WD 0851+090

All names: LAMOST J085413.07+085354.4, ULAS J085413.16+085352.8, PK 219+31, GALEX J085413.1+085352, PN A55 20, Gaia DR3 597324024095840512, PN A66 31, PN G219.1+31.2, GSC2 N23103322677, 2MASS J08541316+0853531, PN ARO 135, Gaia DR2 597324024095840512, PK 219+31 1, IRAS 08515+0905, PN VV' 81, WDJ085413.16+085352.94, GALEX J085413.0+085354, GEN# +6.20056031, WD 0851+090, UBV M 44664, TIC 444036737, Gaia EDR3 597324024095840512, UBV 8615, FB 53, CSI+09-08515, SDSS J085413.16+085352.9, SH 2-290

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2026a Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 54 13.15 (0.04) 08 54 13.15 (0.07) 08 54 13.16 (0.04) 08 54 12.46
Declination 08 53 52.80 (0.02) 08 53 52.81 (0.04) 08 53 52.94 (0.02) 08 53 51.72
Spectral type DAO sdO6 DAO.60
Effective temperature [K] 99948.0
log(g) [cgs] 7.28 (0.03)
Mass [M☉] 0.57 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He) 1.0
log(C/He)
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/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(Cl/H)
log(K/H)
log(Sc/H)
log(Ti/H)
log(V/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Co/H)
log(Ni/H)
log(Cu/H)
log(Sr/H)
Parallax [mas] 1.84 (0.06) 1.96 (0.09) 1.84 (0.06)
Distance [pc] 542.87 (16) 510.55 (23) 542.86 (16)
Composition H
Proper motion (right ascension) [mas/yr] -9.96736803 (0.06) -9.674522114 (0.1) -9.967 (0.06)
Proper motion (declination) [mas/yr] -8.566962918 (0.04) -8.441470968 (0.08) -8.567 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.20 (0.007)
V magnitude 15.54 (0.001)
R magnitude 15.69 (0.009)
I magnitude 15.83 (0.02)
J magnitude 15.94 (0.007)
H magnitude 15.80 (0.01)
K magnitude 15.67 (0.01)
u magnitude 14.73 (0.01)
g magnitude 15.22 (0.02)
r magnitude 15.75 (0.02)
i magnitude 16.10 (0.01)
z magnitude 16.37 (0.02)
G magnitude 15.47 (0.002) 15.48 15.47 (0.003)
BP magnitude 15.30 (0.002) 15.22
RP magnitude 15.77 (0.002) 15.77
Pan g magnitude 15.29 (0.005)
Pan r magnitude 15.77 (0.003)
Pan i magnitude 16.11 (0.005)
Pan z magnitude 16.35 (0.005)
Pan y magnitude 16.48 (0.008)
E(B-V) 0.031

* 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.