SDSS J133038.05+544524.4

All names: LAMOST J133038.06+544524.5, Gaia DR3 1565012935076040832, WDJ133038.08+544524.65, TIC 357303241, Gaia EDR3 1565012935076040832, PSO J202.6583+54.7566, SDSS J133038.06+544524.4, J1330+5445, 2MASS J13303812+5445243, SDSS J133038.06+544524.5, Gaia DR2 1565012935076040832, SDSS J133038.05+544524.4, LAMOST J133038.05+544524.4, WIRED J133038.05+544524.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Guo et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 30 37.99 (0.03) 13 30 38.06 13 30 37.99 (0.04) 13 30 37.99 13 30 38.08 (0.03) 13 30 37.99 13 30 38.06 13 30 38.06
Declination 54 45 23.77 (0.03) 54 45 24.51 54 45 23.80 (0.04) 54 45 23.77 54 45 24.65 (0.03) 54 45 23.80 54 45 24.46 54 45 24.47
Spectral type DA DA DA DA DA DA DA DA DAZ SDB+MS: DA DA
Effective temperature [K] 7621.0 (21) 7583.0 (20) 7621.0 (22) 7475.0 (65) 7515.0 7464.0 (51) 7930.0 (22) 7362.0 (24)
log(g) [cgs] 8.12 (0.005) 8.12 (0.006) 8.13 (0.006) 8.09 (0.02) 8.10 8.09 (0.01) 8.45 (0.04) 7.77 (0.04)
Mass [M] 0.669 (0.005) 0.665 (0.005) 0.671 (0.005) 0.65 (0.01) 0.653 0.648 (0.01) 0.482 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.5200 1.4540 (0.05) 1.4440
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] 20.66 (0.04) 20.71 (0.05) 20.71 (0.05) 20.71 (0.05) 20.66 20.66 (0.04) 20.71 (0.05)
Distance [pc] 48.40 (0.1) 48.29 (0.1) 48.29 (0.1) 48.29 (0.1) 48.40 48.40 (0.1) 48.29 (0.1)
Composition H H H H
Proper motion (right ascension) [mas/yr] -46.91347438 (0.04) -47.00906169 (0.07) -46.913 (0.04) -47.009 -46.8
Proper motion (declination) [mas/yr] -54.54087544 (0.04) -54.5543529 (0.07) -54.541 (0.04) -54.554 -59.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.19 (0.01) 16.16 (0.09) 16.16 (0.09)
H magnitude 15.91 (0.2) 15.91 (0.2) 15.91 (0.2)
K magnitude 15.44 (0.2) 15.44 (0.2) 15.44 (0.2)
u magnitude 17.33 (0.01) 17.33 (0.01) 17.33 (0.01) 17.33 (0.01) 17.35 (0.02) 17.35 (0.02)
g magnitude 16.89 (0.004) 16.87 (0.001) 16.89 (0.004) 16.91 (0.03) 16.91 (0.03)
r magnitude 16.76 (0.004) 16.77 (0.004) 16.75 (0.004) 16.77 (0.02) 16.77 (0.02)
i magnitude 16.74 (0.005) 16.78 (0.005) 16.74 (0.005) 16.74 (0.03) 16.73 (0.03)
z magnitude 16.80 (0.01) 16.84 (0.003) 16.80 (0.01) 16.79 (0.02) 16.79 (0.02)
G magnitude 16.72 (0.007) 16.74 16.72 16.72 (0.003) 16.74
BP magnitude 16.91 (0.007) 16.87 16.87
RP magnitude 16.47 (0.009) 16.44 16.44
Pan g magnitude 16.87 (0.001) 16.87 (0.001) 16.87 (0.001)
Pan r magnitude 16.77 (0.004) 16.77 (0.004) 16.77 (0.004)
Pan i magnitude 16.78 (0.005) 16.78 (0.005) 16.77 (0.005)
Pan z magnitude 16.84 (0.004) 16.84 (0.003) 16.84 (0.003)
Pan y magnitude 16.89 (0.006) 16.89 (0.006) 16.89 (0.006)
E(B-V) 0.004

* 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.