WD 1146-290

All names: WDJ114904.52-292151.76, WISEA J114904.64-292150.8, WISE J114904.63-292150.8, NLTT 28644, Gaia DR2 3480776843983381632, LP 907-32, Ruiz 440-146, Gaia DR3 3480776843983381632, PSO J177.2697-29.3635, TIC 429166180, WT 1891, Gaia EDR3 3480776843983381632, ESO 440-146, USNO-B1.0 0606-00269414, WD 1146-290, J1149-2921, 2MASS J11490453-2921517

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Bergeron et al. 1997 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 49 04.76 (0.05) 11 49 04.76 (0.08) 11 49 04.76 11 49 04.52 (0.05) 11 49 04.76 11 49 04.78
Declination -29 21 48.67 (0.04) -29 21 48.76 (0.06) -29 21 48.67 -29 21 51.76 (0.04) -29 21 48.76 -29 21 52.92
Spectral type DA DA DA DA... DA DA9 DA9
Effective temperature [K] 5711.0 (43) 5821.0 (30) 5745.0 (50) 5764.0 5770.0 (140) 5782.0 (28)
log(g) [cgs] 8.34 (0.02) 8.39 (0.008) 8.36 (0.02) 8.37 8.00 (0) 8.37 (0.01)
Mass [M] 0.805 (0.02) 0.841 (0.008) 0.82 (0.01) 0.823 0.59 0.827 (0.009)
log(Luminosity) [L] -3.79
Cooling age [Gyr] 5.5900 5.2870 (0.2) 5.2520 2.6900
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] 32.26 (0.08) 32.26 (0.08) 32.23 (0.1) 32.23 (0.1) 32.23 (0.1) 32.26 32.26 (0.08) 32.23 (0.1)
Distance [pc] 31.00 (0.07) 31.00 (0.08) 31.03 (0.1) 31.03 (0.1) 31.03 (0.1) 31.00 31.00 (0.07) 31.03 (0.1)
Composition H H H H
Proper motion (right ascension) [mas/yr] 194.4259477 (0.08) 194.509636 (0.1) 194.426 (0.08) 194.509636
Proper motion (declination) [mas/yr] 193.3117902 (0.06) 193.232066 (0.08) 193.312 (0.06) 193.232066
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.90 17.60
V magnitude 17.30 17.30
R magnitude 16.93 17.10
I magnitude 16.51
J magnitude 16.16 (0.01) 16.04 (0.09) 16.17 16.04 (0.09)
H magnitude 15.74 (0.2) 15.74 (0.2) 15.89 15.74 (0.2)
K magnitude 15.91 (0.04) 15.71
u magnitude
g magnitude 17.56 (0.01)
r magnitude 17.17 (0.004)
i magnitude 17.03 (0.002)
z magnitude 17.00 (0.003)
G magnitude 17.18 (0.005) 17.20 17.18 17.18 (0.003) 17.20
BP magnitude 17.53 (0.005) 17.54 17.54
RP magnitude 16.68 (0.004) 16.69 16.69
Pan g magnitude 17.56 (0.01) 17.56 (0.01) 17.56 (0.01)
Pan r magnitude 17.17 (0.005) 17.17 (0.004) 17.17 (0.004)
Pan i magnitude 17.03 (0.002) 17.03 (0.002) 17.03 (0.002)
Pan z magnitude 17.00 (0.002) 17.00 (0.003) 17.00 (0.003)
Pan y magnitude 17.00 (0.01) 17.00 (0.01) 17.00 (0.01)
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.