All names: NLTT 27855, WDJ113430.48-325002.40, CNS5 2836, vB 4, Gaia DR3 3478127467639543296, WD 1132-325, HD 100623B, GJ 432 B, Zkh 162, * 20 Crt B, VB 4, LHS 309, LHS 309, Gaia DR2 3478127467639543296, ** LDS 6245B, WDS J11345-3250B, CSI-32-11321, VB 4, Gaia EDR3 3478127467639543296, CCDM J11345-3250B
Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Giammichele et al. 2012 | Holberg et al. 2008 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 11 34 29.59 (0.02) | 11 34 29.61 (0.08) | 11 34 29.52 | 11 34 29.59 | 11 34 30.48 (0.02) | 11 34 29.61 | 11 34 31.75 | ||||||
Declination | -32 49 49.14 (0.01) | -32 49 49.56 (0.03) | -32 49 55.20 | -32 49 49.14 | -32 50 02.40 (0.01) | -32 49 49.56 | -32 50 29.76 | ||||||
Spectral type | DC | DC | DC | DC | DC | DA | DC | DC+K0V | |||||
Effective temperature | [K] | 5300.0 (23) | 5000.0 (500) | 5677.0 (13) | |||||||||
log(g) | [cgs] | 8.05 (0.01) | 8.00 (0) | 8.25 (0.005) | |||||||||
Mass | [M☉] | 0.599 (0.01) | 0.58 (0) | 0.747 (0.004) | |||||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 5.6900 | |||||||||||
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] | 104.66 (0.03) | 104.66 (0.03) | 104.74 (0.07) | 104.61 (0.4) | 104.84 (0.8) | 104.84 (0.8) | 104.66 | 104.66 (0.03) | 104.74 (0.07) | 104.50 | ||
Distance | [pc] | 9.56 (0.002) | 9.55 (0.003) | 9.55 (0.007) | 9.56 (0.03) | 9.53 | 9.54 (0.07) | 9.54 | 9.56 | 9.56 (0.002) | 9.55 (0.007) | 9.57 | |
Composition | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -701.8023325 (0.03) | -701.6164818 (0.1) | -701.802 (0.03) | -701.6164818 | ||||||||
Proper motion (declination) | [mas/yr] | 828.9282877 (0.02) | 828.8172126 (0.09) | 828.928 (0.02) | 828.8172126 | ||||||||
Variability | VAR | ||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | WDMS | WDMS | WDMS | yes | |||||||||
B magnitude | 17.00 | ||||||||||||
V magnitude | 15.00 | 15.00 | |||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | |||||||||||||
g magnitude | |||||||||||||
r magnitude | |||||||||||||
i magnitude | |||||||||||||
z magnitude | |||||||||||||
G magnitude | 14.55 (0.002) | 14.56 | 14.55 | 14.55 (0.003) | 14.56 | ||||||||
BP magnitude | 14.92 (0.002) | 14.92 | 14.92 | ||||||||||
RP magnitude | 13.98 (0.001) | 13.99 | 13.99 | ||||||||||
Pan g magnitude | |||||||||||||
Pan r magnitude | |||||||||||||
Pan i magnitude | |||||||||||||
Pan z magnitude | |||||||||||||
Pan y magnitude | |||||||||||||
E(B-V) | 0.000 |
* 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.