All names: Gaia DR2 1115546944012493696, J0649+7521, 06494+7521, PM J06494+7521, GALEX J064926.6+752125, TIC 141431871, Gaia EDR3 1115546944012493696, Gaia DR3 1115546944012493696, 2MASS J06492648+7521249, WDJ064926.55+752124.97
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Hardy et al. 2023a | Caron et al. 2023 | McCleery et al. 2020 | Tremblay et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 06 49 26.94 (0.04) | 06 49 26.93 (0.05) | 06 49 26.93 | 06 49 26.94 | 06 49 26.55 (0.04) | 06 49 26.93 | ||||||||||
Declination | 75 21 24.76 (0.05) | 75 21 24.76 (0.06) | 75 21 24.76 | 75 21 24.76 | 75 21 24.97 (0.05) | 75 21 24.76 | ||||||||||
Spectral type | DAH | DAH | DAH | DAH | DAH | DA | DA | DA | ||||||||
Effective temperature | [K] | 6437.0 (65) | 6444.8 (46) | 5986.0 (22) | 6440.4 (41) | 6440.0 (40) | 6491.0 | 6243.0 | 5450.0 (1044) | 6623.0 (37) | ||||||
log(g) | [cgs] | 8.20 (0.03) | 8.23 (0.04) | 8.01 (0.008) | 8.21 (0.02) | 8.21 (0.02) | 8.22 | 8.10 | 8.00 (0) | 8.27 (0.01) | ||||||
Mass | [M☉] | 0.717 (0.02) | 0.7329307142142399 (0.05) | 0.596 (0.006) | 0.732 | 0.635 | 0.58 (0.1) | 0.76 (0.009) | ||||||||
log(Luminosity) | [L☉] | -3.89 | ||||||||||||||
Cooling age | [Gyr] | 2.4000 | 3.0140 | 2.6880 | ||||||||||||
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] | 26.36 (0.05) | 26.36 (0.05) | 26.30 (0.07) | 26.30 (0.07) | 26.30 (0.07) | 26.36 | 26.36 (0.05) | 26.30 (0.07) | |||||||
Distance | [pc] | 37.93 (0.08) | 37.94 (0.07) | 38.02 (0.1) | 38.02 (0.1) | 38.02 (0.1) | 34.40 (7) | 37.93 | 37.93 (0.08) | 38.02 (0.1) | ||||||
Composition | H | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 91.79570586 (0.05) | 91.82578594 (0.1) | 88.0 | 91.796 (0.05) | 91.82578594 | ||||||||||
Proper motion (declination) | [mas/yr] | -13.70192119 (0.06) | -13.68440183 (0.1) | -13.0 | -13.702 (0.06) | -13.68440183 | ||||||||||
Variability | ||||||||||||||||
Magnetic | yes | |||||||||||||||
Bd | [MG] | 18.2428156436862 | ||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | ||||||||||||||||
V magnitude | ||||||||||||||||
R magnitude | ||||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 16.13 (0.1) | 16.13 | 16.13 (0.1) | |||||||||||||
H magnitude | 15.80 (0.1) | 15.80 | 15.80 (0.1) | |||||||||||||
K magnitude | 15.46 (0.03) | 15.46 | ||||||||||||||
u magnitude | ||||||||||||||||
g magnitude | ||||||||||||||||
r magnitude | ||||||||||||||||
i magnitude | ||||||||||||||||
z magnitude | ||||||||||||||||
G magnitude | 16.93 (0.006) | 16.94 | 16.94 | 16.93 | 16.93 (0.003) | 16.94 | ||||||||||
BP magnitude | 17.17 (0.006) | 17.17 | 17.17 | |||||||||||||
RP magnitude | 16.53 (0.005) | 16.54 | 16.54 | |||||||||||||
Pan g magnitude | 17.19 (0.005) | 17.19 (0.005) | ||||||||||||||
Pan r magnitude | 16.93 (0.003) | 16.93 (0.003) | ||||||||||||||
Pan i magnitude | 16.87 (0.003) | 16.87 (0.002) | ||||||||||||||
Pan z magnitude | 16.89 (0.004) | 16.89 (0.005) | ||||||||||||||
Pan y magnitude | 16.91 (0.01) | 16.91 (0.009) | ||||||||||||||
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.