PG 1200+549

All names: Gaia EDR3 1573273565935015296, SDSS J120253.97+543709.5, Gaia DR2 1573273565935015296, SDSS J120253.96+543709.5, Gaia DR3 1573273565935015296, SDSS J120253.96+543709.4, LB 2181, LAMOST J120253.97+543709.4, SDSS J120253.97+543709.4, WD 1200+548, SBSS 1200+548, PG 1200+549

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Guo et al. 2015 Gianninas et al. 2011 Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 02 53.84 (0.03) 12 02 53.97 12 02 53.85 (0.05) 12 02 53.84 12 02 53.99 (0.03) 12 02 53.97 12 02 55.08 12 02 53.97
Declination 54 37 09.38 (0.03) 54 37 09.58 54 37 09.39 (0.05) 54 37 09.38 54 37 09.57 (0.03) 54 37 09.49 54 37 12.00 54 37 09.48
Spectral type DA DA DA DA DA DA1.7 DA_auto DA3 DA DA
Effective temperature [K] 27183.0 29030.0 (444) 29340.0 (130) 28774.0 (497) 28636.0 (49) 29302.0 (51)
log(g) [cgs] 7.85 7.97 (0.05) 7.86 (0.03) 7.87 (0.02) 7.82 (0.02) 7.88 (0.02)
Mass [M] 0.562 0.63 (0.03) 0.57 (0.01) 0.576 (0.01) 0.585 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.0126 0.0098
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] 4.89 (0.05) 5.08 (0.07) 4.89 4.89 (0.05)
Distance [pc] 204.34 (2) 196.87 (3) 183.00 204.34 204.34 (2)
Composition H H H
Proper motion (right ascension) [mas/yr] -81.01781881 (0.04) -81.11463946 (0.1) -81.018 (0.04) -74.0
Proper motion (declination) [mas/yr] -12.21183912 (0.04) -12.2666182 (0.1) -12.212 (0.04) -12.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 16.31
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 15.97 (0.005) 15.97 (0.005) 15.94 (0.01) 15.94 15.97 (0.01)
g magnitude 16.16 (0.003) 16.16 (0.003) 16.16 (0.04) 16.16 16.17 (0.04)
r magnitude 16.61 (0.004) 16.61 (0.004) 16.64 (0.02) 16.64 16.65 (0.02)
i magnitude 16.97 (0.005) 16.97 (0.005) 16.97 (0.02) 16.97 16.97 (0.02)
z magnitude 17.27 (0.01) 17.27 (0.01) 17.28 (0.02) 17.28 17.29 (0.02)
G magnitude 16.41 (0.003) 16.44 16.41 16.41 (0.003)
BP magnitude 16.28 (0.003) 16.22
RP magnitude 16.69 (0.004) 16.68
Pan g magnitude 16.23 (0.003)
Pan r magnitude 16.65 (0.008)
Pan i magnitude 17.01 (0.002)
Pan z magnitude 17.29 (0.005)
Pan y magnitude 17.49 (0.01)
E(B-V) 0.016

* 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.