All names: Gaia DR3 2881215970856879616, TIC 291752177, 2MASS J23562847+3743590, FBS B 203, Gaia EDR3 2881215970856879616, WDJ235628.50+374359.42, SDSS J235628.52+374359.3, J2356+3743, WDJ235628.5+374359.41, SDSS J235628.51+374359.2, Gaia DR2 2881215970856879616, LAMOST J235628.54+374358.8, GALEX J235628.5+374359, FBS 2354+375
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 23 56 28.56 (0.04) | 23 56 28.56 | 23 56 28.56 | 23 56 28.50 (0.04) | 23 56 28.56 | |||||||
Declination | 37 43 58.62 (0.03) | 37 43 58.65 | 37 43 58.62 | 37 43 59.42 (0.03) | 37 43 58.65 | |||||||
Spectral type | DC | DC | DB | DC | ||||||||
Effective temperature | [K] | 12225.0 (93) | 12222.0 (93) | 11516.0 | 12111.0 | 12685.0 (141) | ||||||
log(g) | [cgs] | 8.02 (0.01) | 8.05 (0.01) | 8.05 | 8.04 | 8.08 (0.01) | ||||||
Mass | [M☉] | 0.598 (0.009) | 0.613 (0.01) | 0.634 | 0.611 | 0.634 (0.01) | ||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.4449 | 0.3987 | |||||||||
log(H/He) | -5.0 | -5 | ||||||||||
log(C/He) | ||||||||||||
log(Ca/He) | ||||||||||||
log(Ca/H) | ||||||||||||
Parallax | [mas] | 12.74 (0.06) | 12.96 (0.08) | 12.74 | 12.74 (0.06) | 12.96 (0.08) | ||||||
Distance | [pc] | 78.52 (0.3) | 77.13 (0.5) | 78.52 | 78.52 (0.3) | 77.13 (0.5) | ||||||
Composition | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 42.24300038 (0.05) | 42.17757693 (0.09) | 42.243 (0.05) | 42.17757693 | |||||||
Proper motion (declination) | [mas/yr] | -49.63514127 (0.04) | -49.63569472 (0.06) | -49.635 (0.04) | -49.63569472 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | 16.57 (0.2) | |||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 16.17 (0.006) | 16.17 (0.006) | ||||||||||
g magnitude | 16.16 (0.004) | 16.16 (0.004) | ||||||||||
r magnitude | 16.39 (0.004) | 16.39 (0.004) | ||||||||||
i magnitude | 16.57 (0.005) | 16.57 (0.005) | ||||||||||
z magnitude | 16.78 (0.009) | 16.78 (0.009) | ||||||||||
G magnitude | 16.25 (0.004) | 16.28 | 16.25 | 16.25 (0.003) | 16.28 | |||||||
BP magnitude | 16.23 (0.004) | 16.20 | 16.20 | |||||||||
RP magnitude | 16.28 (0.003) | 16.28 | 16.28 | |||||||||
Pan g magnitude | 16.21 (0.003) | |||||||||||
Pan r magnitude | 16.40 (0.006) | |||||||||||
Pan i magnitude | 16.60 (0.004) | |||||||||||
Pan z magnitude | 16.79 (0.005) | |||||||||||
Pan y magnitude | 16.93 (0.008) | |||||||||||
E(B-V) | 0.006 |
* 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.