All names: LP518-035, GSC2 N002210310354, NLTT 51874, WD 2139+132.2, WDJ214208.07+132906.44, LP 518-35, J2142+1329, 2139+132B, 2MASS J21420804+1329062, USNO-B1.0 1034-00603602, TIC 301825289, LSPM J2142+1329, WD 2139+132B, Gaia DR3 1767494868982336000, Gaia DR2 1767494868982336000, Gaia EDR3 1767494868982336000
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Leggett et al. 2018 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 21 42 08.43 (0.1) | 21 42 08.42 (0.2) | 21 42 08.43 | 21 42 08.07 (0.1) | 21 42 08.42 | 21 42 06.72 | |||||||
Declination | 13 29 05.00 (0.09) | 13 29 05.04 (0.1) | 13 29 05.00 | 13 29 06.44 (0.09) | 13 29 05.04 | 13 28 49.08 | |||||||
Spectral type | DC: | DC:9.3 | DC: | DC: | DA: | DC | DC: | ||||||
Effective temperature | [K] | 5057.0 (31) | 5301.0 (87) | 5327.0 | 5027.0 | 5353.0 (60) | |||||||
log(g) | [cgs] | 7.96 (0.02) | 8.12 (0.04) | 8.13 | 7.93 | 8.12 (0.03) | |||||||
Mass | [M☉] | 0.541 (0.01) | 0.651 (0.03) | 0.662 | 0.529 | 0.659 (0.02) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 5.3300 | 5.4950 (0.5) | 5.4030 | 5.0360 | ||||||||
log(H/He) | |||||||||||||
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] | 21.63 (0.1) | 21.74 (0.2) | 21.93 (0.3) | 21.74 (0.2) | 21.63 | 21.64 (0.1) | 21.74 (0.2) | |||||
Distance | [pc] | 46.22 (0.3) | 46.00 (0.4) | 45.60 (0.6) | 45.99 (0.4) | 46.22 | 46.22 (0.3) | 45.99 (0.4) | |||||
Composition | He | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 328.713129 (0.1) | 328.7078593 (0.4) | 328.713 (0.1) | 328.7078593 | ||||||||
Proper motion (declination) | [mas/yr] | -89.88823243 (0.1) | -89.81144123 (0.3) | -89.888 (0.1) | -89.81144123 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | yes | ||||||||||||
B magnitude | 18.10 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 17.60 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.94 (0.02) | 16.70 (0.1) | |||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | |||||||||||||
g magnitude | |||||||||||||
r magnitude | |||||||||||||
i magnitude | |||||||||||||
z magnitude | |||||||||||||
G magnitude | 18.05 (0.02) | 18.07 | 18.05 | 18.05 (0.003) | 18.07 | ||||||||
BP magnitude | 18.46 (0.02) | 18.49 | 18.49 | ||||||||||
RP magnitude | 17.47 (0.01) | 17.49 | 17.49 | ||||||||||
Pan g magnitude | 18.52 (0.009) | 18.52 (0.009) | |||||||||||
Pan r magnitude | 18.02 (0.007) | 18.02 (0.007) | |||||||||||
Pan i magnitude | 17.82 (0.005) | 17.82 (0.005) | |||||||||||
Pan z magnitude | 17.75 (0.004) | 17.75 (0.006) | |||||||||||
Pan y magnitude | 17.74 (0.02) | 17.74 (0.02) | |||||||||||
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.