WD 0915+017

All names: SDSS J091802.91+013028.3, SDSS J091802.90+013028.2, GALEX J091802.9+013027, Gaia DR2 3844960207776674688, Gaia EDR3 3844960207776674688, WD 0915+017, Gaia DR3 3844960207776674688, SDSS J091802.91+013028.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 09 18 02.90 (0.6) 09 18 02.91 09 18 02.90 (0.7) 09 18 02.91 (0.6) 09 18 02.91 09 18 01.97 09 18 02.91 09 18 02.91
Declination 01 30 28.15 (0.4) 01 30 28.22 01 30 28.16 (0.6) 01 30 28.27 (0.4) 01 30 28.22 01 30 21.60 01 30 28.25 01 30 28.26
Spectral type DA DA DA DA3.6 DA DA
Effective temperature [K] 13184.0 13926.0 (573) 14421.0 (648) 13973.0 (569)
log(g) [cgs] 7.70 7.87 (0.1) 7.95 (0.1) 7.88 (0.1)
Mass [M] 0.452 0.584 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.1905
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] 0.53 (0.7) 1.65 (0.9) 0.53 (0.7)
Distance [pc] 1876.97 (2500) 606.30 (332) 1876.88 (2500)
Composition H
Proper motion (right ascension) [mas/yr] -10.53879402 (0.8) -11.92511724 (1) -10.539 (0.8) -7.0 -7.0
Proper motion (declination) [mas/yr] -7.228470218 (0.5) -5.056769632 (1) -7.228 (0.5) -17.6 -16.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.32 (0.05) 20.32 (0.05) 20.28 (0.07) 20.31 20.29 (0.07) 20.31 (0.07)
g magnitude 19.99 (0.02) 19.99 (0.02) 20.02 (0.03) 20.02 20.03 (0.03) 20.02 (0.02)
r magnitude 20.29 (0.02) 20.29 (0.02) 20.27 (0.03) 20.27 20.27 (0.03) 20.27 (0.03)
i magnitude 20.52 (0.04) 20.52 (0.04) 20.56 (0.05) 20.57 20.56 (0.05) 20.57 (0.05)
z magnitude 20.61 (0.1) 20.61 (0.1) 20.69 (0.2) 20.67 20.70 (0.2) 20.67 (0.2)
G magnitude 20.13 (0.07) 20.20 20.13 (0.007)
BP magnitude 20.14 (0.07) 20.16
RP magnitude 20.06 (0.1) 20.46
Pan g magnitude 20.02 (0.01)
Pan r magnitude 20.23 (0.02)
Pan i magnitude 20.52 (0.03)
Pan z magnitude 20.72 (0.05)
Pan y magnitude
E(B-V) 0.035

* 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.