SDSS J115224.51+160546.7

All names: Gaia EDR3 3924586672356908160, Gaia DR2 3924586672356908160, Gaia DR3 3924586672356908160, SDSS J115224.51+160546.7, WD 1149+163, SDSS J115224.52+160546.77, SDSS J115224.52+160546.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 SDSS DR10 Gaia DR2 Hollands et al. 2017 Stilism Ferrario et al. 2015 Hollands et al. 2015 Kepler et al. 2015 Koester et al. 2011 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 11 52 24.55 (0.6) 11 52 24.52 11 52 24.52 11 52 24.55 (1) 11 52 24.50 (0.6) 11 52 24.50
Declination 16 05 46.39 (0.4) 16 05 46.75 16 05 46.75 16 05 46.40 (0.7) 16 05 46.81 (0.4) 16 05 42.72
Spectral type DZ DZ DZ DZ DZ DZP DZ DZ
Effective temperature [K] 6550.0 (160) 6500.0 6500.0 6270.0 (450) 6600.0
log(g) [cgs] 8.00 (0) 8.00 (0)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr] 2.4000
log(H/He)
log(C/He)
log(Ca/He) -8.4 -8.781 (0.06) -8.5
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He) -8.28
log(Mg/He) -7.19 -7.3
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He) -7.19 -7.4
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 4.82 (0.6) 4.95 (1) 4.82 (0.6)
Distance [pc] 207.49 (26) 202.20 (49) 188.00 (26) 207.49 (26)
Composition He He He
Proper motion (right ascension) [mas/yr] 45.06677863 (1) 44.9166858 (3) 45.067 (1)
Proper motion (declination) [mas/yr] -26.0884849 (0.5) -25.64323778 (1) -26.088 (0.5)
Variability
Magnetic yes yes yes
Bd [MG] 2.72 (0.04) 2.72 * (0.04) 2.72 (0.04)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.68 (0.1) 21.68 (0.1) 21.73 (0.1) 21.73 (0.1) 21.68 (0.1) 21.73 (0.1) 21.68 (0.1) 21.72
g magnitude 20.17 (0.02) 20.17 (0.02) 20.18 (0.03) 20.18 (0.03) 20.17 (0.02) 20.17 (0.03) 20.17 (0.02) 20.16
r magnitude 19.98 (0.02) 19.98 (0.02) 19.95 (0.02) 19.95 (0.02) 19.98 (0.02) 19.95 (0.02) 19.98 (0.02) 19.94
i magnitude 20.04 (0.03) 20.04 (0.03) 20.02 (0.03) 20.02 (0.03) 20.04 (0.03) 20.01 (0.03) 20.03 (0.03) 20.00
z magnitude 20.10 (0.09) 20.10 (0.09) 20.08 (0.09) 20.08 (0.09) 20.10 (0.09) 20.10 (0.09) 20.10 (0.09) 20.09
G magnitude 20.04 (0.1) 20.09 20.04 (0.007)
BP magnitude 20.05 (0.1) 20.15
RP magnitude 19.72 (0.1) 19.51
Pan g magnitude 20.13 (0.02)
Pan r magnitude 19.98 (0.05)
Pan i magnitude 20.07 (0.02)
Pan z magnitude 20.33 (0.02)
Pan y magnitude 20.10 (0.1)
E(B-V) 0.015

* 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.