All names: PSO J263.3998+79.8211, Gaia DR3 1706631093589103872, Gaia DR2 1706631093589103872, Gaia EDR3 1706631093589103872, WDJ173334.29+794916.65, 17335+7949, LP 24-66, TIC 288316639, J1733+7949, 2MASS J17333421+7949163, USNO-B1.0 1698-00061060, NLTT 45205, PM J17335+7949, LSPM J1733+7949, WD 1737+798
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 33 36.63 (0.05) | 17 33 36.56 (0.07) | 17 33 36.56 (0.07) | 17 33 36.63 | 17 33 34.29 (0.05) | 17 33 36.56 | 17 33 33.36 | |||||||
| Declination | 79 49 15.76 (0.05) | 79 49 15.79 (0.07) | 79 49 15.79 (0.07) | 79 49 15.76 | 79 49 16.65 (0.05) | 79 49 15.79 | 79 49 12.72 | |||||||
| Spectral type | DC | DC | DC | DC | DC | DA: | DC | DC | ||||||
| Effective temperature | [K] | 5611.0 (74) | 5326.0 (25) | 5603.5 (48) | 5535.0 (55) | 4970.0 (231) | 5787.0 (36) | |||||||
| log(g) | [cgs] | 8.30 (0.04) | 8.16 (0.01) | 8.30 (0.03) | 8.28 (0.02) | 8.00 (0) | 8.41 (0.01) | |||||||
| Mass | [M☉] | 0.767 (0.03) | 0.668 (0.009) | 0.751 (0.01) | 0.57 (0.1) | 0.854 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -4.07 | ||||||||||||
| Cooling age | [Gyr] | 5.9600 | 5.7230 (0.2) | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(N/He) | ||||||||||||||
| log(O/He) | ||||||||||||||
| log(Na/He) | ||||||||||||||
| log(Mg/He) | ||||||||||||||
| log(Al/He) | ||||||||||||||
| log(Si/He) | ||||||||||||||
| log(P/He) | ||||||||||||||
| log(S/He) | ||||||||||||||
| log(Cl/He) | ||||||||||||||
| log(Sc/He) | ||||||||||||||
| log(Ti/He) | ||||||||||||||
| log(V/He) | ||||||||||||||
| log(Cr/He) | ||||||||||||||
| log(Mn/He) | ||||||||||||||
| log(Fe/He) | ||||||||||||||
| log(Co/He) | ||||||||||||||
| log(Ni/He) | ||||||||||||||
| log(Cu/He) | ||||||||||||||
| log(Zn/He) | ||||||||||||||
| log(Ga/He) | ||||||||||||||
| log(Ge/He) | ||||||||||||||
| log(Sr/He) | ||||||||||||||
| Parallax | [mas] | 37.27 (0.05) | 37.27 (0.05) | 37.24 (0.08) | 37.24 (0.08) | 37.24 (0.08) | 37.24 (0.08) | 37.27 | 37.27 (0.05) | 37.24 (0.08) | ||||
| Distance | [pc] | 26.83 (0.04) | 26.83 (0.04) | 26.85 (0.06) | 26.85 (0.06) | 26.85 (0.06) | 26.85 (0.06) | 29.50 (4) | 26.83 | 26.83 (0.04) | 26.85 (0.06) | |||
| Composition | He | He | He | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 388.0303072 (0.06) | 388.0671237 (0.1) | 388.03 (0.06) | 388.0671237 | |||||||||
| Proper motion (declination) | [mas/yr] | -55.2771904 (0.07) | -55.38767903 (0.1) | -55.277 (0.07) | -55.38767903 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 18.00 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 16.00 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.06 (0.1) | 16.06 (0.1) | 16.06 | 16.06 (0.1) | ||||||||||
| H magnitude | 16.05 (0.2) | 16.05 (0.2) | 16.05 | 16.05 (0.2) | ||||||||||
| K magnitude | 15.48 (0.03) | 15.48 | ||||||||||||
| u magnitude | ||||||||||||||
| g magnitude | 17.29 (0.005) | |||||||||||||
| r magnitude | 16.92 (0.005) | |||||||||||||
| i magnitude | 16.76 (0.003) | |||||||||||||
| z magnitude | 16.75 (0.006) | |||||||||||||
| G magnitude | 16.92 (0.008) | 16.93 | 16.93 | 16.92 | 16.92 (0.003) | 16.93 | ||||||||
| BP magnitude | 17.27 (0.008) | 17.24 | 17.24 | |||||||||||
| RP magnitude | 16.46 (0.01) | 16.42 | 16.42 | |||||||||||
| Pan g magnitude | 17.29 (0.005) | 17.29 (0.005) | 17.29 (0.005) | |||||||||||
| Pan r magnitude | 16.92 (0.004) | 16.92 (0.005) | 16.92 (0.005) | |||||||||||
| Pan i magnitude | 16.76 (0.003) | 16.76 (0.003) | 16.76 (0.003) | |||||||||||
| Pan z magnitude | 16.75 (0.005) | 16.75 (0.006) | 16.75 (0.006) | |||||||||||
| Pan y magnitude | 16.77 (0.02) | 16.77 (0.02) | 16.77 (0.02) | |||||||||||
| 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.