[SLH2007] J074754.72+273655.8

All names: Gaia DR2 875258710805571072, SDSS J074754.81+273655.8, WIRED J074754.81+273655.8, Gaia EDR3 875258710805571072, Gaia DR3 875258710805571072, [SLH2007] J074754.72+273655.8, WD 0744+277

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 47 54.81 (0.1) 07 47 54.82 07 47 54.81 (0.2) 07 47 54.81 07 47 54.81 07 47 54.82 (0.2) 07 47 54.07 07 47 54.81
Declination 27 36 55.14 (0.08) 27 36 55.88 27 36 55.17 (0.09) 27 36 55.80 27 36 55.14 27 36 55.99 (0.09) 27 36 49.32 27 36 55.80
Spectral type DA+M DA+M DA DA+dM DA d DA+M DA+MS
Effective temperature [K] 10212.0 13958.0 (261) 8421.0 (164) 11377.0 (110)
log(g) [cgs] 6.99 7.53 (0.06) 6.35 (0.2) 7.89 (0.07)
Mass [M] 0.219 0.383 (0.02) 0.085 (0.03)
log(Luminosity) [L]
Cooling age [Gyr]
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] 3.23 (0.1) 3.13 (0.2) 3.23 3.13 (0.2)
Distance [pc] 309.38 (13) 319.82 (19) 510.00 (35) 309.38 319.83 (19)
Composition H
Proper motion (right ascension) [mas/yr] -8.299517089 (0.2) -8.236086219 (0.3) -8.236 (0.3)
Proper motion (declination) [mas/yr] -52.99930538 (0.09) -52.8723288 (0.2) -52.872 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.00 (0.01)
H magnitude
K magnitude
u magnitude 18.51 (0.02) 18.56 18.51 (0.02) 18.56 18.57 (0.02)
g magnitude 18.07 (0.006) 18.09 18.09 (0.006) 18.09 18.10 (0.02)
r magnitude 18.34 (0.008) 18.34 18.34 (0.008) 18.34 18.34 (0.01)
i magnitude 18.36 (0.01) 18.40 18.39 (0.01) 18.40 18.40 (0.03)
z magnitude 18.14 (0.02) 18.20 18.14 (0.02) 18.20 18.21 (0.03)
G magnitude 18.16 (0.02) 18.18 18.16 18.18 (0.002)
BP magnitude 18.24 (0.02) 18.22
RP magnitude 18.03 (0.02) 18.01
Pan g magnitude 18.11 (0.003)
Pan r magnitude 18.32 (0.006)
Pan i magnitude 18.42 (0.01)
Pan z magnitude 18.29 (0.02)
Pan y magnitude 18.13 (0.02)
E(B-V) 0.017

* 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.