SDSS J083022.88+272244.3

All names: WD 0827+275, SDSS J083022.88+272244.2, GALEX J083022.9+272244, SDSS J083022.88+272244.3, LAMOST J083022.88+272244.2, Gaia DR2 704031833731058944, Gaia EDR3 704031833731058944, Gaia DR3 704031833731058944

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Guo et al. 2015 Tremblay et al. 2011 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 30 22.89 (0.1) 08 30 22.88 08 30 22.89 (0.2) 08 30 22.89 (0.1) 08 30 22.88 08 30 22.39 08 30 22.88
Declination 27 22 44.27 (0.1) 27 22 44.38 27 22 44.27 (0.1) 27 22 44.36 (0.1) 27 22 44.34 27 22 41.88 27 22 44.34
Spectral type DA DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 55274.0 (1986) 27070.0 59870.0 (3900) 64698.0 (2907) 60359.0 (2530)
log(g) [cgs] 7.33 (0.1) 6.86 7.53 (0.2) 7.47 (0.1) 7.52 (0.1)
Mass [M] 0.44 (0.04) 0.281 0.54 (0.06) 0.537 (0.05)
log(Luminosity) [L] 0.68 (0.1)
Cooling age [Gyr] 0.0001 0.0013
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] 0.95 (0.2) 0.97 (0.3) 0.95 (0.2)
Distance [pc] 1051.74 (174) 1030.65 (276) 1051.75 (174)
Composition H H H
Proper motion (right ascension) [mas/yr] -1.453258845 (0.2) -1.457590786 (0.4) -1.453 (0.2) 2.3
Proper motion (declination) [mas/yr] -5.815276487 (0.1) -6.081327511 (0.2) -5.815 (0.1) -6.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 19.10 (0.1)
H magnitude
K magnitude
u magnitude 17.69 (0.01) 17.69 (0.01) 17.67 (0.02) 17.67 17.65 (0.02)
g magnitude 18.04 (0.006) 18.04 (0.006) 18.02 (0.02) 18.02 18.02 (0.02)
r magnitude 18.52 (0.009) 18.52 (0.009) 18.54 (0.02) 18.53 18.53 (0.02)
i magnitude 18.85 (0.01) 18.84 (0.01) 18.88 (0.02) 18.88 18.87 (0.02)
z magnitude 19.25 (0.05) 19.25 (0.06) 19.21 (0.05) 19.21 19.21 (0.05)
G magnitude 18.29 (0.01) 18.33 18.29 (0.003)
BP magnitude 18.15 (0.01) 18.11
RP magnitude 18.64 (0.03) 18.60
Pan g magnitude 18.12 (0.004)
Pan r magnitude 18.55 (0.006)
Pan i magnitude 18.92 (0.007)
Pan z magnitude 19.19 (0.02)
Pan y magnitude 19.37 (0.04)
E(B-V) 0.026

* 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.