | Gianninas et al. 2011 | Subasavage et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 07 47.95 (0.02) | 11 07 47.95 (0.03) | 11 07 47.89 | 11 07 47.89 | 11 07 47.95 | 11 07 47.90 (0.02) | 11 07 47.95 | 11 07 47.26 | |||||
| Declination | -34 20 55.70 (0.02) | -34 20 55.57 (0.03) | -34 20 05.05 | -34 20 51.40 | -34 20 55.70 | -34 20 51.49 (0.02) | -34 20 55.57 | -34 20 51.36 | |||||
| Spectral type | DAH | DA | DA | DA | DA3.5 | DA | DA3.6 | DA3.6 | |||||
| Effective temperature | [K] | 13603.0 (181) | 13891.0 (271) | 13810.0 (990) | 13970.0 (272) | 13926.0 (988) | 13458.0 (85) | ||||||
| log(g) | [cgs] | 8.08 (0.01) | 8.06 (0.04) | 8.14 (0.05) | 8.05 (0.04) | 8.07 (0.004) | |||||||
| Mass | [M☉] | 0.657 (0.009) | 0.69 (0.04) | 0.64 (0.03) | 0.653 (0.004) | ||||||||
| log(Luminosity) | [L☉] | -2.34 (0.1) | |||||||||||
| Cooling age | [Gyr] | 0.3100 (0.07) | |||||||||||
| 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] | 38.19 (0.02) | 38.19 (0.02) | 38.22 (0.05) | 39.04 (0.7) | 38.19 | 38.20 (0.02) | 38.22 (0.05) | |||||
| Distance | [pc] | 26.18 (0.01) | 26.18 (0.01) | 26.16 (0.03) | 25.60 (0.4) | 25.61 (0.4) | 27.00 | 28.20 | 26.18 | 26.18 (0.01) | 26.16 (0.03) | ||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 39.8940887 (0.02) | 40.08078529 (0.07) | 39.894 (0.02) | 40.08078529 | ||||||||
| Proper motion (declination) | [mas/yr] | -263.4288174 (0.02) | -263.3327576 (0.06) | -263.429 (0.02) | -263.3327576 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 13.79 (0.02) | ||||||||||||
| V magnitude | 13.66 | 13.63 (0.03) | |||||||||||
| R magnitude | 13.73 | 13.93 (0.1) | |||||||||||
| I magnitude | 13.78 | 13.79 | |||||||||||
| J magnitude | 13.95 (0.03) | 13.95 (0.03) | 13.95 (0.03) | ||||||||||
| H magnitude | 13.98 (0.04) | 13.98 (0.04) | 13.98 (0.04) | ||||||||||
| K magnitude | 14.05 (0.07) | 14.05 (0.07) | 14.05 (0.07) | ||||||||||
| u magnitude | |||||||||||||
| g magnitude | 13.63 (0.02) | ||||||||||||
| r magnitude | 13.82 (0.04) | ||||||||||||
| i magnitude | 14.29 (0.2) | ||||||||||||
| z magnitude | |||||||||||||
| G magnitude | 13.70 (0.001) | 13.72 | 13.70 | 13.70 (0.003) | 13.72 | ||||||||
| BP magnitude | 13.69 (0.001) | 13.68 | 13.68 | ||||||||||
| RP magnitude | 13.77 (0.0006) | 13.78 | 13.78 | ||||||||||
| Pan g magnitude | |||||||||||||
| Pan r magnitude | |||||||||||||
| Pan i magnitude | |||||||||||||
| Pan z magnitude | |||||||||||||
| Pan y magnitude | |||||||||||||
| E(B-V) | 0.000 | ||||||||||||
* 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.