WD 1535+293

All names: USNO-B1.0 1191-00235713, SDSS J153749.65+290936.5, WD 1535+293, Gaia DR2 1272905612205451904, SDSS J153749.65+290936.58, 2MASS J15374964+2909360, TIC 445879791, SDSS J153749.64+290936.3, Gaia DR3 1272905612205451904, PG 1535+293, LAMOST J153749.60+290936.9, Ton 797, WDJ153749.65+290936.31, LAMOST J153749.65+290936.5, TON 797, Gaia EDR3 1272905612205451904, GALEX J153749.5+290936

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 SDSS DR12 Kilic et al. 2026a MWDD H Gaia DR2 Stilism Kepler et al. 2015 Gianninas et al. 2011 Liebert et al. 2005 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 15 37 49.65 (0.02) 15 37 49.65 15 37 49.65 15 37 49.65 (0.03) 15 37 49.65 15 37 49.65 (0.02) 15 37 49.44
Declination 29 09 36.80 (0.03) 29 09 36.37 29 09 36.37 29 09 36.79 (0.05) 29 09 36.80 29 09 36.30 (0.03) 29 09 25.92
Spectral type DA DA DA DA DA DA2.0 DA3 DA
Effective temperature [K] 23971.0 (308) 22004.0 26518.0 (61) 25200.0 (383) 24470.0 (369) 24505.0 (266)
log(g) [cgs] 7.86 (0.01) 7.78 8.04 (0.01) 7.97 (0.05) 7.92 (0.05) 7.90 (0.01)
Mass [M] 0.561 (0.008) 0.513 0.6559999999999999 (0.005) 0.62 (0.03) 0.6 (0.02) 0.582 (0.009)
log(Luminosity) [L] -1.20
Cooling age [Gyr] 0.0280 0.0295
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/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(Cl/H)
log(K/H)
log(Sc/H)
log(Ti/H)
log(V/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Co/H)
log(Ni/H)
log(Cu/H)
log(Sr/H)
Parallax [mas] 6.78 (0.04) 6.76 (0.06) 6.78 6.78 (0.04)
Distance [pc] 147.39 (0.9) 147.84 (1) 143.00 146.00 147.39 147.39 (0.9)
Composition H H H
Proper motion (right ascension) [mas/yr] 2.993416846 (0.03) 2.886411267 (0.07) 2.993 (0.03)
Proper motion (declination) [mas/yr] 31.1736364 (0.05) 30.80173457 (0.1) 31.174 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.10
V magnitude 16.07 16.10
R magnitude
I magnitude
J magnitude 16.65 (0.01)
H magnitude 16.76 (0.03)
K magnitude 16.79 (0.06)
u magnitude 15.81 (0.005) 15.81 (0.005) 15.83 (0.02) 15.81 (0.005)
g magnitude 15.91 (0.004) 15.91 (0.004) 15.95 (0.02) 15.91 (0.004)
r magnitude 16.33 (0.004) 16.33 (0.004) 16.31 (0.02) 16.33 (0.004)
i magnitude 16.62 (0.005) 16.62 (0.005) 16.61 (0.01) 16.62 (0.005)
z magnitude 16.95 (0.01) 16.95 (0.01) 16.94 (0.03) 16.95 (0.01)
G magnitude 16.12 (0.002) 16.14 16.12 16.12 (0.003)
BP magnitude 16.02 (0.002) 15.96
RP magnitude 16.34 (0.003) 16.34
Pan g magnitude 15.95 (0.003)
Pan r magnitude 16.33 (0.003)
Pan i magnitude 16.66 (0.004)
Pan z magnitude 16.91 (0.004)
Pan y magnitude 17.12 (0.004)
E(B-V) 0.023

* 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.