All names: LSPM J1253+3437, NLTT 32204, Gaia DR3 1515869884914637824, SDSS J125312.54+343714.2, WD 1250+348, SDSS J125312.55+343714.3, WDJ125312.65+343713.54, GSC2U J125313.0+343712, GSC2 N12231033749, Gaia DR2 1515869884914637824, Gaia EDR3 1515869884914637824, J1253+3437, USNO-B1.0 1246-00201383, LP 267-306
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | 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 | 12 53 12.25 (0.2) | 12 53 12.26 (0.2) | 12 53 12.25 | 12 53 12.65 (0.2) | 12 53 12.26 | 12 53 11.33 | |||||||
Declination | 34 37 16.32 (0.2) | 34 37 16.23 (0.2) | 34 37 16.32 | 34 37 13.54 (0.2) | 34 37 16.23 | 34 37 07.68 | |||||||
Spectral type | DC | DC | DC | DC | DA: | DC | DA | ||||||
Effective temperature | [K] | 4767.0 (32) | 4824.0 (32) | 4785.0 | 4463.0 | 4918.0 (104) | |||||||
log(g) | [cgs] | 7.89 (0.02) | 7.95 (0.03) | 7.90 | 7.67 | 7.96 (0.05) | |||||||
Mass | [M☉] | 0.517 (0.02) | 0.547 (0.02) | 0.52 | 0.386 | 0.556 (0.05) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 6.0900 | 5.5370 | 4.0130 | |||||||||
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] | 17.07 (0.2) | 17.03 (0.3) | 17.03 (0.3) | 17.07 | 17.07 (0.2) | 17.03 (0.3) | ||||||
Distance | [pc] | 58.57 (0.8) | 58.72 (1) | 58.73 (1) | 58.57 | 58.57 (0.8) | 58.73 (1) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -308.2471368 (0.2) | -308.5512748 (0.4) | -308.247 (0.2) | -308.5512748 | ||||||||
Proper motion (declination) | [mas/yr] | 173.5621256 (0.3) | 173.5599595 (0.3) | 173.562 (0.3) | 173.5599595 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 19.20 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 18.50 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 17.45 (0.03) | ||||||||||||
H magnitude | 17.15 (0.06) | ||||||||||||
K magnitude | 17.17 (0.07) | ||||||||||||
u magnitude | 21.40 (0.1) | 21.40 (0.1) | 21.40 (0.1) | ||||||||||
g magnitude | 19.57 (0.01) | 19.57 (0.01) | |||||||||||
r magnitude | 18.75 (0.009) | 18.75 (0.009) | |||||||||||
i magnitude | 18.45 (0.01) | 18.45 (0.01) | |||||||||||
z magnitude | 18.33 (0.03) | 18.33 (0.03) | |||||||||||
G magnitude | 18.79 (0.05) | 18.82 | 18.79 | 18.79 (0.004) | 18.82 | ||||||||
BP magnitude | 19.32 (0.05) | 19.31 | 19.31 | ||||||||||
RP magnitude | 18.05 (0.03) | 18.10 | 18.10 | ||||||||||
Pan g magnitude | 19.46 (0.01) | 19.45 (0.01) | |||||||||||
Pan r magnitude | 18.75 (0.005) | 18.76 (0.007) | |||||||||||
Pan i magnitude | 18.46 (0.01) | 18.48 (0.02) | |||||||||||
Pan z magnitude | 18.39 (0.05) | 18.35 (0.008) | |||||||||||
Pan y magnitude | 18.29 (0.04) | 18.33 (0.03) | |||||||||||
E(B-V) | 0.002 |
* 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.