All names: USNO-B1.0 0971-00304061, WDJ153418.26+071148.33, Gaia DR2 4430790968108076544, WD 1531+073, NLTT 40572, J1534+0711, LP 563-8, Gaia DR3 4430790968108076544, Gaia EDR3 4430790968108076544, SDSS J153418.28+071148.6, LSPM J1534+0711, SDSS J153418.29+071148.7, SDSS J153418.29+071148.77, SDSS J153418.28+071148.7
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 34 18.39 (0.2) | 15 34 18.29 | 15 34 18.29 | 15 34 18.38 (0.2) | 15 34 18.39 | 15 34 18.26 (0.2) | 15 34 18.38 | 15 34 17.93 | ||||||||||
Declination | 07 11 50.17 (0.1) | 07 11 48.75 | 07 11 48.75 | 07 11 50.12 (0.2) | 07 11 50.17 | 07 11 48.33 (0.1) | 07 11 50.12 | 07 11 42.72 | ||||||||||
Spectral type | DA | DA | DA | DC | DC | DC | DA: | DA | DA | DA9.5 | DA | |||||||
Effective temperature | [K] | 5189.0 (20) | 5246.0 (20) | 5192.0 (20) | 5144.0 | 4830.0 | 8000.0 (1000) | 5167.0 (93) | ||||||||||
log(g) | [cgs] | 7.96 (0.02) | 8.06 (0.02) | 8.00 (0.02) | 7.97 | 7.75 | 8.00 (0) | 7.97 (0.04) | ||||||||||
Mass | [M☉] | 0.561 (0.01) | 0.618 (0.02) | 0.581 (0.02) | 0.563 | 0.431 | 0.561 (0.04) | |||||||||||
log(Luminosity) | [L☉] | |||||||||||||||||
Cooling age | [Gyr] | 5.1000 | 4.5650 | 3.7680 | ||||||||||||||
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] | 16.64 (0.2) | 16.98 (0.2) | 16.98 (0.2) | 16.64 | 16.64 (0.2) | 16.98 (0.2) | |||||||||||
Distance | [pc] | 60.11 (0.7) | 58.89 (0.8) | 58.89 (0.8) | 60.11 | 60.11 (0.7) | 58.89 (0.8) | |||||||||||
Composition | H | H | ||||||||||||||||
Proper motion (right ascension) | [mas/yr] | 120.5555464 (0.2) | 120.4805314 (0.4) | 120.556 (0.2) | 120.481 | |||||||||||||
Proper motion (declination) | [mas/yr] | 115.5082903 (0.1) | 115.1842823 (0.4) | 115.508 (0.1) | 115.184 | |||||||||||||
Variability | ||||||||||||||||||
Magnetic | ||||||||||||||||||
Bd | [MG] | |||||||||||||||||
Infrared excess (disk) | ||||||||||||||||||
Binarity | ||||||||||||||||||
B magnitude | 20.60 | |||||||||||||||||
V magnitude | ||||||||||||||||||
R magnitude | 18.40 | |||||||||||||||||
I magnitude | ||||||||||||||||||
J magnitude | 17.44 (0.04) | 17.44 (0.04) | ||||||||||||||||
H magnitude | 17.09 (0.04) | 17.09 (0.04) | ||||||||||||||||
K magnitude | 17.06 (0.05) | 17.06 (0.05) | ||||||||||||||||
u magnitude | 20.57 (0.05) | 20.57 (0.05) | 20.60 (0.05) | 20.57 (0.05) | 20.57 (0.05) | 20.62 (0.05) | 20.50 | |||||||||||
g magnitude | 19.15 (0.01) | 19.15 (0.01) | 19.15 (0.01) | 19.15 (0.01) | 19.16 (0.01) | 19.15 | ||||||||||||
r magnitude | 18.49 (0.009) | 18.50 (0.009) | 18.50 (0.01) | 18.50 (0.009) | 18.50 (0.008) | 18.51 | ||||||||||||
i magnitude | 18.26 (0.01) | 18.26 (0.01) | 18.26 (0.01) | 18.26 (0.01) | 18.27 (0.009) | 18.27 | ||||||||||||
z magnitude | 18.16 (0.02) | 18.16 (0.02) | 18.16 (0.02) | 18.16 (0.02) | 18.18 (0.02) | 18.21 | ||||||||||||
G magnitude | 18.54 (0.03) | 18.57 | 18.54 | 18.54 (0.003) | 18.57 | |||||||||||||
BP magnitude | 19.05 (0.03) | 19.06 | 19.06 | |||||||||||||||
RP magnitude | 17.98 (0.02) | 17.98 | 17.98 | |||||||||||||||
Pan g magnitude | 19.06 (0.005) | 19.06 (0.005) | ||||||||||||||||
Pan r magnitude | 18.50 (0.004) | 18.50 (0.004) | ||||||||||||||||
Pan i magnitude | 18.29 (0.004) | 18.29 (0.004) | ||||||||||||||||
Pan z magnitude | 18.20 (0.01) | 18.20 (0.009) | ||||||||||||||||
Pan y magnitude | 18.16 (0.01) | 18.16 (0.01) | ||||||||||||||||
E(B-V) | 0.003 |
* 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.