GJ 2080

All names: LSPM J1029+1127, G 43-54, Gaia EDR3 3882611201058534400, LHS 2273, SDSS J102907.55+112718.3, 10291+1127, Gaia DR2 3882611201058534400, GJ 2080, NLTT 24473, GALEX J102907.6+112718, 2MASS J10290747+1127193, J1029+1127, PM J10291+1127, LTT 12808, WDJ102907.46+112719.28, GEN# +9.80043054, WD 1026+117, PSO J157.2822+11.4544, WD 1026+11, SDSS J102907.54+112718.3, USNO-B1.0 1014-00185042, Gaia DR3 3882611201058534400, TIC 392797216

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Hardy et al. 2023a Caron et al. 2023 Kilic et al. 2020 McCleery et al. 2020 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Limoges et al. 2015 Bergeron et al. 1997 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 10 29 07.88 (0.06) 10 29 07.87 (0.07) 10 29 07.87 (0.07) 10 29 07.88 10 29 07.46 (0.06) 10 29 07.87 10 29 18.10
Declination 11 27 14.37 (0.05) 11 27 14.52 (0.05) 11 27 14.52 (0.05) 11 27 14.37 11 27 19.28 (0.05) 11 27 14.52 11 27 31.68
Spectral type DAH DAH DAH DAH DAH DAH DAH DA DA DAP DC: DAP7 DC8
Effective temperature [K] 6796.0 (28) 6878.0 (87) 6690.5 (72) 7041.0 (25) 6814.0 (38) 6790.4 (71) 6905.0 (60) 6999.0 7160.0 (170) 6940.0 (116) 7160.0 (170) 6030.0 (67)
log(g) [cgs] 8.24 (0.005) 8.26 (0.03) 8.20 (0.1) 8.34 (0.005) 8.25 (0.008) 8.23 (0.03) 8.28 (0.02) 8.30 8.00 (0) 8.00 (0) 7.96 (0.02)
Mass [M] 0.744 (0.005) 0.752 (0.02) 0.716242389445938 (0.1) 0.806 (0.005) 0.749 (0.007) 0.771 (0.01) 0.783 0.59 0.59 (0.1) 0.59 0.546 (0.01)
log(Luminosity) [L] -3.47 -3.41
Cooling age [Gyr] 3.1200 2.8130 (0.1) 2.8300 1.5100
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] 29.63 (0.06) 29.63 (0.06) 29.65 (0.07) 29.65 (0.07) 29.65 (0.07) 29.65 (0.07) 29.63 29.63 (0.06) 29.65 (0.07)
Distance [pc] 33.76 (0.07) 33.75 (0.07) 33.73 (0.08) 33.72 (0.08) 33.72 (0.08) 33.72 (0.08) 40.00 (7) 33.76 33.76 (0.07) 33.72 (0.08)
Composition H H H H H H H
Proper motion (right ascension) [mas/yr] 383.2209425 (0.08) 383.2620742 (0.1) 383.221 (0.08) 383.2620742
Proper motion (declination) [mas/yr] -306.7305592 (0.06) -306.7592618 (0.1) -306.731 (0.06) -306.7592618
Variability
Magnetic yes yes yes
Bd [MG] 19.18130476125924 18
Infrared excess (disk)
Binarity
B magnitude 17.09 17.20
V magnitude 16.65
R magnitude 16.38 16.20
I magnitude 16.17
J magnitude 15.88 (0.007) 15.90 (0.1) 15.93 15.90 (0.1)
H magnitude 15.76 (0.01) 15.55 (0.1) 15.83 15.55 (0.1)
K magnitude 15.71 (0.02) 15.68
u magnitude 17.34 (0.01) 17.34 (0.01) 17.34 (0.01)
g magnitude 16.72 (0.005) 16.69 (0.004)
r magnitude 16.53 (0.006) 16.49 (0.004)
i magnitude 16.45 (0.004) 16.45 (0.004)
z magnitude 16.55 (0.001) 16.50 (0.009)
G magnitude 16.50 (0.008) 16.52 16.52 16.50 16.50 (0.003) 16.52
BP magnitude 16.71 (0.008) 16.71 16.71
RP magnitude 16.16 (0.005) 16.16 16.16
Pan g magnitude 16.71 (0.009) 16.71 (0.009) 16.72 (0.005)
Pan r magnitude 16.52 (0.003) 16.52 (0.003) 16.53 (0.006)
Pan i magnitude 16.49 (0.002) 16.49 (0.002) 16.50 (0.02)
Pan z magnitude 16.53 (0.002) 16.53 (0.002) 16.55 (0.001)
Pan y magnitude 16.61 (0.008) 16.61 (0.008) 16.58 (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.