All names: PM J01107+2758, LP 294-61, 01107+2758, GALEX J011044.5+275815, Gaia EDR3 307323228064848512, Gaia DR3 307323228064848512, USNO-B1.0 1179-00025809, J0110+2758, TIC 16810132, LSPM J0110+2758, 2MASS J01104470+2758159, Gaia DR2 307323228064848512, NLTT 3915, WDJ011044.68+275815.74, WD 0108+277
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Caron et al. 2023 | Gaia DR2 | Stilism | Holberg et al. 2016 | Limoges et al. 2015 | Sion et al. 2014 | Giammichele et al. 2012 | Holberg et al. 2008 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 10 44.50 (0.06) | 01 10 44.51 (0.1) | 01 10 44.64 | 01 10 44.50 | 01 10 44.68 (0.06) | 01 10 44.28 | |||||||||
| Declination | 27 58 13.24 (0.05) | 27 58 13.32 (0.08) | 27 58 12.00 | 27 58 13.24 | 27 58 15.74 (0.05) | 27 58 14.52 | |||||||||
| Spectral type | DAZ | DA | DA | DA | DA9.6 | DA | DAZ | DAZ | DA | DAZ9 | DAZ9.6 | ||||
| Effective temperature | [K] | 6284.0 (437) | 5972.0 (23) | 5270.0 (250) | 6260.0 (72) | 6428.0 | 6428.0 (190) | 5270.0 (250) | 5514.0 (52) | ||||||
| log(g) | [cgs] | 7.58 (0.2) | 7.40 (0.01) | 8.36 (0.6) | 8.00 (0) | (0) | 8.36 (0.6) | 6.91 (0.04) | |||||||
| Mass | [M☉] | 0.396 (0.07) | 0.301 (0.006) | 0.82 (0.4) | 0.59 (0.1) | 0.59 (0) | 0.81 (0.4) | 0.159 (0.01) | |||||||
| log(Luminosity) | [L☉] | -3.65 | -3.60 | ||||||||||||
| Cooling age | [Gyr] | 1.1600 | 6.9300 | 1.8800 | |||||||||||
| 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] | 26.31 (0.08) | 26.31 (0.08) | 26.35 (0.1) | 26.35 (0.1) | 26.31 | 26.31 (0.08) | ||||||||
| Distance | [pc] | 38.01 (0.1) | 38.01 (0.1) | 37.95 (0.2) | 37.95 (0.2) | 14.88 (2) | 26.60 (4) | 13.80 | 28.00 (2) | 13.79 | 14.00 | 38.01 | 38.01 (0.1) | ||
| Composition | H | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -146.3027485 (0.07) | -145.7952957 (0.2) | -146.303 (0.07) | |||||||||||
| Proper motion (declination) | [mas/yr] | -155.8637743 (0.06) | -155.672702 (0.1) | -155.864 (0.06) | |||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 16.60 | 15.70 | |||||||||||||
| V magnitude | 16.15 | 16.15 | 16.15 | ||||||||||||
| R magnitude | 15.60 | 14.90 | |||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 15.22 (0.06) | 15.22 | 15.22 (0.06) | ||||||||||||
| H magnitude | 15.04 (0.08) | 15.04 | 15.04 (0.08) | ||||||||||||
| K magnitude | 14.87 (0.1) | 14.87 | 14.87 (0.1) | ||||||||||||
| u magnitude | 17.40 (0.01) | ||||||||||||||
| g magnitude | |||||||||||||||
| r magnitude | |||||||||||||||
| i magnitude | |||||||||||||||
| z magnitude | |||||||||||||||
| G magnitude | 16.15 (0.03) | 16.16 | 16.15 | 16.15 (0.003) | |||||||||||
| BP magnitude | 16.13 (0.03) | 16.14 | |||||||||||||
| RP magnitude | 15.17 (0.03) | 15.21 | |||||||||||||
| Pan g magnitude | 19.05 (0.03) | ||||||||||||||
| Pan r magnitude | 18.49 (0.03) | ||||||||||||||
| Pan i magnitude | 18.15 (0.03) | ||||||||||||||
| Pan z magnitude | 17.94 (0.03) | ||||||||||||||
| Pan y magnitude | 17.82 (0.03) | ||||||||||||||
| 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.