SDSS J214837.74+124205.9

All names: Gaia DR2 1766491603277622784, SDSS J214837.74+124205.9, Gaia DR3 1766491603277622784, SDSS J214837.75+124206.1, WD 2146+124, Gaia EDR3 1766491603277622784

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 21 48 37.75 (0.6) 21 48 37.75 21 48 37.75 (0.8) 21 48 37.75 (0.6) 21 48 37.74 21 48 37.63 21 48 37.75
Declination 12 42 05.74 (0.5) 12 42 05.90 12 42 05.75 (0.9) 12 42 05.98 (0.5) 12 42 05.99 12 42 05.04 12 42 06.05
Spectral type DA DA DA_auto DA DAH DA
Effective temperature [K] 7540.0 8055.0 (182) 7912.0 (188)
log(g) [cgs] 6.50 8.68 (0.3) 8.03 (0.6)
Mass [M] 0.101
log(Luminosity) [L]
Cooling age [Gyr]
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] 3.14 (0.8) 1.58 (1) 3.14 (0.8)
Distance [pc] 318.24 (78) 632.10 (403) 318.24 (78)
Composition H
Proper motion (right ascension) [mas/yr] -0.773195452 (0.8) 0.868607723 (2) -0.773 (0.8) -5.1
Proper motion (declination) [mas/yr] -15.01614727 (0.6) -13.90095039 (2) -15.016 (0.6) -22.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.85 (0.08) 20.88 (0.08) 20.85 (0.07) 20.85 20.86 (0.07)
g magnitude 20.49 (0.02) 20.44 (0.03) 20.43 (0.03) 20.43 20.43 (0.03)
r magnitude 20.40 (0.03) 20.41 (0.03) 20.41 (0.03) 20.40 20.38 (0.03)
i magnitude 20.37 (0.04) 20.43 (0.05) 20.44 (0.05) 20.44 20.42 (0.05)
z magnitude 20.36 (0.1) 20.59 (0.2) 20.63 (0.2) 20.63 20.61 (0.2)
G magnitude 20.35 (0.07) 20.43 20.35 (0.007)
BP magnitude 20.49 (0.07) 20.55
RP magnitude 20.46 (0.1) 20.44
Pan g magnitude 20.46 (0.02)
Pan r magnitude 20.38 (0.02)
Pan i magnitude 20.40 (0.02)
Pan z magnitude 20.44 (0.04)
Pan y magnitude 20.26 (0.1)
E(B-V) 0.041

* 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.