SDSS J115244.11+501844.7

All names: Gaia DR3 787984150718889984, Gaia EDR3 787984150718889984, SDSS J115244.11+501844.5, SDSS J115244.11+501844.7, SDSS J115244.11+501844.79, Gaia DR2 787984150718889984

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Kepler et al. 2016 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 11 52 44.09 (0.1) 11 52 44.11 11 52 44.09 (0.2) 11 52 44.09 11 52 44.12 (0.1)
Declination 50 18 45.01 (0.2) 50 18 44.55 50 18 44.99 (0.2) 50 18 45.01 50 18 44.46 (0.2)
Spectral type DAH DAH DAH DA: DAH DAH
Effective temperature [K] 9231.0 (476) 8923.0 9157.0 (317) 9661.0 (475)
log(g) [cgs] 8.42 (0.3) 8.36 8.00 (1) 8.54 (0.08)
Mass [M☉] 0.8687900552694725 (0.4) 0.827 0.943 (0.07)
log(Luminosity) [L☉]
Cooling age [Gyr] 1.4620
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] 5.76 (0.2) 5.67 (0.4) 5.76 5.76 (0.2)
Distance [pc] 173.76 (7) 176.25 (12) 173.76 173.76 (7)
Composition H
Proper motion (right ascension) [mas/yr] -20.21115241 (0.2) -20.05914759 (0.4) -20.211 (0.2)
Proper motion (declination) [mas/yr] 34.40777711 (0.2) 34.21709553 (0.4) 34.408 (0.2)
Variability
Magnetic yes
Bd [MG] 13.195040576355854
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.83 (0.04) 19.83 (0.05) 19.83 (0.04)
g magnitude 19.43 (0.01) 19.42 (0.05) 19.44 (0.01)
r magnitude 19.44 (0.01) 19.45 (0.02) 19.44 (0.01)
i magnitude 19.47 (0.02) 19.47 (0.02) 19.47 (0.02)
z magnitude 19.91 (0.1) 19.92 (0.1) 19.91 (0.1)
G magnitude 19.36 (0.03) 19.40 19.36 19.36 (0.004)
BP magnitude 19.49 (0.03) 19.47
RP magnitude 19.27 (0.03) 19.29
Pan g magnitude 19.40 (0.01)
Pan r magnitude 19.43 (0.01)
Pan i magnitude 19.48 (0.01)
Pan z magnitude 19.65 (0.02)
Pan y magnitude 19.60 (0.05)
E(B-V) 0.012

* 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.