GD 178

All names: LSPM J1511+3204, ASCC 592125, Gaia EDR3 1276688069644366592, GCRV 21678, Gaia DR3 1276688069644366592, TIC 67834584, CBS 397, PG 1509+323, USNO 286, GD 178, USNO-B1.0 1220-00274695, uvby98 610060178, 15114+3204, EGGR 191, SDSS J151127.58+320418.1, J1511+3204, [TFW97] J151127.72+320417.64, GALEX J151127.4+320418, PLX 3429.02, GEN# +6.10060178, WDJ151127.63+320417.92, WD 1509+322, Gaia DR2 1276688069644366592, 1SWASP J151127.61+320417.9, PM J15114+3204, UBV M 43050, 2MASS J15112765+3204178, WD 1509+32, LP 327-193

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Kilic et al. 2020 McCleery et al. 2020 Gaia DR2 Bedard et al. 2017 Stilism Limoges et al. 2015 Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 11 27.42 (0.01) 15 11 27.42 (0.02) 15 11 27.42 (0.02) 15 11 27.42 15 11 27.63 (0.01) 15 11 27.42 15 11 27.74
Declination 32 04 18.90 (0.02) 32 04 18.87 (0.03) 32 04 18.87 (0.03) 32 04 18.90 32 04 17.91 (0.02) 32 04 18.87 32 04 14.52
Spectral type DA DA DA DA DA DA DA DA DA3.5 DA3.5
Effective temperature [K] 14732.0 (124) 14772.0 (218) 14734.0 (126) 14830.1 (79) 14807.0 (259) 14550.0 (272) 14600.0 (278) 15041.0 (78)
log(g) [cgs] 8.09 (0.005) 8.09 (0.02) 8.09 (0.005) 8.09 (0.008) 8.15 (0.05) 8.11 (0.05) 8.10 (0.05) 8.11 (0.004)
Mass [M] 0.668 (0.005) 0.662 (0.01) 0.666 (0.005) 0.68 (0.03) 0.67 (0.03) 0.676 (0.004)
log(Luminosity) [L] -2.23
Cooling age [Gyr]
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] 29.28 (0.02) 29.28 (0.02) 29.22 (0.04) 29.22 (0.04) 20.90 (4) 29.28 29.28 (0.02) 29.22 (0.04) 19.00 (4)
Distance [pc] 34.15 (0.02) 34.15 (0.02) 34.22 (0.05) 34.22 (0.05) 45.70 (9) 47.80 (10) 34.00 34.15 34.15 (0.02) 34.22 (0.05) 52.63 (11)
Composition H H H H
Proper motion (right ascension) [mas/yr] -166.4668211 (0.01) -166.5014394 (0.05) -166.467 (0.01) -166.5014394
Proper motion (declination) [mas/yr] 61.51394305 (0.02) 61.36142088 (0.06) 61.514 (0.02) 61.36142088
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.18
V magnitude
R magnitude 14.40
I magnitude
J magnitude 14.44 (0.03)
H magnitude 14.57 (0.06)
K magnitude 14.57 (0.09)
u magnitude 14.48 (0.004) 14.48 (0.004) 14.24
g magnitude 14.21 (0.004) 14.21 (0.004) 14.02
r magnitude 16.38 (0.01) 16.38 (0.01) 16.91
i magnitude 14.77 (0.005) 14.77 (0.005) 14.53
z magnitude 14.91 (0.005) 14.91 (0.005) 14.82
G magnitude 14.14 (0.001) 14.16 14.16 14.14 14.14 (0.003) 14.16
BP magnitude 14.11 (0.001) 14.09 14.09
RP magnitude 14.24 (0.0007) 14.24 14.24
Pan g magnitude 14.05 (0.008)
Pan r magnitude 14.29 (0.002)
Pan i magnitude 14.56 (0.002)
Pan z magnitude 14.79 (0.0009)
Pan y magnitude 14.97 (0.001)
E(B-V) 0.003

* 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.