SDSS J153829.30+530604.6

All names: Gaia DR2 1596911618527775872, SDSS J153829.29+530604.6, GALEX J153829.2+530604, SDSS J153829.30+530604.6, Gaia EDR3 1596911618527775872, Gaia DR3 1596911618527775872, SDSS J153829.30+530604.7, WD 1537+532

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 38 29.29 (0.2) 15 38 29.30 15 38 29.29 (0.3) 15 38 29.29 15 38 29.29 (0.2) 15 38 29.30 15 38 29.16 15 38 29.29
Declination 53 06 04.35 (0.2) 53 06 04.69 53 06 04.36 (0.3) 53 06 04.61 53 06 04.64 (0.2) 53 06 04.67 53 05 59.64 53 06 04.65
Spectral type DAH DA DA DAH DAH DAH DAP3.7 DAH DAH
Effective temperature [K] 13964.6 (451) 12486.0 13500.0 20314.0 (1253) 18116.0 (547)
log(g) [cgs] 8.33 (0.7) 8.29 8.00 (0) 9.00 (0.004) 10.00 (0.008)
Mass [M] 0.8177964422186326 (0.8) 0.786
log(Luminosity) [L]
Cooling age [Gyr] 0.5146
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] 3.39 (0.2) 3.47 (0.3) 3.39 (0.2)
Distance [pc] 294.87 (19) 288.10 (24) 294.87 (19)
Composition H H
Proper motion (right ascension) [mas/yr] -3.010863763 (0.3) -3.293673089 (0.6) -3.011 (0.3) -2.3
Proper motion (declination) [mas/yr] -17.96226869 (0.3) -18.45593026 (0.7) -17.962 (0.3) -15.0
Variability
Magnetic yes yes yes yes yes
Bd [MG] 10.96679477058006 13.99 (4) 13.99 (4)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.52 (0.03) 19.52 (0.03) 19.53 (0.04) 19.53 19.49 (0.04)
g magnitude 19.25 (0.01) 19.25 (0.01) 19.28 (0.02) 19.29 19.26 (0.02)
r magnitude 19.44 (0.02) 19.44 (0.02) 19.48 (0.02) 19.49 19.47 (0.02)
i magnitude 19.61 (0.03) 19.61 (0.03) 19.65 (0.03) 19.67 19.65 (0.03)
z magnitude 20.01 (0.1) 20.01 (0.1) 20.04 (0.1) 20.03 20.03 (0.1)
G magnitude 19.36 (0.05) 19.41 19.36 (0.004)
BP magnitude 19.49 (0.05) 19.27
RP magnitude 19.46 (0.1) 19.56
Pan g magnitude 19.26 (0.02)
Pan r magnitude 19.45 (0.02)
Pan i magnitude 19.69 (0.009)
Pan z magnitude 19.93 (0.02)
Pan y magnitude 19.86 (0.05)
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.