All names: CE 51, WD 0851-246, ** LDS 3830A, WDJ085357.69-244656.23, WDS J08539-2448A, USNO-B1.0 0652-00213618, LHS 2068, J0853-2446, LP 844-26, Gaia EDR3 5652718097353105664, Gaia DR3 5652718097353105664, NLTT 20501, Gaia DR2 5652718097353105664, WD 1851-246
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Bergeron et al. 2022 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Subasavage et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 53 58.41 (0.09) | 08 53 58.39 (0.1) | 08 53 57.68 | 08 53 57.57 | 08 53 58.41 | 08 53 57.69 (0.09) | 08 53 58.39 | 08 53 53.35 | ||||||
Declination | -24 46 53.74 (0.09) | -24 46 53.82 (0.2) | -24 46 05.02 | -24 46 56.40 | -24 46 53.74 | -24 46 56.23 (0.09) | -24 46 53.82 | -24 47 26.16 | ||||||
Spectral type | DC | DC | DC | DC | DZ: | DC | DC | |||||||
Effective temperature | [K] | 3740.0 (37) | 3738.0 (37) | 3490.0 (80) | 4874.0 (33) | |||||||||
log(g) | [cgs] | 8.16 (0.006) | 7.89 (0.05) | 8.69 (0.02) | ||||||||||
Mass | [M☉] | 0.672 (0.004) | 0.672 (0.003) | 0.5 (0.05) | 1.021 (0.01) | |||||||||
log(Luminosity) | [L☉] | -4.63 (0.06) | ||||||||||||
Cooling age | [Gyr] | 9.1100 | 8.6410 | 8.0600 (0.3) | ||||||||||
log(H/He) | -1.07 | -1.06 | ||||||||||||
log(C/He) | ||||||||||||||
log(Ca/He) | ||||||||||||||
log(Ca/H) | ||||||||||||||
log(N/He) | ||||||||||||||
log(O/He) | ||||||||||||||
log(Na/He) | ||||||||||||||
log(Mg/He) | ||||||||||||||
log(Al/He) | ||||||||||||||
log(Si/He) | ||||||||||||||
log(P/He) | ||||||||||||||
log(S/He) | ||||||||||||||
log(Cl/He) | ||||||||||||||
log(Sc/He) | ||||||||||||||
log(Ti/He) | ||||||||||||||
log(V/He) | ||||||||||||||
log(Cr/He) | ||||||||||||||
log(Mn/He) | ||||||||||||||
log(Fe/He) | ||||||||||||||
log(Co/He) | ||||||||||||||
log(Ni/He) | ||||||||||||||
log(Cu/He) | ||||||||||||||
log(Zn/He) | ||||||||||||||
log(Ga/He) | ||||||||||||||
log(Ge/He) | ||||||||||||||
log(Sr/He) | ||||||||||||||
Parallax | [mas] | 38.84 (0.1) | 38.84 (0.1) | 38.86 (0.2) | 38.86 (0.2) | 38.96 (0.4) | 38.84 | 38.84 (0.1) | 38.86 (0.2) | |||||
Distance | [pc] | 25.74 (0.08) | 25.75 (0.09) | 25.73 (0.1) | 25.73 (0.1) | 25.67 (0.3) | 25.74 | 25.74 (0.08) | 25.73 (0.1) | |||||
Composition | He | He | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 613.5243985 (0.1) | 613.7222387 (0.2) | 613.524 (0.1) | 613.7222387 | |||||||||
Proper motion (declination) | [mas/yr] | 155.6216102 (0.1) | 155.6506542 (0.3) | 155.622 (0.1) | 155.6506542 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | WDsdM | yes | ||||||||||||
B magnitude | 20.20 | |||||||||||||
V magnitude | 18.09 | 18.07 | ||||||||||||
R magnitude | 17.56 | 17.40 | ||||||||||||
I magnitude | 17.47 | |||||||||||||
J magnitude | 17.17 (0.02) | |||||||||||||
H magnitude | ||||||||||||||
K magnitude | 16.18 (0.04) | |||||||||||||
u magnitude | ||||||||||||||
g magnitude | ||||||||||||||
r magnitude | ||||||||||||||
i magnitude | ||||||||||||||
z magnitude | ||||||||||||||
G magnitude | 17.93 (0.01) | 17.95 | 17.93 | 17.93 (0.003) | 17.95 | |||||||||
BP magnitude | 18.44 (0.01) | 18.40 | 18.40 | |||||||||||
RP magnitude | 17.36 (0.01) | 17.37 | 17.37 | |||||||||||
Pan g magnitude | 18.60 (0.009) | 18.60 (0.009) | ||||||||||||
Pan r magnitude | 17.74 (0.006) | 17.74 (0.006) | ||||||||||||
Pan i magnitude | 17.66 (0.006) | 17.66 (0.006) | ||||||||||||
Pan z magnitude | 17.88 (0.006) | 17.88 (0.006) | ||||||||||||
Pan y magnitude | 18.02 (0.02) | 18.02 (0.02) | ||||||||||||
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.