All names: 2MASS J23111791+0519289, GALEX J231117.8+051928, Gaia DR2 2662658107503521536, Gaia EDR3 2662658107503521536, Gaia DR3 2662658107503521536, PG 2308+051, WD 2308+050, PB 5280, TIC 262568916, USNO-B1.0 0953-00588150
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 23 11 17.95 (0.05) | 23 11 17.95 (0.06) | 23 11 17.95 | 23 11 17.92 (0.05) | 23 11 17.45 | |||||||
Declination | 05 19 29.04 (0.04) | 05 19 29.03 (0.05) | 05 19 29.04 | 05 19 28.72 (0.04) | 05 19 24.60 | |||||||
Spectral type | DA | DA | DA | DA | DA1.4 | DA2 | ||||||
Effective temperature | [K] | 23149.0 | 36500.0 (578) | 36062.0 (68) | 36300.0 | 31662.0 (859) | ||||||
log(g) | [cgs] | 7.14 | 7.58 (0.06) | 7.61 (0.01) | 7.60 | 7.53 (0.03) | ||||||
Mass | [M☉] | 0.31 | 0.48 (0.02) | 0.445 (0.01) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.0210 | ||||||||||
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] | 4.33 (0.06) | 4.26 (0.08) | 4.33 | 4.33 (0.06) | |||||||
Distance | [pc] | 230.94 (3) | 234.64 (4) | 267.00 | 230.94 | 230.94 (3) | ||||||
Composition | H | H | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 30.41630685 (0.06) | 30.39964171 (0.1) | 30.416 (0.06) | ||||||||
Proper motion (declination) | [mas/yr] | 19.96459173 (0.05) | 20.07966892 (0.1) | 19.965 (0.05) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 15.66 | |||||||||||
V magnitude | 16.02 | |||||||||||
R magnitude | 16.20 | |||||||||||
I magnitude | ||||||||||||
J magnitude | 16.70 (0.1) | |||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | ||||||||||||
g magnitude | ||||||||||||
r magnitude | ||||||||||||
i magnitude | ||||||||||||
z magnitude | ||||||||||||
G magnitude | 15.97 (0.003) | 15.98 | 15.97 | 15.97 (0.003) | ||||||||
BP magnitude | 15.84 (0.003) | 15.78 | ||||||||||
RP magnitude | 16.22 (0.003) | 16.21 | ||||||||||
Pan g magnitude | 15.82 (0.006) | |||||||||||
Pan r magnitude | 16.20 (0.004) | |||||||||||
Pan i magnitude | 16.53 (0.003) | |||||||||||
Pan z magnitude | 16.82 (0.003) | |||||||||||
Pan y magnitude | 17.00 (0.007) | |||||||||||
E(B-V) | 0.044 |
* 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.