WD 2027+067

All names: Gaia EDR3 1748816983925915776, TIC 374411850, WD 2027+067, SDSS J203003.18+065458.2, WDJ203003.14+065457.36, LP 575-17, SDSS J203003.17+065458.2, GALEX J203003.1+065458, J2030+0655, LSPM J2030+0654, Gaia DR3 1748816983925915776, Gaia DR2 1748816983925915776, NLTT 49346, 2MASS J20300314+0654575, USNO-B1.0 0969-00605073

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 20 30 03.27 (0.06) 20 30 03.27 (0.08) 20 30 03.27 20 30 03.14 (0.06) 20 30 03.27 20 30 03.41
Declination 06 55 00.38 (0.05) 06 55 00.29 (0.07) 06 55 00.38 06 54 57.36 (0.05) 06 55 00.29 06 55 06.24
Spectral type DA DA DA DA DA DA DA
Effective temperature [K] 5926.0 (22) 5942.0 (20) 5926.0 (23) 5860.0 5985.0 (40)
log(g) [cgs] 8.12 (0.008) 8.13 (0.008) 8.12 (0.008) 8.10 8.14 (0.01)
Mass [M] 0.665 (0.007) 0.669 (0.007) 0.664 (0.008) 0.646 0.678 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 3.2900 3.0330
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] 24.30 (0.08) 24.27 (0.1) 24.27 (0.1) 24.30 24.30 (0.08) 24.27 (0.1)
Distance [pc] 41.15 (0.1) 41.20 (0.2) 41.20 (0.2) 41.15 41.15 (0.1) 41.20 (0.2)
Composition H H H
Proper motion (right ascension) [mas/yr] 121.1291567 (0.09) 121.2825416 (0.2) 121.129 (0.09) 121.2825416
Proper motion (declination) [mas/yr] 189.087445 (0.07) 189.2234916 (0.1) 189.087 (0.07) 189.2234916
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 18.60
V magnitude
R magnitude 17.60
I magnitude
J magnitude 16.36 (0.01) 16.19 (0.1)
H magnitude
K magnitude
u magnitude 18.62 (0.02) 18.62 (0.02) 18.62 (0.02)
g magnitude 17.70 (0.005) 17.70 (0.005)
r magnitude 17.30 (0.005) 17.30 (0.005)
i magnitude 17.15 (0.006) 17.15 (0.006)
z magnitude 17.10 (0.01) 17.10 (0.01)
G magnitude 17.32 (0.007) 17.34 17.32 17.32 (0.003) 17.34
BP magnitude 17.64 (0.007) 17.66 17.66
RP magnitude 16.84 (0.007) 16.86 16.86
Pan g magnitude 17.68 (0.006) 17.68 (0.006)
Pan r magnitude 17.32 (0.003) 17.32 (0.003)
Pan i magnitude 17.18 (0.002) 17.18 (0.002)
Pan z magnitude 17.16 (0.006) 17.16 (0.006)
Pan y magnitude 17.16 (0.01) 17.16 (0.01)
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.