All names: WD 0655-390, Gaia DR3 5564171814627287296, L454-9, 2MASS J06570592-3909355, Gaia EDR3 5564171814627287296, GJ 2054, LTT 2692, DENIS J065705.9-390935, NLTT 17220, L 454-9, TIC 156948641, WDJ065705.91-390935.68, Gaia DR2 5564171814627287296, CNS5 1719, UCAC3 102-27472
Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Giammichele et al. 2012 | Subasavage et al. 2008 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 06 57 05.50 (0.02) | 06 57 05.51 (0.02) | 06 57 05.90 | 06 57 05.76 | 06 57 05.90 | 06 57 05.50 | 06 57 05.91 (0.02) | 06 57 05.51 | 06 57 06.00 | |||||
Declination | -39 09 38.08 (0.02) | -39 09 38.01 (0.02) | -39 09 03.07 | -39 09 32.40 | -39 09 35.70 | -39 09 38.08 | -39 09 35.68 (0.02) | -39 09 38.01 | -39 09 33.48 | |||||
Spectral type | DA | DA | DA | DA7.9 | DA | DA8.0 | DA | DA8.0 | DA8.0 | |||||
Effective temperature | [K] | 6370.0 (36) | 6310.0 (160) | 6312.0 (211) | 6311.0 | 6311.0 (211) | 6415.0 (162) | 6503.0 (16) | ||||||
log(g) | [cgs] | 8.08 (0.02) | 8.01 (0.04) | 7.68 (0.2) | (0) | 8.12 (0.004) | ||||||||
Mass | [M☉] | 0.638 (0.01) | 0.6 (0.04) | 0.58 (0) | 0.59 (0) | 0.666 (0.004) | ||||||||
log(Luminosity) | [L☉] | -3.64 (0.05) | -3.64 | |||||||||||
Cooling age | [Gyr] | 2.0100 (0.2) | 1.9400 | 1.9700 | ||||||||||
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] | 60.56 (0.02) | 60.56 (0.02) | 60.58 (0.02) | 58.79 (0.9) | 60.56 | 60.56 (0.02) | 60.58 (0.02) | 58.10 | |||||
Distance | [pc] | 16.51 (0.005) | 16.51 (0.005) | 16.51 (0.006) | 17.01 (0.3) | 17.28 (0.3) | 17.20 | 17.10 (0.7) | 17.20 | 16.51 | 16.51 (0.005) | 16.51 (0.006) | 17.21 | |
Composition | H | H | H | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -298.9990549 (0.02) | -299.076836 (0.04) | -298.999 (0.02) | -299.076836 | |||||||||
Proper motion (declination) | [mas/yr] | -150.1236046 (0.02) | -150.1570246 (0.04) | -150.124 (0.02) | -150.1570246 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | 15.60 | |||||||||||||
V magnitude | 15.11 | 16.22 | 15.11 | 15.20 | ||||||||||
R magnitude | 14.81 | 14.81 | 15.14 (0.2) | |||||||||||
I magnitude | 14.48 | 14.48 | 14.51 (0.04) | |||||||||||
J magnitude | 14.15 (0.03) | 14.15 | 14.15 (0.03) | 14.15 (0.03) | ||||||||||
H magnitude | 13.88 (0.04) | 13.88 | 13.88 (0.04) | 13.88 (0.04) | ||||||||||
K magnitude | 13.89 (0.07) | 13.89 | 13.89 (0.07) | 13.89 (0.07) | ||||||||||
u magnitude | ||||||||||||||
g magnitude | ||||||||||||||
r magnitude | ||||||||||||||
i magnitude | ||||||||||||||
z magnitude | ||||||||||||||
G magnitude | 14.98 (0.002) | 14.99 | 14.98 | 14.98 (0.003) | 14.99 | |||||||||
BP magnitude | 15.21 (0.002) | 15.22 | 15.22 | |||||||||||
RP magnitude | 14.56 (0.002) | 14.57 | 14.57 | |||||||||||
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.