SDSS J091927.44+085133.2

All names: WIRED J091927.44+085133.2, WD 0916+090, Gaia EDR3 587575646629361920, SDSS J091927.45+085133.2, Gaia DR2 587575646629361920, [HHD2009] SDSS J0919+0851, Gaia DR3 587575646629361920, GALEX J091927.4+085133, SDSS J091927.44+085133.2, SDSS J091927.45+085133.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 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 19 27.44 (0.3) 09 19 27.45 09 19 27.44 (0.4) 09 19 27.44 09 19 27.45 (0.3) 09 19 27.45 09 19 27.58 09 19 27.45
Declination 08 51 33.22 (0.2) 08 51 33.27 08 51 33.22 (0.4) 08 51 33.19 08 51 33.22 (0.2) 08 51 33.26 08 51 29.52 08 51 33.27
Spectral type DA+M DA+M DA DA+M DA+M DA dM DA+M
Effective temperature [K] 30182.0 (367) 31128.0 (572) 31480.0 (560) 8399.0 (50) 8192.0 (76)
log(g) [cgs] 8.02 (0.1) 7.91 (0.1) 7.98 (0.1) 8.99 (0.02) 8.72 (0.08)
Mass [M] 0.66 (0.05) 0.6 (0.07) 0.64 (0.07)
log(Luminosity) [L] -0.89 (0.07)
Cooling age [Gyr] 0.0091 (0.0006) 0.0098
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] 0.93 (0.3) 1.01 (0.4) 0.93 (0.3)
Distance [pc] 1079.02 (355) 990.31 (371) 1077.00 (128) 1078.98 (354)
Composition H H
Proper motion (right ascension) [mas/yr] -1.489285708 (0.3) -2.289548132 (0.8) -1.489 (0.3) -17.9
Proper motion (declination) [mas/yr] 0.012739974 (0.3) -0.597623937 (0.7) 0.013 (0.3) -3.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.85 (0.01)
H magnitude 16.29 (0.02)
K magnitude 16.05 (0.02)
u magnitude 18.76 (0.02) 18.80 18.77 (0.02) 18.80 (0.02) 18.80 18.81 (0.02)
g magnitude 18.91 (0.009) 18.92 18.91 (0.009) 18.92 (0.02) 18.92 18.93 (0.02)
r magnitude 19.06 (0.01) 19.05 19.05 (0.01) 19.05 (0.02) 19.05 19.06 (0.02)
i magnitude 18.65 (0.01) 18.68 18.64 (0.01) 18.68 (0.02) 18.68 18.69 (0.02)
z magnitude 18.15 (0.02) 18.14 18.13 (0.02) 18.14 (0.03) 18.15 18.16 (0.03)
G magnitude 18.81 (0.03) 18.81 18.81 (0.005)
BP magnitude 19.00 (0.03) 18.96
RP magnitude 18.21 (0.03) 18.09
Pan g magnitude 18.93 (0.007)
Pan r magnitude 19.10 (0.007)
Pan i magnitude 18.64 (0.007)
Pan z magnitude 18.25 (0.007)
Pan y magnitude 17.96 (0.02)
E(B-V) 0.028

* 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.