All names: J1515+6642, Gaia DR2 1645204475617697536, WD 1515+668, GALEX J151552.9+664243, 2MASS J15155289+6642427, WDJ151552.91+664242.88, TIC 230059745, SDSS J151552.92+664243.4, Gaia EDR3 1645204475617697536, PG 1515+669, CHSS 2744, Gaia DR3 1645204475617697536
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 15 52.96 (0.02) | 15 15 52.96 (0.03) | 15 15 52.96 (0.03) | 15 15 52.96 | 15 15 52.91 (0.02) | 15 15 52.96 | 15 15 52.32 | |||||||||
Declination | 66 42 44.42 (0.02) | 66 42 44.37 (0.03) | 66 42 44.37 (0.03) | 66 42 44.42 | 66 42 42.88 (0.02) | 66 42 44.37 | 66 42 37.44 | |||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA4.8 | DA5 | ||||||
Effective temperature | [K] | 10099.0 (52) | 10298.0 (110) | 9983.0 (46) | 10099.0 (52) | 10220.6 (88) | 10041.0 | 10410.0 (157) | 9954.0 (58) | |||||||
log(g) | [cgs] | 8.24 (0.006) | 8.27 (0.02) | 8.22 (0.006) | 8.25 (0.007) | 8.27 (0.02) | 8.24 | 8.48 (0.06) | 8.23 (0.009) | |||||||
Mass | [M☉] | 0.753 (0.006) | 0.771 (0.01) | 0.74 (0.006) | 0.755 (0.006) | 0.749 | 0.91 (0.04) | 0.74 (0.008) | ||||||||
log(Luminosity) | [L☉] | |||||||||||||||
Cooling age | [Gyr] | 0.8800 | 0.8495 | |||||||||||||
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] | 26.16 (0.02) | 26.16 (0.02) | 26.23 (0.03) | 26.23 (0.03) | 26.23 (0.03) | 26.16 | 26.16 (0.02) | 26.23 (0.03) | |||||||
Distance | [pc] | 38.22 (0.03) | 38.23 (0.03) | 38.12 (0.04) | 38.13 (0.04) | 38.13 (0.04) | 32.00 | 38.22 | 38.22 (0.03) | 38.13 (0.04) | ||||||
Composition | H | H | H | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 19.38712684 (0.03) | 19.32683352 (0.05) | 19.387 (0.03) | 19.32683352 | |||||||||||
Proper motion (declination) | [mas/yr] | 96.31128011 (0.03) | 96.18579615 (0.05) | 96.311 (0.03) | 96.18579615 | |||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | 15.59 | |||||||||||||||
V magnitude | ||||||||||||||||
R magnitude | ||||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 15.29 (0.05) | 15.29 (0.05) | ||||||||||||||
H magnitude | 15.24 (0.1) | 15.24 (0.1) | ||||||||||||||
K magnitude | 15.18 (0.2) | 15.18 (0.2) | ||||||||||||||
u magnitude | 15.81 (0.005) | 15.80 (0.005) | 15.80 (0.005) | |||||||||||||
g magnitude | 15.42 (0.003) | 15.42 (0.003) | ||||||||||||||
r magnitude | 15.50 (0.004) | 15.50 (0.004) | ||||||||||||||
i magnitude | 15.63 (0.004) | 15.63 (0.004) | ||||||||||||||
z magnitude | 15.82 (0.007) | 15.82 (0.007) | ||||||||||||||
G magnitude | 15.42 (0.002) | 15.44 | 15.44 | 15.42 | 15.42 (0.003) | 15.44 | ||||||||||
BP magnitude | 15.47 (0.002) | 15.46 | 15.46 | |||||||||||||
RP magnitude | 15.34 (0.002) | 15.35 | 15.35 | |||||||||||||
Pan g magnitude | 15.43 (0.004) | 15.43 (0.004) | ||||||||||||||
Pan r magnitude | 15.51 (0.002) | 15.51 (0.003) | ||||||||||||||
Pan i magnitude | 15.65 (0.004) | 15.65 (0.004) | ||||||||||||||
Pan z magnitude | 15.81 (0.003) | 15.81 (0.003) | ||||||||||||||
Pan y magnitude | 15.94 (0.007) | 15.94 (0.007) | ||||||||||||||
E(B-V) | 0.005 |
* 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.