2MASS J08164875+2623540

All names: Gaia DR3 682755145565474304, [HHD2009] SDSS J0816+2623, Gaia EDR3 682755145565474304, Gaia DR2 682755145565474304, SDSS J081648.72+262354.2, SDSS J081648.70+262354.2, SDSS J081648.72+262354.1, WD 0813+265, WIRED J081648.72+262354.2, GALEX J081648.6+262354, 2MASS J08164875+2623540, TIC 97415195

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 16 48.71 (0.1) 08 16 48.73 08 16 48.71 (0.2) 08 16 48.72 08 16 48.71 08 16 48.73 (0.1) 08 16 48.73 08 16 48.38 08 16 48.72
Declination 26 23 54.47 (0.09) 26 23 54.18 26 23 54.46 (0.1) 26 23 54.20 26 23 54.47 26 23 54.17 (0.09) 26 23 54.18 26 23 48.12 26 23 54.20
Spectral type DA+M DA+M DA DA DA+M DA+M: DA d DA+M DA+MS
Effective temperature [K] 9758.0 13745.0 (420) 14770.0 (280) 8583.0 (178) 11732.0 (153) 11677.0 (154)
log(g) [cgs] 6.82 7.44 (0.09) 7.70 (0.06) 6.42 (0.2) 7.69 (0.07) 7.72 (0.08)
Mass [M] 0.184 0.35 (0.03) 0.46 (0.02) 0.098 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.2570
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] 3.09 (0.2) 2.85 (0.2) 3.09 3.09 (0.2)
Distance [pc] 323.68 (19) 351.10 (30) 323.68 323.69 (19)
Composition H H
Proper motion (right ascension) [mas/yr] -15.52617447 (0.2) -15.82471194 (0.3) -15.526 (0.2) -16.8
Proper motion (declination) [mas/yr] 18.97146193 (0.1) 19.16317535 (0.2) 18.971 (0.1) 14.8
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.06 (0.01)
H magnitude 16.50 (0.06)
K magnitude 15.98 (0.09)
u magnitude 18.59 (0.02) 18.63 18.59 (0.02) 18.63 (0.02) 18.63 18.63 (0.02)
g magnitude 18.17 (0.006) 18.19 18.17 (0.006) 18.19 (0.01) 18.19 18.19 (0.01)
r magnitude 18.43 (0.009) 18.46 18.43 (0.009) 18.46 (0.02) 18.46 18.46 (0.02)
i magnitude 18.45 (0.01) 18.47 18.45 (0.01) 18.47 (0.02) 18.47 18.47 (0.02)
z magnitude 18.22 (0.03) 18.23 18.22 (0.03) 18.23 (0.03) 18.23 18.24 (0.03)
G magnitude 18.25 (0.01) 18.27 18.25 18.25 (0.003)
BP magnitude 18.29 (0.01) 18.27
RP magnitude 18.10 (0.03) 18.07
Pan g magnitude 18.21 (0.008)
Pan r magnitude 18.43 (0.004)
Pan i magnitude 18.47 (0.006)
Pan z magnitude 18.33 (0.01)
Pan y magnitude 18.14 (0.03)
E(B-V) 0.017

* 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.