All names: GD 79, J0654+3938, USNO-B1.0 1296-00182829, TIC 321029992, LSPM J0654+3938, Gaia DR3 950361883331847424, SDSS J065419.57+393812.0, NLTT 17129, GALEX J065419.5+393812, Gaia DR2 950361883331847424, GEN# +6.10060079, SDSS J065419.56+393811.9, Gaia EDR3 950361883331847424, LP 205-51, 0650+397, 2MASS J06541955+3938131, WDJ065419.56+393813.26
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Leggett et al. 2018 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 06 54 19.58 (0.04) | 06 54 19.58 | 06 54 19.58 | 06 54 19.56 (0.04) | 06 54 19.58 | |||||||||
Declination | 39 38 10.19 (0.04) | 39 38 10.28 | 39 38 10.19 | 39 38 13.26 (0.04) | 39 38 10.28 | |||||||||
Spectral type | DZ | DZ | DZ | D:4.8 | DZ | DZ | ||||||||
Effective temperature | [K] | 9728.0 (78) | 9673.0 (46) | 9435.0 (68) | 10574.0 (447) | 10360.0 | 10409.0 | 9467.0 (90) | ||||||
log(g) | [cgs] | 8.05 (0.01) | 8.02 (0.007) | 7.96 (0.01) | 8.25 (0.05) | 8.26 | 8.21 | 7.94 (0.01) | ||||||
Mass | [M☉] | 0.611 (0.009) | 0.589 (0.006) | 0.556 (0.008) | 0.739 (0.04) | 0.766 | 0.709 | 0.544 (0.01) | ||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.7300 | 0.7830 (0.1) | 0.8172 | 0.7621 | |||||||||
log(H/He) | -5.0 | -3.0 | <-4 | |||||||||||
log(C/He) | ||||||||||||||
log(Ca/He) | -9.69 | -8.88 | -9.58 | |||||||||||
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] | 20.03 (0.05) | 20.18 (0.07) | 20.48 (0.3) | 20.18 (0.07) | 20.03 | 20.03 (0.05) | 20.18 (0.07) | ||||||
Distance | [pc] | 49.93 (0.1) | 49.55 (0.2) | 48.83 (0.7) | 49.55 (0.2) | 49.93 | 49.93 (0.1) | 49.55 (0.2) | ||||||
Composition | He | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 14.06903247 (0.06) | 13.80527265 (0.1) | 14.069 (0.06) | 13.80527265 | |||||||||
Proper motion (declination) | [mas/yr] | -192.1114893 (0.04) | -192.1670872 (0.1) | -192.111 (0.04) | -192.1670872 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | 16.05 | |||||||||||||
V magnitude | ||||||||||||||
R magnitude | 16.00 | |||||||||||||
I magnitude | ||||||||||||||
J magnitude | 15.97 (0.01) | 15.92 (0.07) | ||||||||||||
H magnitude | 15.88 (0.2) | 15.91 (0.2) | ||||||||||||
K magnitude | 16.00 (0.2) | 16.00 (0.2) | ||||||||||||
u magnitude | 16.03 (0.006) | 16.05 (0.006) | 16.05 (0.006) | |||||||||||
g magnitude | 15.90 (0.004) | 15.90 (0.004) | ||||||||||||
r magnitude | 16.00 (0.005) | 16.00 (0.005) | ||||||||||||
i magnitude | 16.16 (0.005) | 16.16 (0.005) | ||||||||||||
z magnitude | 16.34 (0.008) | 16.34 (0.008) | ||||||||||||
G magnitude | 15.92 (0.003) | 15.94 | 15.92 | 15.92 (0.003) | 15.94 | |||||||||
BP magnitude | 15.94 (0.003) | 15.91 | 15.91 | |||||||||||
RP magnitude | 15.86 (0.005) | 15.86 | 15.86 | |||||||||||
Pan g magnitude | 15.92 (0.004) | 15.92 (0.004) | ||||||||||||
Pan r magnitude | 16.02 (0.003) | 16.02 (0.004) | ||||||||||||
Pan i magnitude | 16.19 (0.004) | 16.19 (0.005) | ||||||||||||
Pan z magnitude | 16.34 (0.006) | 16.34 (0.007) | ||||||||||||
Pan y magnitude | 16.47 (0.005) | 16.47 (0.004) | ||||||||||||
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.