WD 1517+585

All names: SDSS J151817.22+581923.4, SDSS J151817.26+581923.1, WD 1517+585, SDSS J151817.25+581923.2, Gaia DR2 1614606815067783040, SDSS J151817.25+581923.1, Gaia DR3 1614606815067783040, GALEX J151817.2+581922, SDSS J151817.26+581923.2, Gaia EDR3 1614606815067783040, SDSS J151817.23+581923.2, SBSS 1517+585

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Vincent et al. 2024 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 15 18 17.21 (0.07) 15 18 17.24 15 18 17.21 (0.1) 15 18 17.21 15 18 17.26 (0.07) 15 18 17.26 15 18 16.25 15 18 17.26 15 18 17.26
Declination 58 19 23.35 (0.08) 58 19 23.26 58 19 23.34 (0.1) 58 19 23.35 58 19 23.18 (0.08) 58 19 23.23 58 19 20.28 58 19 23.19 58 19 23.20
Spectral type DA DA DA DA3 DA DA2.4 DA DA
Effective temperature [K] 19073.0 22280.0 (310) 22970.0 (869) 21248.0 (197) 21603.0 (204) 21230.0 (197)
log(g) [cgs] 7.87 7.87 (0.04) 8.08 (0.04) 7.88 (0.03) 7.89 (0.03) 7.91 (0.03)
Mass [M] 0.552 0.56 (0.02) 0.674 (0.03) 0.572 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.0613 0.0324
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] 3.86 (0.08) 3.84 (0.1) 3.86 3.86 (0.08)
Distance [pc] 258.84 (6) 260.66 (8) 258.84 258.84 (6)
Composition H H
Proper motion (right ascension) [mas/yr] -24.82586019 (0.09) -24.58641586 (0.2) -24.826 (0.09) -21.3 -25.0
Proper motion (declination) [mas/yr] 10.20031955 (0.1) 10.50036219 (0.2) 10.2 (0.1) 11.3 11.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.63 (0.01) 17.62 (0.01) 17.61 (0.02) 17.63 17.61 (0.02) 17.63 (0.02)
g magnitude 17.55 (0.005) 17.55 (0.005) 17.60 (0.01) 17.60 17.59 (0.01) 17.60 (0.01)
r magnitude 17.95 (0.006) 17.95 (0.006) 17.98 (0.01) 17.98 17.97 (0.02) 17.98 (0.01)
i magnitude 18.24 (0.009) 18.24 (0.009) 18.27 (0.01) 18.27 18.26 (0.02) 18.27 (0.02)
z magnitude 18.52 (0.03) 18.52 (0.03) 18.56 (0.04) 18.55 18.55 (0.04) 18.55 (0.04)
G magnitude 17.76 (0.009) 17.79 17.76 17.76 (0.003)
BP magnitude 17.67 (0.009) 17.64
RP magnitude 17.97 (0.02) 17.94
Pan g magnitude 17.60 (0.005)
Pan r magnitude 17.94 (0.005)
Pan i magnitude 18.27 (0.006)
Pan z magnitude 18.53 (0.02)
Pan y magnitude 18.68 (0.02)
E(B-V) 0.019

* 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.