PG 1133+489

All names: SDSS J113609.59+484318.9, 2MASS J11360960+4843187, USNO-B1.0 1387-00218266, TIC 459790966, SDSS J113609.60+484318.8, PG 1133+489, GALEX J113609.6+484318, WDS J11362+4843AB, Gaia DR2 790413178065344512, Gaia EDR3 790413178065344512, SBSS 1133+489, WD 1133+489, Gaia DR3 790413178065344512, LAMOST J113609.59+484318.9, WIRED J113609.59+484318.9, [HHD2009] SDSS J1136+4843, SDSS J113609.56+484318.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Guo et al. 2015 Eisenstein et al. 2006 Hugelmeyer et al. 2006 Dreizler et al. 1996 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 36 09.58 (0.05) 11 36 09.60 11 36 09.58 (0.09) 11 36 09.59 11 36 09.59 11 36 09.58 11 36 09.60 (0.05) 11 36 09.14 11 36 09.59
Declination 48 43 18.77 (0.08) 48 43 18.92 48 43 18.78 (0.1) 48 43 18.91 48 43 18.96 48 43 18.77 48 43 18.93 (0.08) 48 43 18.12 48 43 18.91
Spectral type DO+M DB+M DB+M DO+M DO DB DB+dM DO1 DB+M DB+MS
Effective temperature [K] 46218.0 (119) 31324.0 (234) 45000.0 (100) 48000.0 (100) 30290.0 (1024) 46667.0 (43)
log(g) [cgs] 7.82 (0.04) 7.80 (0.03) 7.62 (0.02) 8.00 (0.04) 7.34 (0.04) 7.71 (0.03)
Mass [M] 0.56 (0.02) 0.64 0.356 (0.01)
log(Luminosity) [L] -0.02 (0.02)
Cooling age [Gyr] 0.0027 (0.0001)
log(H/He)
log(C/He) <-5
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He) <-4.0
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.76 (0.1) 2.00 (0.2) 2.76 2.76 (0.1)
Distance [pc] 362.76 (15) 501.25 (42) 129.00 (7) 362.76 362.75 (15)
Composition He
Proper motion (right ascension) [mas/yr] -7.252634887 (0.06) -7.634849981 (0.1) -7.253 (0.06)
Proper motion (declination) [mas/yr] -9.871618295 (0.1) -9.451253289 (0.2) -9.872 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS yes WDMS WDMS
B magnitude 16.20
V magnitude 14.22
R magnitude
I magnitude
J magnitude 16.19 (0.1)
H magnitude 15.68 (0.1)
K magnitude 15.41 (0.2)
u magnitude 16.43 (0.006) 16.43 16.43 (0.03) 16.43 (0.006) 16.42 16.42 (0.03)
g magnitude 16.83 (0.004) 16.84 16.84 (0.03) 16.83 (0.004) 16.83 16.85 (0.03)
r magnitude 17.34 (0.005) 17.33 17.33 (0.02) 17.34 (0.005) 17.33 17.34 (0.02)
i magnitude 17.48 (0.006) 17.51 17.51 (0.02) 17.48 (0.006) 17.51 17.50 (0.02)
z magnitude 17.39 (0.01) 17.39 17.39 (0.02) 17.39 (0.01) 17.38 17.41 (0.02)
G magnitude 17.05 (0.005) 17.05 17.05 17.05 (0.003)
BP magnitude 16.94 (0.005) 16.87
RP magnitude 17.08 (0.007) 17.06
Pan g magnitude 16.93 (0.004)
Pan r magnitude 17.34 (0.003)
Pan i magnitude 17.48 (0.003)
Pan z magnitude 17.38 (0.004)
Pan y magnitude 17.28 (0.009)
E(B-V) 0.019

* 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.