All names: Gaia DR2 3990494251184010496, 1108+207, USNO-B1.0 1104-00198197, 2MASS J11105938+2026067, LHS 2364, NLTT 26537, WD 1108+207, Gaia DR3 3990494251184010496, 11109+2026, PM J11109+2026, J1110+2026, WDJ111059.34+202606.91, Gaia EDR3 3990494251184010496, PLX 2600.01, SDSS J111059.03+202606.6, SDSS J111059.03+202606.7, PSO J167.7439+20.4350, TIC 98349538, LSPM J1110+2026, LP 374-4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Leggett et al. 2018 | Gaia DR2 | Stilism | Limoges et al. 2015 | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 10 58.40 (0.08) | 11 10 58.43 (0.1) | 11 10 58.43 (0.1) | 11 10 58.40 | 11 10 59.34 (0.08) | 11 10 58.43 | 11 11 02.21 | |||||||||||
| Declination | 20 26 06.23 (0.07) | 20 26 06.25 (0.1) | 20 26 06.25 (0.1) | 20 26 06.23 | 20 26 06.92 (0.07) | 20 26 06.25 | 20 26 11.76 | |||||||||||
| Spectral type | DC | DC | DC | DC | DC | DC10.6 | DC | DC | DC | DC | DC9: | |||||||
| Effective temperature | [K] | 4700.0 (10) | 4661.0 (67) | 4735.0 (16) | 4658.6 (58) | 4720.0 (35) | 4733.0 (76) | 4730.0 (109) | 4650.0 (160) | 6430.0 (140) | 4721.0 (41) | |||||||
| log(g) | [cgs] | 7.96 (0.006) | 7.93 (0.06) | 8.01 (0.01) | 7.94 (0.05) | 8.00 (0.02) | 7.99 (0.04) | 8.09 (0.1) | 8.07 (0.1) | 8.00 (0) | 7.97 (0.02) | |||||||
| Mass | [M☉] | 0.552 (0.005) | 0.536 (0.03) | 0.586 (0.009) | 0.58 (0.01) | 0.572 (0.04) | 0.64 (0.07) | 0.62 (0.07) | 0.59 | 0.563 (0.02) | ||||||||
| log(Luminosity) | [L☉] | -4.20 | -4.21 (0.06) | -3.60 | ||||||||||||||
| Cooling age | [Gyr] | 7.3700 | 6.8840 (0.3) | 6.6930 (0.5) | 7.7100 (1) | 1.9700 | ||||||||||||
| log(H/He) | ||||||||||||||||||
| log(C/He) | ||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||
| log(Li/H) | ||||||||||||||||||
| log(Be/H) | ||||||||||||||||||
| log(B/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(Cl/H) | ||||||||||||||||||
| log(K/H) | ||||||||||||||||||
| log(Sc/H) | ||||||||||||||||||
| log(Ti/H) | ||||||||||||||||||
| log(V/H) | ||||||||||||||||||
| log(Cr/H) | ||||||||||||||||||
| log(Mn/H) | ||||||||||||||||||
| log(Fe/H) | ||||||||||||||||||
| log(Co/H) | ||||||||||||||||||
| log(Ni/H) | ||||||||||||||||||
| log(Cu/H) | ||||||||||||||||||
| log(Sr/H) | ||||||||||||||||||
| Parallax | [mas] | 35.91 (0.1) | 35.91 (0.1) | 35.99 (0.2) | 35.99 (0.2) | 35.99 (0.2) | 35.87 (0.8) | 35.99 (0.2) | 38.30 (3) | 38.30 (3) | 38.30 (3) | 35.91 | 35.91 (0.1) | 35.99 (0.2) | 38.00 (3) | |||
| Distance | [pc] | 27.85 (0.08) | 27.85 (0.08) | 27.79 (0.2) | 27.79 (0.2) | 27.79 (0.2) | 27.88 (0.6) | 27.79 (0.2) | 26.10 (2) | 26.11 (2) | 26.11 (2) | 27.85 | 27.85 (0.08) | 27.79 (0.2) | 26.32 (2) | |||
| Composition | H | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -823.8804828 (0.09) | -824.2238568 (0.4) | -823.88 (0.09) | -824.2238568 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -43.29019141 (0.1) | -42.67485732 (0.6) | -43.29 (0.1) | -42.67485732 | |||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 18.67 | 18.67 | 18.67 | |||||||||||||||
| V magnitude | 17.70 | 17.70 | ||||||||||||||||
| R magnitude | 17.17 | 17.17 | 17.10 | |||||||||||||||
| I magnitude | 16.63 | 16.63 | ||||||||||||||||
| J magnitude | 15.95 (0.01) | 15.98 (0.07) | 15.91 | 15.91 | 15.98 (0.07) | |||||||||||||
| H magnitude | 15.69 (0.05) | 15.53 (0.1) | 15.69 | 15.69 | 15.53 (0.1) | |||||||||||||
| K magnitude | 15.62 (0.05) | 15.56 (0.2) | 15.62 | 15.62 | 15.56 (0.2) | |||||||||||||
| u magnitude | 19.97 (0.03) | 19.97 (0.04) | 19.97 (0.04) | |||||||||||||||
| g magnitude | 18.03 (0.006) | 18.14 (0.006) | ||||||||||||||||
| r magnitude | 17.29 (0.005) | 17.29 (0.005) | ||||||||||||||||
| i magnitude | 17.05 (0.007) | 16.99 (0.005) | ||||||||||||||||
| z magnitude | 16.90 (0.005) | 16.86 (0.01) | ||||||||||||||||
| G magnitude | 17.34 (0.02) | 17.35 | 17.35 | 17.34 | 17.34 (0.003) | 17.35 | ||||||||||||
| BP magnitude | 17.91 (0.02) | 17.91 | 17.91 | |||||||||||||||
| RP magnitude | 16.65 (0.008) | 16.66 | 16.66 | |||||||||||||||
| Pan g magnitude | 18.03 (0.007) | 18.03 (0.006) | 18.03 (0.006) | |||||||||||||||
| Pan r magnitude | 17.33 (0.02) | 17.33 (0.02) | 17.33 (0.02) | |||||||||||||||
| Pan i magnitude | 17.05 (0.007) | 17.05 (0.007) | 17.05 (0.007) | |||||||||||||||
| Pan z magnitude | 16.90 (0.005) | 16.90 (0.005) | 16.90 (0.005) | |||||||||||||||
| Pan y magnitude | 16.85 (0.01) | 16.85 (0.01) | 16.85 (0.01) | |||||||||||||||
| 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.