EGGR 561

All names: TIC 213005240, SDSS J004022.88-002130.0, WDJ004022.88-002130.07, WD 0037-00, USNO-B1.0 0896-00007362, Gaia DR2 2542961560852591744, GALEX J004022.8-002128, PB 6089, Gaia EDR3 2542961560852591744, SDSS J004022.87-002130.0, SDSS J004022.88-002130.1, uvby98 680003748, FBS 0037-006, [MMN2004c] WD J0040-0021, WIRED J004022.88-002130.0, EGGR 561, WD 0037-006, PG 0037-006, 2MASS J00402288-0021299, Gaia DR3 2542961560852591744

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Gianninas et al. 2011 Tremblay et al. 2011 Koester et al. 2009 Mukadam et al. 2004 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 00 40 22.91 (0.02) 00 40 22.88 00 40 22.91 (0.04) 00 40 22.91 00 40 22.88 (0.02) 00 40 22.91 00 40 22.88 00 40 20.66 00 40 22.88 00 40 22.87
Declination -00 21 30.17 (0.01) -00 21 30.10 -00 21 30.17 (0.04) -00 21 30.17 -00 21 30.06 (0.01) -00 21 30.17 -00 21 30.08 -00 21 08.28 -00 21 30.08 -00 21 30.06
Spectral type DA DA DA: DA3.2 DA DA5 DA DAH
Effective temperature [K] 10331.0 11025.0 15690.0 (260) 16940.0 (90) 16403.0 (19) 16160.0 (60) 11381.0 (47) 16159.0 (62) 15324.0 (163) 16133.0 (57)
log(g) [cgs] 7.37 7.38 7.98 (0.05) 7.96 (0.02) 7.74 (0.004) 7.88 (0.01) 7.50 (0.005) 7.88 (0.01) 7.66 (0.04) 7.90 (0.01)
Mass [M] 0.311 0.298 0.6 (0.03) 0.59 (0.01) 0.362 (0.002) 0.469 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.2950 0.2590 0.1259
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] 18.24 (0.03) 18.31 (0.05) 18.24 18.24 (0.03) 18.31 (0.05)
Distance [pc] 54.83 (0.08) 54.61 (0.1) 51.00 54.83 54.83 (0.08) 54.61 (0.1)
Composition H H
Proper motion (right ascension) [mas/yr] 20.19605718 (0.04) 20.18994453 (0.09) 20.196 (0.04) 20.18994453 5.9 4.0
Proper motion (declination) [mas/yr] -6.678982946 (0.03) -6.547019311 (0.06) -6.679 (0.04) -6.547019311 -2.4 -5.0
Variability NOV NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.29
V magnitude 14.85 15.10
R magnitude
I magnitude
J magnitude 14.90 (0.04)
H magnitude 14.77 (0.006)
K magnitude 14.81 (0.01)
u magnitude 15.22 (0.005) 15.22 (0.005) 15.21 (0.005) 15.22 (0.03) 15.22 15.21 (0.02) 15.22 (0.01)
g magnitude 14.78 (0.004) 14.83 14.78 (0.004) 14.77 (0.004) 14.77 (0.06) 14.83 14.75 (0.06) 14.83 (0.04)
r magnitude 14.95 (0.005) 14.95 (0.005) 14.93 (0.003) 14.95 (0.02) 14.96 14.95 (0.02) 14.96 (0.02)
i magnitude 15.11 (0.005) 15.11 (0.005) 15.12 (0.005) 15.12 (0.02) 15.13 15.11 (0.02) 15.13 (0.02)
z magnitude 15.33 (0.006) 15.33 (0.006) 15.30 (0.006) 15.29 (0.02) 15.29 15.27 (0.02) 15.29 (0.03)
G magnitude 14.85 (0.001) 14.87 14.85 14.85 (0.003) 14.87
BP magnitude 14.87 (0.001) 14.86 14.86
RP magnitude 14.82 (0.001) 14.83 14.83
Pan g magnitude 14.82 (0.005)
Pan r magnitude 14.96 (0.004)
Pan i magnitude 15.15 (0.003)
Pan z magnitude 15.32 (0.002)
Pan y magnitude 15.43 (0.004)
E(B-V) 0.002

* 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.