All names: Gaia DR2 1789361097242243584, GALEX J210202.6+191256, WD 2059+19, LSPM J2102+1912, J2102+1912, WD 2059+190, G144-51, UBV M 53806, GEN# +9.80144051, USNO 192, USNO-B1.0 1092-00551469, EGGR 377, PLX 5048.01, 2MASS J21020266+1912574, PSO J315.5105+19.2147, UCAC2 38709929, G 144-51, Gaia EDR3 1789361097242243584, WDJ210202.67+191257.67, Gaia DR3 1789361097242243584, TIC 258593322, G 145-4, PM J21020+1912, 21020+1912, NLTT 50382
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Koester et al. 2009 | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 21 02 02.53 (0.04) | 21 02 02.53 (0.06) | 21 02 02.53 (0.06) | 21 02 02.53 | 21 02 02.67 (0.04) | 21 02 02.53 | 21 02 03.46 | ||||||||||||
Declination | 19 12 52.80 (0.03) | 19 12 52.96 (0.04) | 19 12 52.96 (0.04) | 19 12 52.80 | 19 12 57.68 (0.03) | 19 12 52.96 | 19 13 03.36 | ||||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA7.2 | DA8 | ||||||||
Effective temperature | [K] | 6666.0 (52) | 6720.0 (18) | 6621.7 (47) | 6650.0 (45) | 6641.0 | 6920.0 (108) | 6980.0 (111) | 6215.0 (12) | 6840.0 (160) | 6900.0 (160) | 6708.0 (30) | |||||||
log(g) | [cgs] | 8.03 (0.02) | 8.06 (0.005) | 8.02 (0.02) | 8.04 (0.02) | 8.03 | 8.45 (0.1) | 8.44 (0.1) | 6.97 (0.03) | 7.86 (0.3) | 7.89 (0.3) | 8.05 (0.008) | |||||||
Mass | [M☉] | 0.608 (0.01) | 0.625 (0.005) | 0.615 (0.01) | 0.606 | 0.88 (0.06) | 0.87 (0.07) | 0.51 (0.1) | 0.53 (0.1) | 0.621 (0.007) | |||||||||
log(Luminosity) | [L☉] | -3.75 | -3.42 (0.1) | -3.42 (0.1) | |||||||||||||||
Cooling age | [Gyr] | 1.9000 | 1.8500 (0.07) | 1.8110 | 1.3300 (0.5) | 1.4200 (0.5) | |||||||||||||
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] | 30.52 (0.05) | 30.52 (0.05) | 30.39 (0.07) | 30.39 (0.07) | 30.39 (0.07) | 30.39 (0.07) | 26.10 (4) | 26.10 (4) | 26.10 (4) | 30.52 | 30.52 (0.05) | 30.39 (0.07) | 25.00 (4) | |||||
Distance | [pc] | 32.77 (0.05) | 32.77 (0.05) | 32.91 (0.08) | 32.90 (0.07) | 32.90 (0.07) | 32.90 (0.07) | 38.30 (7) | 27.00 | 38.31 (6) | 38.31 (6) | 32.77 | 32.77 (0.05) | 32.90 (0.07) | 40.00 (6) | ||||
Composition | H | H | H | H | H | H | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -128.9132709 (0.04) | -128.8875261 (0.1) | -128.913 (0.04) | -128.8875261 | ||||||||||||||
Proper motion (declination) | [mas/yr] | -304.5184079 (0.04) | -304.2325051 (0.1) | -304.518 (0.04) | -304.2325051 | ||||||||||||||
Variability | NOV | ||||||||||||||||||
Magnetic | |||||||||||||||||||
Bd | [MG] | ||||||||||||||||||
Infrared excess (disk) | |||||||||||||||||||
Binarity | |||||||||||||||||||
B magnitude | 16.79 | 16.79 | 16.77 | ||||||||||||||||
V magnitude | 16.36 | 16.36 | 16.36 | ||||||||||||||||
R magnitude | 16.10 | 16.10 | 16.20 | ||||||||||||||||
I magnitude | 15.82 | 15.82 | |||||||||||||||||
J magnitude | 15.50 (0.008) | 15.64 (0.07) | 15.52 | 15.52 | 15.64 (0.07) | ||||||||||||||
H magnitude | 15.56 (0.1) | 15.56 (0.1) | 15.36 | 15.39 | 15.56 (0.1) | ||||||||||||||
K magnitude | 15.40 (0.2) | 15.40 (0.2) | 15.34 | 15.36 | 15.40 (0.2) | ||||||||||||||
u magnitude | |||||||||||||||||||
g magnitude | 16.47 (0.003) | ||||||||||||||||||
r magnitude | 16.27 (0.002) | ||||||||||||||||||
i magnitude | 16.21 (0.002) | ||||||||||||||||||
z magnitude | 16.22 (0.003) | ||||||||||||||||||
G magnitude | 16.23 (0.003) | 16.25 | 16.25 | 16.23 | 16.23 (0.003) | 16.25 | |||||||||||||
BP magnitude | 16.45 (0.003) | 16.45 | 16.45 | ||||||||||||||||
RP magnitude | 15.86 (0.003) | 15.86 | 15.86 | ||||||||||||||||
Pan g magnitude | 16.47 (0.002) | 16.47 (0.002) | 16.47 (0.002) | ||||||||||||||||
Pan r magnitude | 16.27 (0.002) | 16.27 (0.002) | 16.27 (0.002) | ||||||||||||||||
Pan i magnitude | 16.21 (0.002) | 16.21 (0.002) | 16.21 (0.002) | ||||||||||||||||
Pan z magnitude | 16.22 (0.003) | 16.22 (0.003) | 16.22 (0.003) | ||||||||||||||||
Pan y magnitude | 16.25 (0.005) | 16.25 (0.005) | 16.25 (0.005) | ||||||||||||||||
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.