WD 0742+432

All names: Gaia DR2 924345239195423232, SDSS J074532.47+430530.3, SDSS J074532.46+430530.5, Gaia EDR3 924345239195423232, Gaia DR3 924345239195423232, SDSS J074532.48+430530.5, WD 0742+432, SDSS J074532.46+430530.3, SDSS J074532.46+430530.4, GALEX J074532.4+430530, SDSS J074532.47+430530.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Tremblay et al. 2011 Vincent et al. 2024 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 07 45 32.48 (0.1) 07 45 32.47 07 45 32.48 (0.2) 07 45 32.48 07 45 32.48 07 45 32.47 (0.1) 07 45 32.47 07 45 32.06 07 45 32.48 07 45 32.48
Declination 43 05 30.22 (0.1) 43 05 30.55 43 05 30.23 (0.1) 43 05 30.52 43 05 30.22 43 05 30.58 (0.1) 43 05 30.53 43 05 23.64 43 05 30.53 43 05 30.52
Spectral type DA+M: DA+M: DA DA DA+M DA DA2.1 DA+M DA
Effective temperature [K] 18985.0 23886.0 (492) 25200.0 (390) 23053.0 (2025) 24277.0 (374) 24442.0 (320) 24502.0 (393)
log(g) [cgs] 7.68 7.91 (0.07) 7.94 (0.06) 7.72 (0.1) 7.92 (0.04) 7.92 (0.04) 7.95 (0.04)
Mass [M] 0.462 0.58 (0.04) 0.6 (0.03) 0.489 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.0524 0.0200
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] 2.17 (0.2) 2.38 (0.2) 2.17 2.17 (0.2)
Distance [pc] 461.57 (34) 420.82 (36) 1627.00 (299) 461.57 461.57 (34)
Composition H H
Proper motion (right ascension) [mas/yr] 3.04915811 (0.2) 3.423253283 (0.3) 3.049 (0.2) 1.7 -1.0
Proper motion (declination) [mas/yr] -21.99441478 (0.1) -22.00649017 (0.3) -21.994 (0.1) -25.2 -26.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.25 (0.01) 18.24 18.25 (0.01) 18.24 (0.02) 18.25 18.24 (0.02) 18.25 (0.02)
g magnitude 18.34 (0.007) 18.36 18.34 (0.007) 18.36 (0.02) 18.35 18.36 (0.02) 18.35 (0.02)
r magnitude 18.70 (0.009) 18.70 18.70 (0.009) 18.70 (0.01) 18.71 18.70 (0.01) 18.71 (0.01)
i magnitude 19.00 (0.01) 19.01 19.00 (0.01) 19.01 (0.02) 19.01 19.00 (0.02) 19.01 (0.02)
z magnitude 19.30 (0.05) 19.31 19.30 (0.05) 19.31 (0.05) 19.32 19.30 (0.05) 19.32 (0.05)
G magnitude 18.53 (0.01) 18.56 18.53 18.53 (0.003)
BP magnitude 18.43 (0.01) 18.39
RP magnitude 18.71 (0.04) 18.65
Pan g magnitude 18.37 (0.004)
Pan r magnitude 18.74 (0.01)
Pan i magnitude 19.05 (0.006)
Pan z magnitude 19.29 (0.02)
Pan y magnitude 19.46 (0.02)
E(B-V) 0.032

* 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.