SDSS J152541.34+401304.5

All names: Gaia DR2 1388995966875872896, Gaia EDR3 1388995966875872896, Gaia DR3 1388995966875872896, SDSS J152541.34+401304.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 25 41.29 (0.2) 15 25 41.34 15 25 41.30 (0.3) 15 25 41.29 15 25 41.35 (0.2) 15 25 41.34
Declination 40 13 04.25 (0.2) 40 13 04.57 40 13 04.26 (0.3) 40 13 04.25 40 13 04.63 (0.2) 40 13 04.52
Spectral type DC DC DC DC DC DC
Effective temperature [K] 7026.0 6789.0 6293.0 (327) 6301.0 (5)
log(g) [cgs] 8.38 8.29 8.19 (0.08) 10.00 (0.003)
Mass [M] 0.839 0.761 0.694 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 3.3020 3.1120
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 8.51 (0.2) 8.36 (0.3) 8.51 8.51 (0.2)
Distance [pc] 117.51 (3) 119.67 (4) 117.51 117.51 (3)
Composition
Proper motion (right ascension) [mas/yr] -43.19390756 (0.3) -42.47293629 (0.5) -43.194 (0.3)
Proper motion (declination) [mas/yr] -23.9237553 (0.3) -23.57321961 (0.8) -23.924 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.26 (0.05) 20.26 (0.05) 20.25 (0.05)
g magnitude 19.56 (0.01) 19.56 (0.01) 19.56 (0.03)
r magnitude 19.39 (0.01) 19.39 (0.01) 19.39 (0.02)
i magnitude 19.41 (0.02) 19.41 (0.02) 19.44 (0.03)
z magnitude 19.44 (0.07) 19.44 (0.07) 19.45 (0.07)
G magnitude 19.38 (0.04) 19.41 19.38 19.38 (0.004)
BP magnitude 19.63 (0.04) 19.61
RP magnitude 19.12 (0.03) 19.06
Pan g magnitude 19.57 (0.01)
Pan r magnitude 19.38 (0.01)
Pan i magnitude 19.39 (0.01)
Pan z magnitude 19.44 (0.02)
Pan y magnitude 19.40 (0.03)
E(B-V) 0.016

* 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.