EGGR 519

All names: LSPM J0145+3132, USNO 299, SDSS J014511.46+313242.1, GALEX J014511.3+313243, G 72-31, Gaia DR2 303637562009656704, WISEA J014511.48+313242.0, Gaia EDR3 303637562009656704, G 133-36, EGGR 519, SDSS J014511.47+313242.1, Gaia DR3 303637562009656704, G72-31, LAMOST J014511.46+313242.1, WD 0142+312, J0145+3132, WDJ014511.23+313243.56, USNO-B1.0 1215-00023439, TIC 85294758, PM J01451+3132, GEN# +9.80072031, NLTT 5810, WD 0142+31, LAMOST J014511.47+313242.0, 2MASS J01451118+3132438, 01451+3132, PLX 365.02

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 Kilic et al. 2020 McCleery et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Stilism Guo et al. 2015 Limoges et al. 2015 Gianninas et al. 2011 Zuckerman et al. 2003 Bergeron et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 45 11.62 (0.1) 01 45 11.61 (0.07) 01 45 11.61 (0.07) 01 45 11.62 01 45 11.23 (0.1) 01 45 11.61 01 45 10.61
Declination 31 32 41.21 (0.1) 31 32 41.29 (0.07) 31 32 41.29 (0.07) 31 32 41.21 31 32 43.57 (0.1) 31 32 41.29 31 32 55.32
Spectral type DA DA DA DA DA DA DA DA DA DA DA DA DA DA5.3 DA6
Effective temperature [K] 8848.0 (34) 8965.0 (74) 8799.0 (27) 8847.0 (34) 8919.2 (46) 8793.0 9223.0 (134) 26000.0 (486) 9270.0 (133) 9480.0 (137) 8660.0 8660.0 (210) 8953.0 (42)
log(g) [cgs] 7.52 (0.009) 7.59 (0.03) 7.54 (0.006) 7.55 (0.007) 7.61 (0.02) 7.54 8.13 (0.05) 7.39 (0.07) 8.12 (0.05) 8.38 (0.06) 7.51 7.51 (0.2) 7.55 (0.01)
Mass [M☉] 0.359 (0.005) 0.409 (0.009) 0.365 (0.003) 0.371 (0.004) 0.366 0.39 (0.02) 0.67 (0.03) 0.84 (0.04) 0.35 (0.1) 0.37 (0.006)
log(Luminosity) [L☉] -3.03 -2.82 (0.1)
Cooling age [Gyr] 0.5100 0.5116 0.5200 (0.1)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) <-10.445
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] 27.31 (0.2) 27.31 (0.2) 27.85 (0.09) 27.85 (0.09) 27.85 (0.09) 28.20 (4) 28.20 (4) 27.31 27.31 (0.2) 27.85 (0.09) 28.20 (4)
Distance [pc] 36.62 (0.2) 36.62 (0.2) 35.91 (0.1) 35.91 (0.1) 35.91 (0.1) 34.80 (5) 35.50 (6) 23.00 35.46 (5) 36.62 36.62 (0.2) 35.91 (0.1) 35.46 (5)
Composition H H H H H H H
Proper motion (right ascension) [mas/yr] 308.6986421 (0.2) 312.2102797 (0.1) 308.699 (0.2) 312.2102797
Proper motion (declination) [mas/yr] -147.3667246 (0.2) -147.0074682 (0.2) -147.367 (0.2) -147.0074682
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity DDu
B magnitude 15.00 14.99
V magnitude 14.78
R magnitude 14.67 14.70
I magnitude 14.52
J magnitude 14.47 (0.004) 14.38 14.43 (0.03)
H magnitude 14.32 (0.05) 14.33 14.32 (0.05)
K magnitude 14.43 (0.07) 14.38 14.43 (0.07)
u magnitude 15.26 (0.005) 15.29 (0.005) 15.29 (0.005)
g magnitude 14.79 (0.003) 14.79 (0.003)
r magnitude 14.80 (0.003) 14.80 (0.003)
i magnitude 14.90 (0.004) 14.90 (0.004)
z magnitude 15.04 (0.005) 15.04 (0.005)
G magnitude 14.74 (0.002) 14.76 14.76 14.74 14.74 (0.003) 14.76
BP magnitude 14.83 (0.002) 14.83 14.83
RP magnitude 14.58 (0.001) 14.59 14.59
Pan g magnitude 14.81 (0.005) 14.81 (0.004)
Pan r magnitude 14.82 (0.004) 14.82 (0.004)
Pan i magnitude 14.91 (0.002) 14.91 (0.002)
Pan z magnitude 15.03 (0.002) 15.03 (0.002)
Pan y magnitude 15.12 (0.004) 15.12 (0.003)
E(B-V) 0.001

* Constant surface field

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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.