WD 1145+187

All names: Gaia DR3 3974868644764927744, AAVSO 1142+19, EUVE J1148+18.5, SDSS J114803.16+183046.8, J1148+1830, RE J1148+18, 1RXS J114804.5+183042, WDJ114803.16+183046.47, RX J1148.0+1830, TIC 87480677, [ZEH2003] RX J1148.0+1830 2, PG 1145+188, FAUST 2933, WD 1145+187, 1SWASP J114803.16+183046.6, Gaia EDR3 3974868644764927744, HS 1145+1847, 2MASS J11480316+1830464, GALEX J114803.1+183046, 2EUVE J1147+18.5, 2RE J114802+183059, USNO-B1.0 1085-00197676, Gaia DR2 3974868644764927744, RE J114802+183028, [BAE2000] 73, SDSS J114803.17+183046.9, EUVE J1147+18.5, RE J1148+183, 2RE J1148+183

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 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 11 48 03.18 (0.04) 11 48 03.18 (0.05) 11 48 03.18 11 48 03.16 (0.04) 11 48 03.18 11 48 04.06
Declination 18 30 47.56 (0.03) 18 30 47.53 (0.05) 18 30 47.56 18 30 46.47 (0.03) 18 30 47.53 18 31 01.56
Spectral type DA DA DA DA DA DA1.8 DA2
Effective temperature [K] 27019.0 (381) 27019.0 (380) 25842.0 27390.0 (405) 27167.0 (27) 30226.0 (483)
log(g) [cgs] 7.92 (0.01) 7.92 (0.01) 7.86 7.87 (0.05) 7.80 (0.004) 8.06 (0.02)
Mass [M☉] 0.595 (0.01) 0.595 (0.01) 0.563 0.57 (0.02) 0.681 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0153
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] 14.54 (0.04) 14.55 (0.07) 14.54 14.54 (0.04) 14.55 (0.07)
Distance [pc] 68.76 (0.2) 68.73 (0.3) 71.00 68.76 68.76 (0.2) 68.73 (0.3)
Composition H H H
Proper motion (right ascension) [mas/yr] 17.39125707 (0.05) 17.45393059 (0.1) 17.391 (0.04) 17.45393059
Proper motion (declination) [mas/yr] 68.60883858 (0.03) 68.65599061 (0.08) 68.609 (0.03) 68.65599061
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.69
V magnitude 14.22 14.38
R magnitude 14.60
I magnitude
J magnitude 14.88 (0.03)
H magnitude 14.94 (0.07)
K magnitude 15.11 (0.1)
u magnitude 13.85 (0.004) 13.85 (0.004) 13.89
g magnitude 15.80 (0.01) 15.80 (0.01) 14.01
r magnitude 14.46 (0.003) 14.46 (0.003) 14.46
i magnitude 14.79 (0.003) 14.79 (0.003) 14.79
z magnitude 15.11 (0.005) 15.11 (0.005) 15.08
G magnitude 14.25 (0.001) 14.26 14.25 14.25 (0.003) 14.26
BP magnitude 14.12 (0.001) 14.07 14.07
RP magnitude 14.50 (0.002) 14.50 14.50
Pan g magnitude 14.08 (0.003)
Pan r magnitude 14.48 (0.002)
Pan i magnitude 14.84 (0.002)
Pan z magnitude 15.11 (0.003)
Pan y magnitude 15.30 (0.004)
E(B-V) 0.002

* 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.