Gaia DR2 980918204822332416

All names: LSPM J0705+5142, LP 122-34, J0705+5142, USNO-B1.0 1417-00194631, Gaia DR3 980918204822332416, Gaia EDR3 980918204822332416, 0701+517, WDJ070549.32+514250.52, NLTT 17374, Gaia DR2 980918204822332416

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Tremblay et al. 2020 Leggett et al. 2018 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 07 05 49.53 (0.09) 07 05 49.53 (0.1) 07 05 49.53 07 05 49.53 07 05 49.32 (0.09) 07 05 49.53
Declination 51 42 43.15 (0.09) 51 42 43.38 (0.1) 51 42 43.38 51 42 43.15 51 42 50.52 (0.09) 51 42 43.38
Spectral type DA DA DA DA D:9.8 DA DA
Effective temperature [K] 5084.0 (64) 5147.0 (18) 4970.9 (93) 4970.0 (90) 5064.0 (79) 5065.0 4749.0 5160.0 (47)
log(g) [cgs] 8.18 (0.05) 8.24 (0.01) 8.14 (0.07) 8.14 (0.08) 8.26 (0.06) 8.19 7.99 8.22 (0.02)
Mass [M] 0.695 (0.03) 0.737 (0.01) 0.742 (0.06) 0.699 0.559 0.723 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 7.8100 7.3150 (0.4) 7.2330 6.0460
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] 25.11 (0.2) 25.11 (0.2) 25.44 (0.2) 25.44 (0.2) 26.86 (1) 25.44 (0.2) 25.11 25.11 (0.2) 25.44 (0.2)
Distance [pc] 39.83 (0.3) 39.82 (0.3) 39.31 (0.3) 39.31 (0.3) 37.23 (2) 39.31 (0.3) 39.83 39.83 (0.3) 39.31 (0.3)
Composition H H
Proper motion (right ascension) [mas/yr] 126.0421603 (0.1) 126.3032056 (0.3) 126.042 (0.1) 126.3032056
Proper motion (declination) [mas/yr] -460.7190216 (0.08) -461.0869603 (0.2) -460.719 (0.07) -461.0869603
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude 17.60
I magnitude
J magnitude 16.84 (0.02)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.04 (0.01) 18.06 18.06 18.04 18.04 (0.003) 18.06
BP magnitude 18.49 (0.01) 18.50 18.50
RP magnitude 17.42 (0.007) 17.42 17.42
Pan g magnitude 18.59 (0.006) 18.59 (0.005)
Pan r magnitude 18.01 (0.005) 18.01 (0.006)
Pan i magnitude 17.76 (0.004) 17.76 (0.004)
Pan z magnitude 17.69 (0.006) 17.69 (0.005)
Pan y magnitude 17.63 (0.008) 17.63 (0.007)
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.