2MASS J09572384+0207349

All names: WD 0954+023, WIRED J095723.83+020734.4, TIC 262734871, SDSS J095723.82+020734.4, [HHD2009] SDSS J0957+0207, USNO-A2.0 0900-06554093, Gaia EDR3 3834792718811278976, Gaia DR2 3834792718811278976, SDSS J095723.83+020734.4, WISEA J095723.86+020735.0, WISE J095723.87+020735.0, SDSS J095723.83+020734.5, 2MASS J09572384+0207349

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Tremblay et al. 2011 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 09 57 23.80 (0.3) 09 57 23.83 09 57 23.80 (0.6) 09 57 23.83 09 57 23.83 09 57 23.83 09 57 23.09 09 57 23.83
Declination 02 07 34.44 (0.3) 02 07 34.43 02 07 34.44 (0.6) 02 07 34.39 02 07 34.43 02 07 34.43 02 07 28.56 02 07 34.46
Spectral type DA+M DA+M DA DA+M DA+M DA+ME DA+M
Effective temperature [K] 9249.0 11978.0 (498) 11860.0 (500) 9468.0 (73) 9323.0 (72)
log(g) [cgs] 7.97 8.08 (0.2) 8.63 (0.1) 7.65 (0.1) 7.31 (0.1)
Mass [M] 0.58 0.66 (0.1) 1.0 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.7078 1.3183
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] 3.28 (0.4) 4.62 (0.6)
Distance [pc] 305.12 (36) 216.24 (26) 472.00 (23)
Composition H H
Proper motion (right ascension) [mas/yr] -17.54380044 (0.4) -15.97566041 (0.8) -18.3
Proper motion (declination) [mas/yr] 6.366699444 (0.4) 4.186184507 (1) 3.6
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS yes WDMS
B magnitude 18.70 (0.3)
V magnitude
R magnitude 19.00 (0.3)
I magnitude
J magnitude 16.79 (0.2)
H magnitude 15.56 (0.1)
K magnitude 15.43 (0.2)
u magnitude 19.46 (0.03) 19.49 19.46 (0.03) 19.49 (0.03) 19.52 19.49 (0.03)
g magnitude 18.97 (0.01) 19.10 18.97 (0.01) 19.10 (0.03) 19.11 19.10 (0.03)
r magnitude 18.93 (0.01) 19.14 18.93 (0.01) 19.14 (0.02) 19.13 19.13 (0.02)
i magnitude 18.40 (0.01) 18.64 18.40 (0.01) 18.64 (0.02) 18.64 18.64 (0.02)
z magnitude 17.73 (0.02) 17.91 17.73 (0.02) 17.91 (0.03) 17.92 17.92 (0.03)
G magnitude 19.16 (0.04) 19.20
BP magnitude 19.03 (0.04) 19.10
RP magnitude 18.10 (0.04) 18.11
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.024

* 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.