LAWD 19

All names: Gaia DR2 3313714023603261568, GEN# +5.20251490, LP 415-415, WISE J042839.43+165812.0, WD 0425+16, Cl* Melotte 25 OS 545, RX J0428.6+1658, Cl* Melotte 25 VR 16, UBV 4303, Gaia DR3 3313714023603261568, USNO-B1.0 1069-00046077, EGGR 37, Cl* Melotte 25 HAN 435, CSI+16-04257, VVO 388, 1RXS J042839.3+165800, TIC 245792325, Cl* Melotte 25 REID 265, 2MASS J04283939+1658121, uvby98 520251490, KUV 684-7, Cl* Melotte 25 VA 490, Gaia EDR3 3313714023603261568, 2RE J042838+165812, UCAC4 535-008986, LAWD 19, UBV M 41436, GCRV 21717, 1RXP J042839.3+165812, GALEX J042839.4+165813, WISEA J042839.43+165811.9, KUV 04258+1652, PLX 987.02, WD 0425+168, BPS BS 17585-0107, WDJ042839.41+165812.09, 2RE J0428+165, HG 7-233

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 04 28 39.52 (0.03) 04 28 39.52 (0.06) 04 28 39.52 04 28 39.41 (0.03) 04 28 39.52 04 28 39.41
Declination 16 58 11.66 (0.02) 16 58 11.67 (0.03) 16 58 11.66 16 58 12.09 (0.02) 16 58 11.67 16 58 10.56
Spectral type DA DA DA DA2.0 DA
Effective temperature [K] 23168.0 25130.0 (381) 24000.0 (25) 25276.0 (206)
log(g) [cgs] 8.10 8.12 (0.05) 8.04 (0.004) 8.19 (0.008)
Mass [M] 0.687 0.71 (0.03) 0.744 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.0446
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] 20.71 (0.03) 20.90 (0.06) 20.71 20.71 (0.03) 20.90 (0.06) 24.00 (5)
Distance [pc] 48.29 (0.08) 47.86 (0.1) 50.00 48.29 48.29 (0.08) 47.86 (0.1) 41.67 (9)
Composition H H
Proper motion (right ascension) [mas/yr] 102.4901185 (0.04) 102.6918618 (0.1) 102.49 (0.04) 102.6918618
Proper motion (declination) [mas/yr] -27.0854635 (0.03) -26.88532263 (0.07) -27.085 (0.03) -26.88532263
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.96 (0.04)
V magnitude 14.01 14.03 (0.01)
R magnitude 14.51 (0.1)
I magnitude
J magnitude 14.63 (0.03)
H magnitude 14.65 (0.05)
K magnitude 14.68 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.05 (0.0009) 14.07 14.05 14.05 (0.003) 14.07
BP magnitude 13.95 (0.0009) 13.91 13.91
RP magnitude 14.29 (0.0009) 14.29 14.29
Pan g magnitude 13.89 (0.0009)
Pan r magnitude 14.27 (0.003)
Pan i magnitude 14.61 (0.004)
Pan z magnitude 14.88 (0.004)
Pan y magnitude 15.06 (0.004)
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.