All names: WDJ175255.76+094752.03, LSPM J1752+0947, Gaia DR3 4488750108662714624, uvby98 620020124, G 140-B1B, UBV 15224, J1752+0947, CSI+09-17505, ** SKF 304B, UCAC4 499-073797, 2MASS J17525575+0947520, EGGR 124, WD 1750+094, TIC 277255078, Gaia DR2 4488750108662714624, 1SWASP J175255.81+094751.9, UCAC3 200-161057, Gaia EDR3 4488750108662714624, WD 1750+09, WD 1750+098, WDS J17529+0948B, HD 162867B, USNO-B1.0 0997-00324544
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | Gaia DR2 | Tremblay et al. 2017 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 52 55.76 (0.02) | 17 52 55.76 (0.04) | 17 52 55.76 | 17 52 55.76 (0.02) | 17 52 55.76 | 17 52 55.22 | ||||||
| Declination | 09 47 49.48 (0.02) | 09 47 49.56 (0.04) | 09 47 49.48 | 09 47 52.03 (0.02) | 09 47 49.56 | 09 48 23.76 | ||||||
| Spectral type | DA | DA | DA | DC | DC5 | DA | ||||||
| Effective temperature | [K] | 9706.0 (82) | 9939.0 | 9520.0 | 9642.0 (65) | |||||||
| log(g) | [cgs] | 7.99 (0.01) | 8.15 | 7.99 (0.01) | ||||||||
| Mass | [M☉] | 0.576 (0.01) | 0.692 | 0.576 (0.009) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.7000 | 0.7612 | |||||||||
| log(H/He) | -5.0 | |||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(Li/He) | ||||||||||||
| log(Be/He) | ||||||||||||
| log(B/He) | ||||||||||||
| 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(K/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] | 22.83 (0.03) | 22.69 (0.05) | 22.69 (0.05) | 22.80 (0.4) | 22.83 | 22.83 (0.03) | 22.69 (0.05) | ||||
| Distance | [pc] | 43.80 (0.06) | 44.07 (0.1) | 44.06 (0.1) | 43.86 (0.7) | 43.80 | 43.80 (0.06) | 44.06 (0.1) | ||||
| Composition | He | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.990072982 (0.03) | -5.275451867 (0.09) | -4.99 (0.03) | -5.275451867 | |||||||
| Proper motion (declination) | [mas/yr] | -159.5883013 (0.03) | -159.6091517 (0.08) | -159.588 (0.03) | -159.6091517 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.82 | |||||||||||
| V magnitude | 15.72 (0.05) | |||||||||||
| R magnitude | 15.97 (0.2) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.62 (0.01) | 15.63 (0.06) | ||||||||||
| H magnitude | 15.58 (0.1) | 15.58 (0.1) | ||||||||||
| K magnitude | 15.63 (0.2) | 15.63 (0.2) | ||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 15.61 (0.003) | 15.64 | 15.62 (0.002) | 15.61 | 15.61 (0.003) | 15.64 | ||||||
| BP magnitude | 15.65 (0.003) | 15.63 | 15.63 | |||||||||
| RP magnitude | 15.54 (0.002) | 15.54 | 15.54 | |||||||||
| Pan g magnitude | 15.62 (0.005) | 15.62 (0.005) | ||||||||||
| Pan r magnitude | 15.72 (0.001) | 15.72 (0.001) | ||||||||||
| Pan i magnitude | 15.88 (0.003) | 15.88 (0.003) | ||||||||||
| Pan z magnitude | 16.04 (0.006) | 16.04 (0.005) | ||||||||||
| Pan y magnitude | 16.09 (0.01) | 16.09 (0.02) | ||||||||||
| E(B-V) | 0.002 | |||||||||||
* 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.