SDSS J162710.77+270332.0

All names: Gaia DR2 1305086870144746112, SDSS J162710.78+270332.00, WD 1625+271, SDSS J162710.77+270332.0, LAMOST J162710.78+270332.0, Gaia DR3 1305086870144746112, Gaia EDR3 1305086870144746112, GALEX J162710.7+270332, SDSS J162710.78+270332.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism 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 16 27 10.75 (0.1) 16 27 10.78 16 27 10.75 (0.1) 16 27 10.75 16 27 10.78 (0.1) 16 27 10.78 16 27 10.39 16 27 10.78
Declination 27 03 32.14 (0.1) 27 03 32.00 27 03 32.14 (0.2) 27 03 32.14 27 03 32.00 (0.1) 27 03 32.04 27 03 27.00 27 03 32.04
Spectral type DBA: DB DBA DBA DBA DBA: DB
Effective temperature [K] 16745.0 18006.0 14916.0 17610.0 (1683) 17314.0 (327) 16901.0 (340)
log(g) [cgs] 8.22 7.92 7.68 7.87 (0.1) 8.18 (0.2) 8.16 (0.2)
Mass [M] 0.729 0.551 0.424 0.524 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.1268
log(H/He) -4.645
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.29 (0.2) 2.28 (0.2) 2.29 2.29 (0.2)
Distance [pc] 437.45 (36) 438.11 (42) 437.45 437.45 (36)
Composition He
Proper motion (right ascension) [mas/yr] -28.35339249 (0.2) -28.31620479 (0.3) -28.353 (0.2) -25.7
Proper motion (declination) [mas/yr] 9.027073591 (0.2) 8.48883427 (0.4) 9.027 (0.2) 8.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.78 (0.02) 18.78 (0.02) 18.80 (0.02) 18.80 18.80 (0.02)
g magnitude 18.85 (0.009) 18.85 (0.009) 18.85 (0.02) 18.85 18.85 (0.02)
r magnitude 19.14 (0.01) 19.14 (0.01) 19.15 (0.02) 19.15 19.14 (0.02)
i magnitude 19.44 (0.02) 19.44 (0.02) 19.43 (0.02) 19.43 19.43 (0.02)
z magnitude 19.72 (0.07) 19.72 (0.07) 19.68 (0.06) 19.68 19.71 (0.06)
G magnitude 19.02 (0.02) 19.07 19.02 19.02 (0.003)
BP magnitude 19.00 (0.02) 18.93
RP magnitude 19.15 (0.04) 19.14
Pan g magnitude 18.91 (0.01)
Pan r magnitude 19.21 (0.006)
Pan i magnitude 19.45 (0.009)
Pan z magnitude 19.68 (0.04)
Pan y magnitude 19.64 (0.08)
E(B-V) 0.030

* 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.