All names: WD 0149-253, Gaia DR2 5026000176075186560, Gaia DR3 5026000176075186560, USNO-A2.0 0600-00725066, MCT0149-2518, HE 0149-2518, PHL 1201, GALEX J015159.6-250316, Gaia EDR3 5026000176075186560, MCT 0149-2518
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Bergeron et al. 2021 | MWDD HE | Gaia DR2 | Stilism | Voss et al. 2007 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 01 51 59.69 (0.04) | 01 51 59.69 (0.05) | 01 51 59.69 | 01 51 59.65 (0.04) | 01 51 59.16 | ||||||
Declination | -25 03 15.76 (0.04) | -25 03 15.75 (0.06) | -25 03 15.76 | -25 03 15.32 (0.04) | -25 03 12.60 | ||||||
Spectral type | DB | DB | DB | DB | DB3.1 | ||||||
Effective temperature | [K] | 16642.0 (544) | 15647.0 | 16834.0 | 15759.0 (324) | ||||||
log(g) | [cgs] | 7.87 (0.2) | 7.96 | 7.94 | 7.95 (0.03) | ||||||
Mass | [M☉] | 0.523 (0.1) | 0.567 | 0.557 | 0.563 (0.02) | ||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.1109 | 0.1615 | ||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
log(N/He) | |||||||||||
log(O/He) | |||||||||||
log(Na/He) | |||||||||||
log(Mg/He) | |||||||||||
log(Al/He) | |||||||||||
log(Si/He) | |||||||||||
log(P/He) | |||||||||||
log(S/He) | |||||||||||
log(Cl/He) | |||||||||||
log(Sc/He) | |||||||||||
log(Ti/He) | |||||||||||
log(V/He) | |||||||||||
log(Cr/He) | |||||||||||
log(Mn/He) | |||||||||||
log(Fe/He) | |||||||||||
log(Co/He) | |||||||||||
log(Ni/He) | |||||||||||
log(Cu/He) | |||||||||||
log(Zn/He) | |||||||||||
log(Ga/He) | |||||||||||
log(Ge/He) | |||||||||||
log(Sr/He) | |||||||||||
Parallax | [mas] | 6.77 (0.06) | 6.85 (0.09) | 6.77 | 6.77 (0.06) | ||||||
Distance | [pc] | 147.65 (1) | 147.00 | 145.94 (2) | 147.65 | 147.65 (1) | |||||
Composition | He | He | |||||||||
Proper motion (right ascension) | [mas/yr] | 33.87093744 (0.06) | 33.8445902 (0.1) | 33.871 (0.06) | |||||||
Proper motion (declination) | [mas/yr] | -27.55870599 (0.05) | -27.67350817 (0.1) | -27.559 (0.05) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 15.91 | 17.20 (0.3) | |||||||||
V magnitude | 17.20 | ||||||||||
R magnitude | 17.00 (0.3) | ||||||||||
I magnitude | |||||||||||
J magnitude | |||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | |||||||||||
g magnitude | |||||||||||
r magnitude | |||||||||||
i magnitude | |||||||||||
z magnitude | |||||||||||
G magnitude | 16.91 (0.004) | 16.94 | 16.91 | 16.91 (0.003) | |||||||
BP magnitude | 16.85 (0.004) | 16.81 | |||||||||
RP magnitude | 17.03 (0.006) | 17.02 | |||||||||
Pan g magnitude | 16.83 (0.003) | ||||||||||
Pan r magnitude | 17.07 (0.003) | ||||||||||
Pan i magnitude | 17.34 (0.005) | ||||||||||
Pan z magnitude | 17.59 (0.008) | ||||||||||
Pan y magnitude | 17.78 (0.02) | ||||||||||
E(B-V) | 0.002 |
* 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.