WD 1550+006

All names: WD 1550+006, GALEX J155316.2+003153, SDSS J155316.22+003153.3, Gaia DR2 4410430722885800704, Gaia EDR3 4410430722885800704, SDSS J155316.22+003153.4, Gaia DR3 4410430722885800704

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Harris et al. 2003 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 15 53 16.22 (0.4) 15 53 16.22 15 53 16.22 (0.5) 15 53 16.22 (0.4) 15 53 16.22 15 53 16.18 15 53 16.22 15 53 16.22
Declination 00 31 53.38 (0.4) 00 31 53.36 00 31 53.38 (0.4) 00 31 53.33 (0.4) 00 31 53.34 00 31 50.88 00 31 53.28 00 31 53.29
Spectral type DA5: DA5: DA5 DA DA3.1 DA DA
Effective temperature [K] 12439.0 15799.0 (847) 16530.0 (889) 16071.0 (851)
log(g) [cgs] 8.06 7.90 (0.2) 8.01 (0.2) 7.95 (0.2)
Mass [M] 0.641 0.62 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.3673
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] 2.65 (0.5) 2.37 (0.6) 2.65 (0.5)
Distance [pc] 377.33 (72) 422.19 (112) 377.33 (72)
Composition H
Proper motion (right ascension) [mas/yr] -3.541162364 (0.6) -2.220644369 (1) -3.541 (0.6) 1.1 2.0
Proper motion (declination) [mas/yr] 3.516007848 (0.5) 4.409090134 (0.9) 3.516 (0.5) 5.0 5.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.98 (0.03) 19.98 19.98 (0.04) 20.00 (0.04) 19.98 20.00 (0.04) 19.98 (0.04)
g magnitude 19.73 (0.01) 19.75 19.73 (0.01) 19.75 (0.02) 19.75 19.74 (0.02) 19.75 (0.02)
r magnitude 19.94 (0.02) 19.95 19.94 (0.02) 19.95 (0.02) 19.95 19.95 (0.02) 19.95 (0.02)
i magnitude 20.16 (0.03) 20.15 20.16 (0.03) 20.16 (0.03) 20.15 20.16 (0.03) 20.15 (0.03)
z magnitude 20.47 (0.1) 20.40 20.47 (0.1) 20.41 (0.1) 20.41 20.42 (0.1) 20.41 (0.1)
G magnitude 19.85 (0.05) 19.90 19.85 (0.005)
BP magnitude 19.79 (0.05) 19.91
RP magnitude 19.94 (0.08) 20.10
Pan g magnitude 19.75 (0.01)
Pan r magnitude 19.96 (0.01)
Pan i magnitude 20.21 (0.02)
Pan z magnitude 20.42 (0.02)
Pan y magnitude 20.12 (0.07)
E(B-V) 0.086

* 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.