SDSS J114551.29+661923.5

All names: Gaia DR3 1056978016888546048, Gaia EDR3 1056978016888546048, J1145+6619, SDSS J114551.29+661923.5, Gaia DR2 1056978016888546048, SDSS J114551.29+661923.54

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 11 45 51.37 (1) 11 45 51.29 11 45 51.29 11 45 51.36 (2) 11 45 51.29 (1)
Declination 66 19 23.17 (1) 66 19 23.27 66 19 23.28 66 19 23.18 (2) 66 19 23.35 (1)
Spectral type DZ DZ: DZ: DZ
Effective temperature [K] 7556.0 (480) 8259.0 7925.0 (184)
log(g) [cgs] 8.64 8.80 8.00 (0)
Mass [M] 0.9919 1.101
log(Luminosity) [L]
Cooling age [Gyr] 3.4400 3.2790
log(H/He) <-3.7751
log(C/He)
log(Ca/He) -10.044 (0.3) -9.68
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] 5.22 (2) 4.53 4.53 (2) 5.22 (2)
Distance [pc] 191.44 (63) 220.88 (89) 220.88 (89) 191.44 (63)
Composition He He He
Proper motion (right ascension) [mas/yr] 28.24060391 (2) 30.49591862 (4) 28.241 (2)
Proper motion (declination) [mas/yr] -10.94836136 (2) -6.34665499 (2) -10.948 (2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.39 (0.1) 21.43 (0.1) 21.43 (0.1)
g magnitude 20.97 (0.04) 20.98 (0.04) 20.98 (0.04)
r magnitude 20.87 (0.05) 20.93 (0.05) 20.93 (0.05)
i magnitude 21.06 (0.08) 21.07 (0.08) 21.07 (0.08)
z magnitude 21.14 (0.3) 21.04 (0.3) 21.04 (0.3)
G magnitude 20.89 (0.2) 20.99 20.89 (0.01)
BP magnitude 20.92 (0.2) 20.58
RP magnitude 20.17 (0.2) 20.41
Pan g magnitude 20.89 (0.03)
Pan r magnitude 20.89 (0.05)
Pan i magnitude 20.99 (0.03)
Pan z magnitude 21.15 (0.2)
Pan y magnitude
E(B-V) 0.016

* 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.