SDSS J154728.82+290206.8

All names: Gaia EDR3 1224684326450164736, Gaia DR2 1224684326450164736, Gaia DR3 1224684326450164736, GALEX J154728.8+290206, SDSS J154728.82+290206.7, WD 1545+291, SDSS J154728.82+290206.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 47 28.82 (0.1) 15 47 28.83 15 47 28.82 (0.2) 15 47 28.82 (0.1) 15 47 28.83 15 47 28.70 15 47 28.82
Declination 29 02 06.74 (0.2) 29 02 06.81 29 02 06.75 (0.3) 29 02 06.80 (0.2) 29 02 06.84 29 02 00.60 29 02 06.84
Spectral type DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 34645.0 (433) 21731.0 34410.0 (900) 35368.0 (596) 34193.0 (603)
log(g) [cgs] 7.95 (0.08) 7.37 7.53 (0.2) 7.87 (0.1) 7.82 (0.1)
Mass [M] 0.63 (0.04) 0.361 0.46 (0.06) 0.57 (0.05)
log(Luminosity) [L] -0.60 (0.05)
Cooling age [Gyr] 0.0056 (0.0003) 0.0207 0.0065
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] 1.09 (0.2) 1.26 (0.3) 1.09 (0.2)
Distance [pc] 915.39 (187) 793.92 (200) 915.42 (187)
Composition H H H
Proper motion (right ascension) [mas/yr] -3.77351591 (0.2) -3.780632185 (0.4) -3.774 (0.2) 0.1
Proper motion (declination) [mas/yr] -3.518436926 (0.3) -4.573382219 (0.6) -3.518 (0.3) -6.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.62 (0.02) 18.62 (0.02) 18.64 (0.02) 18.63 18.61 (0.02)
g magnitude 18.93 (0.009) 18.93 (0.009) 18.95 (0.02) 18.94 18.95 (0.02)
r magnitude 19.37 (0.01) 19.36 (0.01) 19.36 (0.02) 19.36 19.36 (0.02)
i magnitude 19.71 (0.02) 19.71 (0.02) 19.70 (0.02) 19.70 19.71 (0.02)
z magnitude 20.01 (0.09) 20.01 (0.09) 19.96 (0.08) 19.96 19.97 (0.08)
G magnitude 19.16 (0.02) 19.20 19.16 (0.003)
BP magnitude 19.05 (0.02) 18.98
RP magnitude 19.43 (0.04) 19.38
Pan g magnitude 18.99 (0.008)
Pan r magnitude 19.39 (0.01)
Pan i magnitude 19.72 (0.01)
Pan z magnitude 19.96 (0.01)
Pan y magnitude 20.24 (0.2)
E(B-V) 0.029

* 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.