Gaia DR2 1238352149340737536

All names: SDSS J144921.33+205421.8, J1449+2054, Gaia DR2 1238352149340737536, SDSS J144921.34+205421.9, Gaia EDR3 1238352149340737536, Gaia DR3 1238352149340737536, WDJ144921.38+205421.86

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 14 49 21.24 (0.2) 14 49 21.24 14 49 21.24 14 49 21.38 (0.2) 14 49 21.24
Declination 20 54 21.80 (0.2) 20 54 21.80 20 54 21.80 20 54 21.86 (0.2) 20 54 21.80
Spectral type DAH DAH: DAH: DA DA DA
Effective temperature [K] 5723.0 (50) 5717.0 (48) 5721.0 (50) 5632.0 5362.0 5700.0 (127)
log(g) [cgs] 8.28 (0.02) 8.27 (0.03) 8.27 (0.03) 8.23 8.07 8.25 (0.05)
Mass [M] 0.768 (0.02) 0.758 (0.03) 0.76 (0.03) 0.732 0.612 0.746 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 5.0800 4.8350 4.9680
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] 13.35 (0.2) 13.24 (0.3) 13.24 (0.3) 13.35 13.35 (0.2) 13.24 (0.3)
Distance [pc] 74.93 (1) 75.53 (2) 75.51 (2) 74.93 74.93 (1) 75.51 (2)
Composition H H
Proper motion (right ascension) [mas/yr] -123.3033063 (0.2) -123.2451337 (0.5) -123.303 (0.2) -123.2451337
Proper motion (declination) [mas/yr] -3.649351555 (0.2) -3.861809286 (0.6) -3.649 (0.2) -3.861809286
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.95 (0.04)
H magnitude
K magnitude
u magnitude 20.48 (0.06) 20.47 (0.06) 20.47 (0.06)
g magnitude 19.47 (0.01) 19.47 (0.01)
r magnitude 19.01 (0.01) 19.01 (0.01)
i magnitude 18.83 (0.01) 18.83 (0.01)
z magnitude 18.77 (0.04) 18.77 (0.04)
G magnitude 19.02 (0.03) 19.05 19.02 19.02 (0.004) 19.05
BP magnitude 19.38 (0.03) 19.43 19.43
RP magnitude 18.47 (0.03) 18.49 18.49
Pan g magnitude 19.42 (0.01) 19.42 (0.01)
Pan r magnitude 19.00 (0.006) 19.00 (0.006)
Pan i magnitude 18.83 (0.007) 18.83 (0.009)
Pan z magnitude 18.78 (0.02) 18.78 (0.01)
Pan y magnitude 18.82 (0.03) 18.82 (0.03)
E(B-V) 0.010

* 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.