All names: USNO-B1.0 1070-00334311, 17430+1701, TIC 43874986, Gaia EDR3 4549622027311531904, SDSS J174300.74+170145.6, Gaia DR3 4549622027311531904, NLTT 45332, LSPM J1743+1701, 2MASS J17430078+1701463, PSO J265.7522+17.0284, Gaia DR2 4549622027311531904, J1743+1701, SDSS J174300.74+170145.7, PM J17430+1701, LP 448-24, WDJ174300.75+170145.74
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 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 17 43 00.47 (0.07) | 17 43 00.48 (0.1) | 17 43 00.48 (0.1) | 17 43 00.47 | 17 43 00.75 (0.07) | 17 43 00.48 | ||||||||||
Declination | 17 01 41.21 (0.07) | 17 01 41.35 (0.1) | 17 01 41.35 (0.1) | 17 01 41.21 | 17 01 45.74 (0.07) | 17 01 41.35 | ||||||||||
Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | DC: | DC | ||||||
Effective temperature | [K] | 4377.0 (26) | 4416.0 (63) | 4339.0 (26) | 4266.1 (64) | 4315.0 (30) | 4352.0 | 4072.0 | 4720.0 (433) | 4425.0 (41) | ||||||
log(g) | [cgs] | 7.98 (0.01) | 8.00 (0.05) | 7.95 (0.01) | 7.90 (0.06) | 7.94 (0.03) | 7.96 | 7.70 | 8.00 (0) | 8.01 (0.02) | ||||||
Mass | [M☉] | 0.565 (0.01) | 0.577 (0.03) | 0.548 (0.01) | 0.54 (0.01) | 0.554 | 0.405 | 0.58 (0.1) | 0.581 (0.02) | |||||||
log(Luminosity) | [L☉] | -4.15 | ||||||||||||||
Cooling age | [Gyr] | 7.9400 | 7.5620 (0.3) | 7.6810 | 5.3920 | |||||||||||
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] | 29.92 (0.1) | 29.92 (0.1) | 29.91 (0.1) | 29.91 (0.1) | 29.91 (0.1) | 29.91 (0.1) | 29.92 | 29.92 (0.1) | 29.91 (0.1) | ||||||
Distance | [pc] | 33.42 (0.1) | 33.42 (0.1) | 33.43 (0.2) | 33.43 (0.2) | 33.43 (0.2) | 33.43 (0.2) | 32.10 (6) | 33.42 | 33.42 (0.1) | 33.43 (0.2) | |||||
Composition | H | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -247.3785039 (0.1) | -247.473567 (0.2) | -248.0 | -247.379 (0.1) | -247.473567 | ||||||||||
Proper motion (declination) | [mas/yr] | -282.7761617 (0.1) | -283.0782967 (0.3) | -266.0 | -282.776 (0.1) | -283.0782967 | ||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | 18.80 | |||||||||||||||
V magnitude | ||||||||||||||||
R magnitude | 17.60 | |||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 16.34 (0.1) | 16.34 (0.1) | 16.34 | 16.34 (0.1) | ||||||||||||
H magnitude | 15.70 (0.03) | 15.70 | ||||||||||||||
K magnitude | 15.78 (0.2) | 15.78 (0.2) | 15.78 | 15.78 (0.2) | ||||||||||||
u magnitude | 21.27 (0.08) | 21.27 (0.08) | 21.27 (0.08) | |||||||||||||
g magnitude | 19.08 (0.009) | 19.08 (0.009) | ||||||||||||||
r magnitude | 18.04 (0.003) | 18.05 (0.007) | ||||||||||||||
i magnitude | 17.68 (0.004) | 17.73 (0.007) | ||||||||||||||
z magnitude | 17.54 (0.01) | 17.59 (0.01) | ||||||||||||||
G magnitude | 18.07 (0.01) | 18.09 | 18.09 | 18.07 | 18.07 (0.003) | 18.09 | ||||||||||
BP magnitude | 18.67 (0.01) | 18.72 | 18.72 | |||||||||||||
RP magnitude | 17.33 (0.006) | 17.33 | 17.33 | |||||||||||||
Pan g magnitude | 18.90 (0.01) | 18.90 (0.01) | 18.90 (0.01) | |||||||||||||
Pan r magnitude | 18.04 (0.003) | 18.04 (0.003) | 18.04 (0.003) | |||||||||||||
Pan i magnitude | 17.68 (0.004) | 17.68 (0.004) | 17.68 (0.004) | |||||||||||||
Pan z magnitude | 17.53 (0.009) | 17.54 (0.01) | 17.54 (0.01) | |||||||||||||
Pan y magnitude | 17.47 (0.02) | 17.47 (0.02) | 17.47 (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.