SDSS J154951.05+082355.9

All names: SDSS J154951.06+082356.0, GALEX J154951.0+082356, Gaia DR3 4431168989653885568, Gaia EDR3 4431168989653885568, WD 1547+085, Gaia DR2 4431168989653885568, SDSS J154951.05+082355.9

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 Vincent et al. 2023
Right ascension 15 49 51.06 (0.6) 15 49 51.06 15 49 51.06 (0.8) 15 49 51.06 (0.6) 15 49 51.06 15 49 50.42 15 49 51.06
Declination 08 23 55.96 (0.6) 08 23 55.95 08 23 55.96 (0.7) 08 23 56.01 (0.6) 08 23 55.98 08 23 50.64 08 23 55.98
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 19249.0 14326.0 (847) 14600.0 (1087)
log(g) [cgs] 8.23 8.05 (0.3) 8.18 (0.3)
Mass [M☉] 0.762 0.712 (0.2)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.1334
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] 0.82 (0.8) 1.51 (1) 0.82 (0.8)
Distance [pc] 1222.44 (1165) 664.38 (502) 1222.49 (1165)
Composition H
Proper motion (right ascension) [mas/yr] -1.941117249 (0.8) -2.017924775 (2) -1.941 (0.8)
Proper motion (declination) [mas/yr] -3.185041551 (0.8) -5.952475877 (3) -3.185 (0.8)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.64 (0.05) 20.72 (0.08) 20.74 (0.08) 20.73 20.73 (0.08)
g magnitude 20.33 (0.02) 20.41 (0.03) 20.42 (0.03) 20.41 20.40 (0.03)
r magnitude 20.57 (0.03) 20.68 (0.04) 20.68 (0.04) 20.68 20.67 (0.03)
i magnitude 20.88 (0.05) 20.86 (0.06) 20.86 (0.06) 20.86 20.85 (0.05)
z magnitude 21.16 (0.2) 21.17 (0.3) 21.19 (0.3) 21.20 21.19 (0.3)
G magnitude 20.47 (0.07) 20.55 20.47 (0.007)
BP magnitude 20.38 (0.07) 20.37
RP magnitude 20.20 (0.1) 20.38
Pan g magnitude 20.33 (0.02)
Pan r magnitude 20.59 (0.02)
Pan i magnitude 20.81 (0.02)
Pan z magnitude 21.06 (0.04)
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.