All names: GALEX J031107.1-225404, MCT 0308-2305, Gaia DR3 5075443981321647744, HE0308-2305, EC 03089-2305, HE 0308-2305, J0311-2254, USNO-B1.0 0670-00036167, 2MASS J03110714-2254050, UCAC4 336-003565, WD 0308-230, Gaia EDR3 5075443981321647744, UCAC2 22608076, TIC 71469312, Gaia DR2 5075443981321647744, WDJ031107.13-225405.27
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Jewett et al. 2024 | Bergeron et al. 2021 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 03 11 07.12 (0.03) | 03 11 07.12 (0.03) | 03 11 07.12 | 03 11 07.13 (0.03) | 03 11 07.12 | 03 11 06.84 | ||||||||
Declination | -22 54 05.87 (0.03) | -22 54 05.85 (0.04) | -22 54 05.87 | -22 54 05.26 (0.03) | -22 54 05.85 | -22 54 00.72 | ||||||||
Spectral type | DA | DA | DA | DA | DA | DA | ||||||||
Effective temperature | [K] | 22184.0 (392) | 25943.0 (450) | 22193.0 | 25066.0 (340) | 23565.0 (41) | 24479.0 (289) | |||||||
log(g) | [cgs] | 8.51 | 8.62 (0.06) | 8.52 | 8.59 (0.09) | 8.54 (0.006) | 8.60 (0.01) | |||||||
Mass | [M☉] | 0.94 (0.01) | 1.009 (0.04) | 0.946 | 0.981 (0.04) | 0.995 (0.008) | ||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.1500 (0.01) | 0.1136 | 0.1485 | ||||||||||
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) | <-7.80 | |||||||||||||
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] | 17.94 (0.04) | 18.08 (0.05) | 17.94 | 17.94 (0.04) | 18.08 (0.05) | ||||||||
Distance | [pc] | 55.74 (0.1) | 55.00 | 55.31 (0.2) | 55.74 | 55.74 (0.1) | 55.31 (0.2) | |||||||
Composition | H | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -16.71641998 (0.04) | -16.58911176 (0.09) | -16.716 (0.04) | -16.58911176 | |||||||||
Proper motion (declination) | [mas/yr] | -37.77261451 (0.04) | -37.70517152 (0.1) | -37.773 (0.04) | -37.70517152 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | 15.16 | 15.01 (0.04) | ||||||||||||
V magnitude | 15.08 (0.06) | 15.08 (0.06) | ||||||||||||
R magnitude | 15.45 (0.1) | |||||||||||||
I magnitude | ||||||||||||||
J magnitude | 15.64 (0.06) | |||||||||||||
H magnitude | 15.68 (0.1) | |||||||||||||
K magnitude | ||||||||||||||
u magnitude | ||||||||||||||
g magnitude | ||||||||||||||
r magnitude | ||||||||||||||
i magnitude | ||||||||||||||
z magnitude | ||||||||||||||
G magnitude | 15.13 (0.002) | 15.15 | 15.13 | 15.13 (0.003) | 15.15 | |||||||||
BP magnitude | 15.02 (0.002) | 14.99 | 14.99 | |||||||||||
RP magnitude | 15.35 (0.002) | 15.35 | 15.35 | |||||||||||
Pan g magnitude | 15.00 (0.005) | |||||||||||||
Pan r magnitude | 15.34 (0.002) | |||||||||||||
Pan i magnitude | 15.67 (0.003) | |||||||||||||
Pan z magnitude | 15.96 (0.003) | |||||||||||||
Pan y magnitude | 16.14 (0.004) | |||||||||||||
E(B-V) | 0.001 |
* 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.