GD 184

All names: SDSS J153210.05+135615.1, GD 184, GEN# +6.10060184, J1532+1356, SDSS J153210.04+135615.0, WIRED J153210.05+135615.0, 1529+141, GALEX J153210.0+135614, SDSS J153210.05+135615.0, GJ 2115, NLTT 40489, USNO-B1.0 1039-00238085, 2MASS J15321003+1356164, WD 1529+141, LP 503-7, Gaia EDR3 1193974077628437760, WDJ153210.05+135616.11, Gaia DR2 1193974077628437760, Gaia DR3 1193974077628437760, LSPM J1532+1356, TIC 141417966

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 Leggett et al. 2018 MWDD H MWDD HE Gaia DR2 Stilism Giammichele et al. 2012 Kawka et Vennes 2006 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 32 10.07 (0.1) 15 32 10.05 15 32 10.06 (0.1) 15 32 10.07 15 32 10.05 (0.1) 15 32 10.06 15 32 09.50 15 32 10.05
Declination 13 56 13.12 (0.1) 13 56 15.06 13 56 13.22 (0.1) 13 56 13.12 13 56 16.08 (0.1) 13 56 13.22 13 56 11.40 13 56 15.08
Spectral type DA+DQ DA+DQ DA DA: DQA DA DA9.6 DQA DA
Effective temperature [K] 7761.0 (16) 8409.0 8230.0 8856.0 (355) 5250.0 (200) 8901.0 (86) 10104.0 (38)
log(g) [cgs] 7.31 (0.01) 7.66 7.57 (0) 8.00 (0.5) 7.78 (0.02) 9.44 (0.4)
Mass [M] 0.263 (0.006) 0.416 0.358 0.6 (0) 0.58 (0.2) 0.477 (0.01)
log(Luminosity) [L] -3.04
Cooling age [Gyr] 0.5600 0.6331 0.6338 0.8300
log(H/He)
log(C/He) -5.92
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
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] 14.25 (0.1) 14.32 (0.2) 14.61 (0.6) 14.32 (0.2) 14.25 14.25 (0.1) 14.32 (0.2)
Distance [pc] 70.15 (0.7) 69.83 (0.8) 68.45 (3) 69.85 (0.8) 60.70 (4) 22.00 70.15 70.15 (0.7) 69.85 (0.8)
Composition He H
Proper motion (right ascension) [mas/yr] 18.64894095 (0.2) 17.92684229 (0.2) 18.649 (0.2) 17.927
Proper motion (declination) [mas/yr] -184.456483 (0.1) -186.3590497 (0.2) -184.456 (0.1) -186.359
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.26
V magnitude
R magnitude 16.40
I magnitude
J magnitude 16.12 (0.03) 16.12 16.12 (0.1)
H magnitude 15.92 (0.03) 15.92 15.92 (0.2)
K magnitude 16.44 (0.03) 16.44
u magnitude 16.87 (0.008) 16.87 (0.008) 16.87 (0.008) 16.87 (0.008) 16.89 (0.02)
g magnitude 16.55 (0.004) 16.56 16.55 (0.004) 16.55 (0.004) 16.59 (0.01)
r magnitude 16.58 (0.005) 16.58 16.58 (0.005) 16.58 (0.005) 16.58 (0.01)
i magnitude 16.64 (0.006) 16.64 16.64 (0.006) 16.64 (0.006) 16.62 (0.02)
z magnitude 16.77 (0.01) 16.77 16.77 (0.01) 16.77 (0.01) 16.78 (0.02)
G magnitude 16.51 (0.004) 16.53 16.51 16.51 (0.003) 16.53
BP magnitude 16.61 (0.004) 16.60 16.60
RP magnitude 16.33 (0.005) 16.33 16.33
Pan g magnitude 16.60 (0.002) 16.60 (0.002)
Pan r magnitude 16.58 (0.004) 16.58 (0.004)
Pan i magnitude 16.65 (0.004) 16.65 (0.004)
Pan z magnitude 16.75 (0.001) 16.75 (0.001)
Pan y magnitude 16.82 (0.005) 16.82 (0.005)
E(B-V) 0.008

* 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.