All names: USNO-B1.0 0634-00990767, EC 22312-2647, UCAC4 318-243547, HE2231-2647, GALEX J223402.6-263220, PHL 316, 2MASS J22340262-2632210, Gaia EDR3 6621374578563035776, HE 2231-2647, TIC 209363138, WDJ223402.63-263220.98, Gaia DR2 6621374578563035776, WD 2231-267, Gaia DR3 6621374578563035776
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 | 22 34 02.70 (0.08) | 22 34 02.69 (0.09) | 22 34 02.70 | 22 34 02.63 (0.08) | 22 34 02.69 | 22 34 02.26 | ||||||
Declination | -26 32 20.94 (0.07) | -26 32 20.94 (0.07) | -26 32 20.94 | -26 32 20.99 (0.07) | -26 32 20.94 | -26 32 17.52 | ||||||
Spectral type | DA | DA | DA | DA | ||||||||
Effective temperature | [K] | 15456.0 | 21126.0 (287) | 21592.0 (41) | 19011.0 (209) | |||||||
log(g) | [cgs] | 7.48 | 7.80 (0.09) | 7.70 (0.006) | 7.68 (0.01) | |||||||
Mass | [M☉] | 0.37 | 0.521 (0.04) | 0.459 (0.008) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.0888 | ||||||||||
log(H/He) | ||||||||||||
log(C/He) | ||||||||||||
log(Ca/He) | ||||||||||||
log(Ca/H) | ||||||||||||
log(C/H) | <-8.40 | |||||||||||
log(N/H) | ||||||||||||
log(O/H) | ||||||||||||
log(Na/H) | ||||||||||||
log(Mg/H) | ||||||||||||
log(Al/H) | ||||||||||||
log(Si/H) | -8.1 (0.1) | |||||||||||
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] | 12.17 (0.09) | 12.50 (0.1) | 12.17 | 12.17 (0.09) | 12.50 (0.1) | ||||||
Distance | [pc] | 82.17 (0.6) | 79.97 (0.7) | 82.17 | 82.17 (0.6) | 79.97 (0.7) | ||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 54.85310658 (0.09) | 53.44794633 (0.2) | 54.853 (0.09) | 53.44794633 | |||||||
Proper motion (declination) | [mas/yr] | 3.15708452 (0.08) | 2.632379198 (0.2) | 3.157 (0.08) | 2.632379198 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 14.96 | 14.95 (0.01) | ||||||||||
V magnitude | 14.97 (0.04) | 14.98 (0.06) | ||||||||||
R magnitude | 15.38 (0.2) | |||||||||||
I magnitude | ||||||||||||
J magnitude | 15.34 (0.04) | |||||||||||
H magnitude | 15.39 (0.09) | |||||||||||
K magnitude | 15.58 (0.2) | |||||||||||
u magnitude | ||||||||||||
g magnitude | ||||||||||||
r magnitude | ||||||||||||
i magnitude | ||||||||||||
z magnitude | ||||||||||||
G magnitude | 15.00 (0.002) | 15.01 | 15.00 | 15.00 (0.003) | 15.01 | |||||||
BP magnitude | 14.92 (0.002) | 14.89 | 14.89 | |||||||||
RP magnitude | 15.15 (0.002) | 15.16 | 15.16 | |||||||||
Pan g magnitude | 14.88 (0.003) | |||||||||||
Pan r magnitude | 15.18 (0.002) | |||||||||||
Pan i magnitude | 15.48 (0.002) | |||||||||||
Pan z magnitude | 15.71 (0.004) | |||||||||||
Pan y magnitude | 15.87 (0.005) | |||||||||||
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.