All names: Gaia EDR3 2188860027203347968, WD 2058+550, PSO J314.9386+55.2930, CNS5 5186, USNO-B1.0 1452-00334959, WDJ205944.90+551730.02, J2059+5517, 20597+5517, 2MASS J20594493+5517302, LSR J2059+5517, LSPM J2059+5517, TIC 421493606, Gaia DR3 2188860027203347968, PM J20597+5517, Gaia DR2 2188860027203347968
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 | 20 59 45.41 (0.05) | 20 59 45.39 (0.07) | 20 59 45.39 (0.07) | 20 59 45.41 | 20 59 44.90 (0.05) | 20 59 45.39 | |||||||||
Declination | 55 17 36.71 (0.05) | 55 17 36.50 (0.06) | 55 17 36.50 (0.06) | 55 17 36.71 | 55 17 30.02 (0.05) | 55 17 36.50 | |||||||||
Spectral type | DC | DC | DC | DC | DC | DC | DC | DC: | DC11 | ||||||
Effective temperature | [K] | 4519.0 (39) | 4533.0 (14) | 4442.1 (25) | 4415.0 (35) | 4490.0 | 4193.0 | 4530.0 (59) | 4592.0 (22) | ||||||
log(g) | [cgs] | 7.94 (0.03) | 7.98 (0.007) | 7.90 (0.02) | 7.93 (0.02) | 7.95 | 7.70 | 8.00 (0) | 8.00 (0.01) | ||||||
Mass | [M☉] | 0.539 (0.02) | 0.566 (0.006) | 0.534 (0.01) | 0.544 | 0.402 | 0.58 (0.1) | 0.576 (0.01) | |||||||
log(Luminosity) | [L☉] | -4.22 | |||||||||||||
Cooling age | [Gyr] | 7.6500 | 7.1490 (0.2) | 7.0770 | 5.0140 | ||||||||||
log(H/He) | 0.6 | ||||||||||||||
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] | 43.96 (0.05) | 43.96 (0.05) | 44.07 (0.07) | 44.07 (0.07) | 44.07 (0.07) | 44.07 (0.07) | 43.96 | 43.96 (0.05) | 44.07 (0.07) | |||||
Distance | [pc] | 22.75 (0.03) | 22.75 (0.03) | 22.69 (0.04) | 22.69 (0.04) | 22.69 (0.04) | 22.69 (0.04) | 22.60 (2) | 22.75 | 22.75 (0.03) | 22.69 (0.04) | ||||
Composition | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 271.6482781 (0.07) | 271.6827701 (0.2) | 271.648 (0.07) | 271.6827701 | ||||||||||
Proper motion (declination) | [mas/yr] | 418.047807 (0.06) | 418.1078482 (0.1) | 418.048 (0.06) | 418.1078482 | ||||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | 18.70 | ||||||||||||||
V magnitude | |||||||||||||||
R magnitude | 17.00 | ||||||||||||||
I magnitude | |||||||||||||||
J magnitude | 15.62 (0.01) | 15.66 (0.06) | 15.66 | 15.66 (0.06) | |||||||||||
H magnitude | 15.45 (0.1) | 15.45 (0.1) | 15.45 | 15.45 (0.1) | |||||||||||
K magnitude | 15.49 (0.2) | 15.49 (0.2) | 15.49 | 15.49 (0.2) | |||||||||||
u magnitude | 19.97 (0.03) | 19.97 | |||||||||||||
g magnitude | 17.97 | 17.85 (0.005) | |||||||||||||
r magnitude | 17.02 | 17.04 (0.002) | |||||||||||||
i magnitude | 16.67 | 16.69 (0.004) | |||||||||||||
z magnitude | 16.49 | 16.57 (0.009) | |||||||||||||
G magnitude | 17.06 (0.008) | 17.08 | 17.08 | 17.06 | 17.06 (0.003) | 17.08 | |||||||||
BP magnitude | 17.65 (0.008) | 17.67 | 17.67 | ||||||||||||
RP magnitude | 16.34 (0.003) | 16.34 | 16.34 | ||||||||||||
Pan g magnitude | 17.85 (0.004) | 17.85 (0.005) | 17.86 (0.005) | ||||||||||||
Pan r magnitude | 17.04 (0.002) | 17.04 (0.002) | 17.04 (0.002) | ||||||||||||
Pan i magnitude | 16.69 (0.003) | 16.69 (0.004) | 16.69 (0.004) | ||||||||||||
Pan z magnitude | 16.57 (0.008) | 16.57 (0.009) | 16.57 (0.009) | ||||||||||||
Pan y magnitude | 16.52 (0.009) | 16.52 (0.007) | 16.52 (0.007) | ||||||||||||
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.