All names: SDSS J152408.24+550049.1, Gaia DR3 1599816562607892864, GALEX J152408.2+550049, SDSS J152408.24+550048.9, WD 1522+551, Gaia EDR3 1599816562607892864, SBSS 1522+551, SDSS J152408.24+550048.99, Gaia DR2 1599816562607892864, SDSS J152408.23+550049.2, USNO-B1.0 1450-00240310
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 24 08.23 (0.09) | 15 24 08.24 | 15 24 08.23 (0.1) | 15 24 08.23 | 15 24 08.24 (0.09) | 15 24 07.49 | ||||||
Declination | 55 00 49.01 (0.1) | 55 00 49.15 | 55 00 49.02 (0.1) | 55 00 49.01 | 55 00 49.29 (0.1) | 55 00 45.72 | ||||||
Spectral type | DA | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 21733.0 | 27134.0 (137) | 30857.0 (2151) | ||||||||
log(g) | [cgs] | 7.70 | 7.85 (0.02) | 8.12 (0.08) | ||||||||
Mass | [M☉] | 0.478 | 0.5670000000000001 (0.009) | 0.715 (0.07) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.0282 | ||||||||||
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] | 2.53 (0.1) | 2.51 (0.1) | 2.53 | 2.53 (0.1) | |||||||
Distance | [pc] | 395.72 (16) | 398.78 (22) | 395.72 | 395.73 (16) | |||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -0.794013155 (0.1) | -0.839257235 (0.3) | -0.794 (0.1) | ||||||||
Proper motion (declination) | [mas/yr] | -17.85094231 (0.1) | -17.47000796 (0.3) | -17.851 (0.1) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 17.70 | |||||||||||
V magnitude | ||||||||||||
R magnitude | 18.40 | |||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 17.77 (0.01) | 17.79 (0.02) | 17.77 (0.01) | |||||||||
g magnitude | 17.92 (0.006) | 17.95 (0.02) | 17.91 (0.006) | |||||||||
r magnitude | 18.36 (0.008) | 18.37 (0.02) | 18.36 (0.008) | |||||||||
i magnitude | 18.70 (0.01) | 18.71 (0.02) | 18.70 (0.01) | |||||||||
z magnitude | 19.02 (0.04) | 19.02 (0.04) | 19.02 (0.04) | |||||||||
G magnitude | 18.15 (0.009) | 18.18 | 18.15 | 18.15 (0.003) | ||||||||
BP magnitude | 18.01 (0.009) | 17.98 | ||||||||||
RP magnitude | 18.41 (0.02) | 18.40 | ||||||||||
Pan g magnitude | 18.04 (0.02) | |||||||||||
Pan r magnitude | 18.36 (0.009) | |||||||||||
Pan i magnitude | 18.72 (0.005) | |||||||||||
Pan z magnitude | 19.01 (0.01) | |||||||||||
Pan y magnitude | 19.16 (0.07) | |||||||||||
E(B-V) | 0.020 |
* 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.