PG 0950+078

All names: SDSS J095259.09+073107.2, 2MASS J09525908+0731076, WDJ095259.08+073107.49, J0952+0731, SDSS J095259.11+073106.38, Gaia DR3 3853660510143027200, TIC 377064855, SDSS J095259.11+073106.3, Gaia EDR3 3853660510143027200, USNO-B1.0 0975-00222951, SDSS J095259.11+073106.4, PG 0950+078, SDSS J095259.08+073107.1, WD 0950+077, GALEX J095259.0+073106, HS 0950+0745, Gaia DR2 3853660510143027200

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 SDSS DR12 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Gianninas et al. 2011 Koester et al. 2009 Mukadam et al. 2004 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 09 52 59.13 (0.04) 09 52 59.09 09 52 59.09 09 52 59.12 (0.06) 09 52 59.13 09 52 59.08 (0.04) 09 52 59.12 09 52 58.51
Declination 07 31 06.02 (0.04) 07 31 07.19 07 31 07.19 07 31 06.06 (0.06) 07 31 06.02 07 31 07.49 (0.04) 07 31 06.06 07 31 08.76
Spectral type DA DA DA DA DA DA DA3.3 DA DA4 DA
Effective temperature [K] 15379.0 (123) 15369.0 (124) 14844.0 15734.0 (41) 15450.0 (266) 15623.0 (37) 12000.0 15526.0 (163)
log(g) [cgs] 8.01 (0.007) 8.03 (0.009) 7.99 8.09 (0.01) 8.08 (0.05) 7.89 (0.006) 8.02 (0.01)
Mass [M] 0.617 (0.006) 0.628 (0.008) 0.606 0.662 (0.005) 0.66 (0.03) 0.622 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 0.2002
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] 11.77 (0.05) 11.94 (0.07) 11.77 11.77 (0.05) 11.94 (0.07)
Distance [pc] 84.93 (0.4) 83.76 (0.5) 125.00 84.93 84.93 (0.4) 83.76 (0.5)
Composition H H H
Proper motion (right ascension) [mas/yr] 43.51581362 (0.05) 43.67249911 (0.1) 43.516 (0.05) 43.672
Proper motion (declination) [mas/yr] -91.87071946 (0.04) -92.03507324 (0.1) -91.871 (0.04) -92.035
Variability NOV NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.12 16.12
V magnitude
R magnitude 17.50
I magnitude
J magnitude 16.28 (0.007)
H magnitude 16.35 (0.02)
K magnitude 16.41 (0.03)
u magnitude 16.04 (0.005) 16.04 (0.005) 16.05 (0.03) 16.04 (0.005) 16.04 (0.005)
g magnitude 15.76 (0.004) 15.76 (0.004) 15.79 (0.03) 15.76 (0.004) 15.76 (0.004)
r magnitude 16.06 (0.004) 16.06 (0.004) 16.05 (0.02) 16.06 (0.004) 16.06 (0.004)
i magnitude 16.32 (0.005) 16.32 (0.005) 16.33 (0.02) 16.32 (0.005) 16.32 (0.005)
z magnitude 16.61 (0.009) 16.61 (0.009) 16.61 (0.01) 16.61 (0.009) 16.61 (0.009)
G magnitude 15.93 (0.002) 15.95 15.93 15.93 (0.003) 15.95
BP magnitude 15.89 (0.002) 15.87 15.87
RP magnitude 16.04 (0.003) 16.04 16.04
Pan g magnitude 15.80 (0.003)
Pan r magnitude 16.07 (0.002)
Pan i magnitude 16.36 (0.002)
Pan z magnitude 16.58 (0.002)
Pan y magnitude 16.74 (0.006)
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.