NLTT 28772

All names: WD 1148+544, WD 1148+542, 2MASS J11512393+5411486, LP 129-587, Gaia DR3 840622479622035712, Gaia DR2 840622479622035712, ** LDS 1272B, LSPM J1151+5411N, WDJ115123.99+541147.78, TIC 137829897, WDS J11515+5412B, SDSS J115123.93+541147.6, SDSS J115123.94+541147.7, NLTT 28772, SDSS J115123.93+541147.7, J1151+5411, 1148+544, WD 1148+54, G 197-35, USNO-B1.0 1441-00215500, EGGR 435, Gaia EDR3 840622479622035712

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 Leggett et al. 2018 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Tremblay et al. 2011 Kawka et Vennes 2006 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 51 23.48 (0.03) 11 51 23.93 11 51 23.50 (0.04) 11 51 23.48 11 51 23.99 (0.03) 11 51 23.50 11 51 23.93 11 51 24.77 11 51 23.94
Declination 54 11 47.28 (0.03) 54 11 47.69 54 11 47.30 (0.05) 54 11 47.28 54 11 47.78 (0.04) 54 11 47.30 54 11 47.72 54 11 48.84 54 11 47.71
Spectral type DA DA DA DA5.1 DA DA DA DA DA DA5.1 DA DA_auto DA5 DA DA
Effective temperature [K] 9536.0 (41) 9755.0 (41) 9536.0 (41) 9793.0 (282) 9526.0 9970.0 (148) 9780.0 (30) 9780.0 (70) 9563.0 (69) 9758.0 (25) 9582.0 (26)
log(g) [cgs] 7.96 (0.008) 8.01 (0.009) 7.95 (0.008) 8.02 (0.06) 7.95 8.22 (0.06) 8.27 (0.04) 8.14 (0.06) 7.97 (0.01) 8.25 (0.03) 8.12 (0.03)
Mass [M] 0.576 (0.007) 0.604 (0.007) 0.572 (0.007) 0.609 (0.05) 0.571 0.74 (0.04) 0.77 (0.03) 0.68 (0.04) 0.583 (0.01) 0.667 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.6800 0.6510 (0.07) 0.6419 0.9550
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] 13.02 (0.05) 12.96 (0.07) 13.38 (0.6) 12.96 (0.07) 13.02 13.02 (0.05) 12.96 (0.07) 2.40 (8)
Distance [pc] 76.81 (0.3) 77.16 (0.4) 74.74 (4) 77.15 (0.4) 69.00 68.00 76.81 76.80 (0.3) 77.15 (0.4) 416.67 (1389)
Composition H H H H H
Proper motion (right ascension) [mas/yr] -280.5535209 (0.04) -280.4700914 (0.1) -280.554 (0.04) -280.47 -274.8
Proper motion (declination) [mas/yr] -31.24277078 (0.05) -31.14661774 (0.1) -31.243 (0.05) -31.147 -37.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.80
V magnitude
R magnitude 16.40
I magnitude
J magnitude 16.63 (0.01) 16.51 (0.1)
H magnitude 16.31 (0.2) 16.33 (0.2)
K magnitude
u magnitude 17.15 (0.009) 17.15 (0.009) 17.15 (0.009) 17.15 (0.009) 17.16 (0.02) 0.44 17.16 (0.02)
g magnitude 16.70 (0.004) 16.70 (0.004) 16.70 (0.004) 16.73 (0.02) 16.71 (0.02)
r magnitude 16.77 (0.005) 16.77 (0.005) 16.77 (0.005) 16.77 (0.01) 16.75 (0.01)
i magnitude 16.89 (0.005) 16.89 (0.005) 16.89 (0.005) 16.88 (0.02) 16.87 (0.02)
z magnitude 17.05 (0.01) 17.05 (0.01) 17.05 (0.01) 17.03 (0.02) 17.03 (0.02)
G magnitude 16.70 (0.004) 16.73 16.70 16.70 (0.003) 16.73
BP magnitude 16.77 (0.004) 16.76 16.76
RP magnitude 16.59 (0.004) 16.59 16.59
Pan g magnitude 16.72 (0.003) 16.72 (0.003)
Pan r magnitude 16.78 (0.003) 16.78 (0.003)
Pan i magnitude 16.90 (0.002) 16.90 (0.002)
Pan z magnitude 17.05 (0.004) 17.05 (0.003)
Pan y magnitude 17.14 (0.008) 17.14 (0.008)
E(B-V) 0.005

* 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.