SDSS J075026.29+174029.7

All names: Gaia DR2 668317840636534912, PSO J117.6097+17.6745, PM J07504+1740, TIC 17672361, Gaia EDR3 668317840636534912, GALEX J075026.3+174029, J0750+1740, WDJ075026.27+174030.27, Gaia DR3 668317840636534912, WIRED J075026.29+174029.7, 2MASS J07502627+1740304, SDSS J075026.29+174029.8, SDSS J075026.30+174029.3, 07504+1740, SDSS J075026.29+174029.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 50 26.34 (0.09) 07 50 26.30 07 50 26.34 (0.09) 07 50 26.34 07 50 26.27 (0.09) 07 50 26.34 07 50 26.29
Declination 17 40 28.32 (0.06) 17 40 29.34 17 40 28.38 (0.06) 17 40 28.32 17 40 30.27 (0.06) 17 40 28.38 17 40 29.75
Spectral type DA DA DA DA DA DA DA DA DA DA DA
Effective temperature [K] 7041.0 (30) 7148.0 (27) 7041.0 (30) 6940.0 (65) 6934.0 6900.0 (103) 7202.0 (70) 6820.0 (24)
log(g) [cgs] 8.04 (0.008) 8.08 (0.009) 8.04 (0.01) 8.02 (0.02) 8.01 8.01 (0.08) 8.08 (0.02) 7.80 (0.05)
Mass [M] 0.617 (0.008) 0.641 (0.008) 0.619 (0.008) 0.606 (0.01) 0.599 0.6 (0.05) 0.643 (0.01) 0.492 (0.03)
log(Luminosity) [L] -3.48
Cooling age [Gyr] 1.6800 1.6070 (0.07) 1.5830
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] 18.90 (0.09) 18.93 (0.1) 18.93 (0.1) 18.93 (0.1) 18.90 18.90 (0.09) 18.93 (0.1)
Distance [pc] 52.92 (0.3) 52.83 (0.3) 52.82 (0.3) 52.82 (0.3) 51.20 (1) 52.92 52.92 (0.3) 52.82 (0.3)
Composition H H H H H
Proper motion (right ascension) [mas/yr] 60.58373869 (0.1) 60.38243742 (0.2) 59.0 60.584 (0.1) 60.382
Proper motion (declination) [mas/yr] -121.7066198 (0.06) -121.6977779 (0.1) -112.0 -121.707 (0.06) -121.698
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.46 (0.01) 16.84 (0.2) 16.84 16.84 (0.2)
H magnitude 16.32 (0.3) 16.32 (0.3) 16.32 16.32 (0.1)
K magnitude 15.74 (0.3) 15.74 (0.3) 15.74 15.74 (0.1)
u magnitude 17.82 (0.01) 17.77 (0.01) 17.77 17.82 (0.01) 17.89 (0.01) 17.78 (0.02)
g magnitude 17.30 (0.005) 17.26 17.29 (0.004) 17.30 (0.005) 17.27 (0.01)
r magnitude 17.11 (0.005) 17.08 17.12 (0.008) 17.12 (0.005) 17.07 (0.01)
i magnitude 17.07 (0.005) 17.04 17.10 (0.003) 17.08 (0.005) 17.03 (0.02)
z magnitude 17.11 (0.01) 17.11 17.11 (0.003) 17.09 (0.01) 17.10 (0.02)
G magnitude 17.07 (0.006) 17.09 17.07 17.07 (0.003) 17.09
BP magnitude 17.25 (0.006) 17.24 17.24
RP magnitude 16.74 (0.005) 16.74 16.74
Pan g magnitude 17.29 (0.003) 17.29 (0.004) 17.29 (0.004)
Pan r magnitude 17.12 (0.009) 17.12 (0.008) 17.12 (0.008)
Pan i magnitude 17.10 (0.004) 17.10 (0.003) 17.10 (0.003)
Pan z magnitude 17.11 (0.003) 17.11 (0.003) 17.11 (0.003)
Pan y magnitude 17.15 (0.02) 17.15 (0.02) 17.15 (0.02)
E(B-V) 0.001

* 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.