All names: Gaia EDR3 875360961090634496, LAMOST J074742.05+280945.57, SDSS J074742.08+280945.8, SDSS J074742.08+280945.9, SDSS J074742.07+280945.8, LAMOST J074742.04+280945.5, GALEX J074742.0+280945, LAMOST J074742.05+280945.6, Gaia DR3 875360961090634496, Gaia DR2 875360961090634496, SDSS J074742.04+280945.6
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Zhao et al. 2013 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 07 47 42.03 (0.09) | 07 47 42.04 | 07 47 42.03 (0.1) | 07 47 42.05 | 07 47 42.03 | 07 47 42.04 (0.09) | 07 47 42.08 | ||||||
Declination | 28 09 45.44 (0.06) | 28 09 45.66 | 28 09 45.44 (0.08) | 28 09 45.57 | 28 09 45.44 | 28 09 45.73 (0.06) | 28 09 45.89 | ||||||
Spectral type | DA3-4 | DA | DA | DA3-4 | DA | DA | |||||||
Effective temperature | [K] | 12161.0 | 16352.0 (238) | 15085.0 (596) | 12533.0 (329) | 12405.0 (363) | |||||||
log(g) | [cgs] | 7.42 | 8.13 (0.05) | 7.66 (0.1) | 7.41 (0.03) | 8.10 (0.04) | |||||||
Mass | [M☉] | 0.338 | 0.69 (0.03) | 0.44 (0.06) | 0.335 (0.02) | 0.661 (0.03) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.1914 | 0.1170 (0.03) | ||||||||||
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] | 4.53 (0.1) | 4.66 (0.2) | 4.53 | 4.53 (0.1) | ||||||||
Distance | [pc] | 220.91 (5) | 214.51 (8) | 209.00 | 220.91 | 220.92 (5) | |||||||
Composition | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -10.24716991 (0.1) | -9.848258632 (0.3) | -10.247 (0.1) | |||||||||
Proper motion (declination) | [mas/yr] | -18.44733358 (0.07) | -18.50636598 (0.1) | -18.447 (0.07) | |||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | 17.83 (0.04) | ||||||||||||
H magnitude | 17.90 (0.1) | ||||||||||||
K magnitude | 17.80 (0.1) | ||||||||||||
u magnitude | 17.85 (0.01) | 17.83 | 17.85 (0.01) | 17.82 (0.02) | |||||||||
g magnitude | 17.43 (0.005) | 17.43 | 17.44 (0.005) | 17.42 (0.02) | |||||||||
r magnitude | 17.66 (0.006) | 17.69 | 17.66 (0.006) | 17.68 (0.03) | |||||||||
i magnitude | 17.89 (0.008) | 17.88 | 17.89 (0.008) | 17.88 (0.02) | |||||||||
z magnitude | 18.14 (0.02) | 18.13 | 18.14 (0.02) | 18.12 (0.03) | |||||||||
G magnitude | 17.56 (0.009) | 17.58 | 17.56 | 17.56 (0.003) | |||||||||
BP magnitude | 17.56 (0.009) | 17.53 | |||||||||||
RP magnitude | 17.61 (0.02) | 17.59 | |||||||||||
Pan g magnitude | 17.46 (0.003) | ||||||||||||
Pan r magnitude | 17.67 (0.004) | ||||||||||||
Pan i magnitude | 17.91 (0.003) | ||||||||||||
Pan z magnitude | 18.13 (0.007) | ||||||||||||
Pan y magnitude | 18.28 (0.02) | ||||||||||||
E(B-V) | 0.012 |
* 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.