WD 1457-086

All names: WD1457-086, USNO-B1.0 0811-00277600, Gaia DR3 6332172027974304512, EC 14572-0837, Gaia EDR3 6332172027974304512, PG 1457-086, WD 1457-086, Gaia DR2 6332172027974304512, TIC 192656405, 2MASS J14595296-0849293

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Farihi et al. 2010 Koester et al. 2009 Farihi et al. 2009 Jura et al. 2007 Koester et al. 2005 Liebert et al. 2005 Koester et al. 2001 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 59 53.00 (0.05) 14 59 53.00 (0.07) 14 59 53.00 14 59 53.00 14 59 52.99 (0.05) 14 59 52.97
Declination -08 49 30.30 (0.05) -08 49 30.28 (0.06) -08 49 30.00 -08 49 30.30 -08 49 29.65 (0.05) -08 49 23.16
Spectral type DA DA DAZB DA DA DA DA2.3 DA3
Effective temperature [K] 14806.0 22240.0 (364) 20000.0 21448.0 (54) 20400.0 20400.0 21450.0 (351) 21091.0 (96) 19515.0 (393)
log(g) [cgs] 7.52 7.99 (0.05) 7.92 (0.009) 8.00 7.97 (0.05) 7.95 (0.01) 7.88 (0.02)
Mass [M] 0.383 0.62 (0.03) 0.62 (0.03) 0.6 0.558 (0.01)
log(Luminosity) [L] -1.46
Cooling age [Gyr] 0.1060 0.0631
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) -6.3
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] 9.59 (0.06) 9.41 (0.08) 9.59 9.59 (0.06)
Distance [pc] 104.23 (0.6) 106.25 (0.9) 110.00 110.00 117.00 110.00 104.23 104.23 (0.6)
Composition H H H
Proper motion (right ascension) [mas/yr] 6.915903141 (0.07) 6.564426123 (0.1) 6.916 (0.07)
Proper motion (declination) [mas/yr] -40.74795454 (0.06) -40.67325402 (0.1) -40.748 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk) yes yes
Binarity
B magnitude 15.68
V magnitude 15.77 15.77 15.77 15.77
R magnitude 15.80
I magnitude
J magnitude 16.04 (0.1)
H magnitude 16.21 (0.2)
K magnitude 16.00 15.61 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.78 (0.003) 15.80 15.78 15.78 (0.003)
BP magnitude 15.70 (0.003) 15.68
RP magnitude 15.92 (0.005) 15.88
Pan g magnitude 15.64 (0.006)
Pan r magnitude 15.95 (0.004)
Pan i magnitude 16.24 (0.003)
Pan z magnitude 16.46 (0.003)
Pan y magnitude 16.58 (0.008)
E(B-V) 0.027

* 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.