EGGR 133

All names: GCRV 68535, WD 1940+37, Gaia DR3 2049009329344931200, Gaia DR2 2049009329344931200, UCAC2 45041145, USNO 664, WDJ194213.00+373156.60, LTT 15752, L 1573-31, Gaia EDR3 2049009329344931200, L1573-031, L1573-31, CSI+37-19404, TIC 184065812, PLX 4632.02, WD 1940+374, USNO-B1.0 1275-00413304, LSPM J1942+3731, 2MASS J19421300+3731563, UBV 16766, NLTT 48137, EGGR 133

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD HE Gaia DR2 Bedard et al. 2017 Stilism Koester et al. 2014 Bergeron et al. 2011 Zuckerman et al. 2010 Wegner et al. 1987 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 19 42 12.98 (0.02) 19 42 12.98 (0.03) 19 42 12.98 19 42 13.00 (0.02) 19 42 12.98 19 42 11.52
Declination 37 31 59.97 (0.02) 37 31 59.87 (0.04) 37 31 59.97 37 31 56.60 (0.02) 37 31 59.87 37 31 08.76
Spectral type DB DB DB DB DB DB1 DB4
Effective temperature [K] 15626.0 16851.0 (267) 16630.0 16630.0 (431) 16900.0 16000.0 16804.0 (194)
log(g) [cgs] 7.91 8.07 (0.1) 8.07 8.07 (0.08) 8.01 (0.01)
Mass [M] 0.539 0.68 (0.2) 0.64 (0.05) 0.596 (0.01)
log(Luminosity) [L] -1.99
Cooling age [Gyr] 0.1490 0.1698
log(H/He) <-5.17 (0.3) <-5
log(C/He) <-8.5 <-5
log(Ca/He) <-10.1
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He) <-9.0
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] 20.18 (0.02) 20.10 (0.04) 20.18 20.18 (0.02) 20.10 (0.04) 20.30 (3)
Distance [pc] 49.56 (0.06) 49.75 (0.09) 49.30 (7) 47.00 49.56 49.56 (0.06) 49.75 (0.09) 49.26 (7)
Composition He He He
Proper motion (right ascension) [mas/yr] -14.42949046 (0.02) -14.42049665 (0.06) -14.429 (0.02) -14.42049665
Proper motion (declination) [mas/yr] 211.0359654 (0.03) 210.9345172 (0.06) 211.036 (0.03) 210.9345172
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.42
V magnitude 14.51
R magnitude 14.50
I magnitude
J magnitude 14.88 (0.04)
H magnitude 14.86 (0.07)
K magnitude 15.10 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.48 (0.001) 14.49 14.48 14.48 (0.003) 14.49
BP magnitude 14.41 (0.001) 14.36 14.36
RP magnitude 14.60 (0.001) 14.60 14.60
Pan g magnitude 14.41 (0.003)
Pan r magnitude 14.68 (0.003)
Pan i magnitude 14.96 (0.001)
Pan z magnitude 15.18 (0.003)
Pan y magnitude 15.34 (0.004)
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.