SDSS J120304.99+445359.2

All names: Gaia DR3 1539421110448493824, Gaia DR2 1539421110448493824, Gaia EDR3 1539421110448493824, SDSS J120304.99+445359.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Simbad Eisenstein et al. 2006
Right ascension 12 03 05.00 (0.2) 12 03 04.99 12 03 05.00 (0.3) 12 03 05.00 (0.2) 12 03 04.99
Declination 44 53 59.24 (0.2) 44 53 59.26 44 53 59.24 (0.3) 44 53 59.25 (0.2) 44 53 59.26
Spectral type sd SD_auto
Effective temperature [K] 16739.0 (473)
log(g) [cgs] 5.01 (0.02)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.45 (0.4) -0.28 (0.5)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -0.036031707 (0.3) 0.188209246 (0.5) -0.036 (0.3) 4.7
Proper motion (declination) [mas/yr] -0.636640662 (0.3) -1.326379165 (0.5) -0.637 (0.3) -1.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.09 (0.05) 20.10 (0.05) 20.09 (0.05)
g magnitude 19.67 (0.01) 19.69 (0.01) 19.68 (0.03)
r magnitude 19.95 (0.02) 19.96 (0.02) 19.97 (0.03)
i magnitude 20.18 (0.03) 20.18 (0.03) 20.20 (0.04)
z magnitude 20.52 (0.2) 20.51 (0.2) 20.48 (0.1)
G magnitude 19.85 (0.04) 19.90 19.85 (0.004)
BP magnitude 19.82 (0.04) 19.65
RP magnitude 19.90 (0.08) 19.77
Pan g magnitude 19.70 (0.01)
Pan r magnitude 19.97 (0.01)
Pan i magnitude 20.27 (0.01)
Pan z magnitude 20.44 (0.03)
Pan y magnitude 19.95 (0.4)
E(B-V)

* 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.