WD 1149+057

All names: LP 553-57, Gaia EDR3 3897445571422443904, USNO-B1.0 0954-00206944, WD 1149+057, NLTT 28795, 2MASS J11515419+0528398, SDSS J115154.21+052839.3, PG 1149+058, LAMOST J115154.21+052839.3, EPIC 201806008, WDJ115154.21+052839.58, 1SWASP J115154.20+052839.7, Gaia DR2 3897445571422443904, Gaia DR3 3897445571422443904, 11519+0528, UCAC4 478-052159, PG 1149+057, PM J11519+0528, LSPM J1151+0528, TIC 366681966

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2026b MWDD H Gaia DR2 Stilism Guo et al. 2015 Limoges et al. 2015 Gianninas et al. 2011 Koester et al. 2009 Voss et al. 2006 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 51 54.24 (0.03) 11 51 54.24 (0.05) 11 51 54.24 11 51 54.21 (0.03) 11 51 54.24 11 51 54.02
Declination 05 28 36.00 (0.03) 05 28 36.11 (0.04) 05 28 36.00 05 28 39.58 (0.03) 05 28 36.11 05 28 42.60
Spectral type DA DA DA DA DA DA DA4.4 DA4
Effective temperature [K] 10449.0 (74) 10533.0 11100.0 (160) 11360.0 (167) 11023.0 (21) 11060.0 10839.0 (73)
log(g) [cgs] 7.93 (0.01) 7.96 8.07 (0.05) 8.21 (0.05) 8.06 (0.01) 8.06 8.01 (0.009)
Mass [M☉] 0.562 (0.008) 0.58 0.64 (0.03) 0.73 (0.03) 0.606 (0.007)
log(Luminosity) [L☉] -2.69
Cooling age [Gyr] 0.5011
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/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(Cl/H)
log(K/H)
log(Sc/H)
log(Ti/H)
log(V/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Co/H)
log(Ni/H)
log(Cu/H)
log(Sr/H)
Parallax [mas] 24.80 (0.04) 24.79 (0.06) 24.80 24.80 (0.04) 24.79 (0.06)
Distance [pc] 40.32 (0.07) 40.34 (0.1) 40.20 (1) 36.00 40.32 40.32 (0.07) 40.34 (0.1)
Composition H H H H
Proper motion (right ascension) [mas/yr] 31.19001061 (0.04) 31.11025108 (0.1) 31.19 (0.04) 31.11025108
Proper motion (declination) [mas/yr] -224.2382036 (0.03) -224.2217361 (0.06) -224.238 (0.04) -224.2217361
Variability VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.14 (0.05)
V magnitude 14.91 15.40
R magnitude 15.07 (0.05)
I magnitude
J magnitude 15.01 (0.004)
H magnitude 14.98 (0.009)
K magnitude 15.03 (0.02)
u magnitude 15.37 (0.004) 15.40 (0.004)
g magnitude 14.94 (0.003) 14.95 (0.003)
r magnitude 15.06 (0.003) 15.08 (0.003)
i magnitude 15.22 (0.004) 15.23 (0.004)
z magnitude 15.44 (0.005) 15.45 (0.005)
G magnitude 14.96 (0.003) 14.98 14.96 14.96 (0.003) 14.98
BP magnitude 14.99 (0.003) 14.98 14.98
RP magnitude 14.93 (0.003) 14.94 14.94
Pan g magnitude 14.95 (0.007)
Pan r magnitude 15.05 (0.0004)
Pan i magnitude 15.23 (0.01)
Pan z magnitude 15.38 (0.02)
Pan y magnitude 15.46 (0.01)
E(B-V) 0.001
Period #1 [s] 1023.5
Amplitude #1 [mma] 10.5

* 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.