CSO 572

All names: Gaia DR3 1278242882164814208, SDSS J151542.14+325752.01, Gaia EDR3 1278242882164814208, SDSS J151542.14+325752.0, Gaia DR2 1278242882164814208, GALEX J151542.2+325752, SDSS J151542.16+325751.8, CSO 572, USNO-B1.0 1229-00291294

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 15 15 42.12 (0.06) 15 15 42.16 15 15 42.12 (0.08) 15 15 42.12 15 15 42.17 (0.06)
Declination 32 57 52.11 (0.07) 32 57 51.85 32 57 52.10 (0.1) 32 57 52.11 32 57 51.71 (0.07)
Spectral type DH DH DH DB: DP CV
Effective temperature [K] 11345.0 11526.0 11852.0 (1000) 11924.0 (273)
log(g) [cgs] 8.60 8.56 9.00 (0.5) 8.63 (0.03)
Mass [M] 0.986 0.944 0.988 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.2280 1.0660
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 8.56 (0.1) 8.41 (0.1) 8.56 8.56 (0.1)
Distance [pc] 116.88 (1) 118.84 (2) 116.88 116.88 (1)
Composition
Proper motion (right ascension) [mas/yr] -41.36366175 (0.08) -41.32783662 (0.2) -41.364 (0.07)
Proper motion (declination) [mas/yr] 24.60059902 (0.09) 24.79955324 (0.2) 24.601 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.70
V magnitude
R magnitude 18.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.23 (0.01) 18.23 (0.01) 18.23 (0.01)
g magnitude 18.08 (0.006) 18.08 (0.01) 18.08 (0.006)
r magnitude 18.22 (0.007) 18.22 (0.01) 18.22 (0.007)
i magnitude 18.45 (0.009) 18.45 (0.01) 18.45 (0.009)
z magnitude 18.67 (0.03) 18.67 (0.03) 18.67 (0.03)
G magnitude 18.15 (0.008) 18.18 18.15 18.15 (0.003)
BP magnitude 18.14 (0.008) 18.12
RP magnitude 18.18 (0.02) 18.14
Pan g magnitude 18.08 (0.008)
Pan r magnitude 18.30 (0.02)
Pan i magnitude 18.48 (0.01)
Pan z magnitude 18.64 (0.02)
Pan y magnitude 18.72 (0.02)
E(B-V) 0.017

* 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.