PG 1610+239B

All names: SDSS J161301.55+234830.8, UCAC4 570-054766, WD 1610+239, GALEX J161301.5+234830, Gaia DR3 1302697738753921536, WDJ161301.53+234830.81, TIC 459285614, PG 1610+239B, Gaia EDR3 1302697738753921536, 2MASS J16130153+2348308, LB 9514, SDSS J161301.55+234830.80, SDSS J161301.55+234830.7, [BB93] 25, Gaia DR2 1302697738753921536, PG, PG 1610+239, ALS 19783, [TFW97] J161247.02+234840.54

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Bergeron et al. 2011 Zuckerman et al. 2010 Wegner et al. 1987 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 16 13 01.62 (0.02) 16 13 01.55 16 13 01.62 (0.03) 16 13 01.62 16 13 01.53 (0.02) 16 13 01.62 16 13 00.43 16 13 01.55
Declination 23 48 30.48 (0.03) 23 48 30.77 23 48 30.49 (0.04) 23 48 30.48 23 48 30.82 (0.03) 23 48 30.49 23 48 30.96 23 48 30.75
Spectral type DBA DB DB DB DB DB4 DBA DB4 DBA DB
Effective temperature [K] 13545.0 (118) 13158.0 13687.0 13220.0 13360.0 (334) 14000.0 14000.0 13212.0 (93) 14541.0 (50)
log(g) [cgs] 8.07 (0.009) 7.79 8.09 8.03 8.16 (0.1) 8.03 (0.008) 8.77 (0.03)
Mass [M] 0.628 (0.008) 0.475 0.638 0.606 0.69 (0.07) 0.605 (0.007)
log(Luminosity) [L] -2.43
Cooling age [Gyr] 0.3067 0.3715
log(H/He) -6.0 -5.985 <-5.58 (0.3) <-5
log(C/He)
log(Ca/He) <-11.0
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] 16.65 (0.04) 16.61 (0.05) 16.65 16.65 (0.04) 16.61 (0.05)
Distance [pc] 60.06 (0.1) 60.20 (0.2) 50.00 60.06 60.06 (0.1) 60.20 (0.2)
Composition He He
Proper motion (right ascension) [mas/yr] 77.33191553 (0.03) 77.44883649 (0.07) 77.332 (0.03) 77.449
Proper motion (declination) [mas/yr] -21.29311695 (0.04) -20.99039382 (0.09) -21.293 (0.04) -20.99
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.70
V magnitude 15.34 14.67
R magnitude 16.14 (0.08)
I magnitude
J magnitude 15.75 (0.06)
H magnitude 15.62 (0.1)
K magnitude 15.47 (0.2)
u magnitude 15.35 (0.005) 15.35 (0.005) 15.35 (0.005) (0)
g magnitude 15.39 (0.004) 15.39 (0.004) 15.39 (0.004)
r magnitude 15.63 (0.005) 15.63 (0.005) 15.63 (0.005) (0)
i magnitude 15.86 (0.005) 15.86 (0.005) 15.86 (0.005) (0)
z magnitude 16.08 (0.008) 16.08 (0.008) 16.08 (0.008) (0)
G magnitude 15.50 (0.002) 15.52 15.50 15.50 (0.003) 15.52
BP magnitude 15.47 (0.002) 15.42 15.42
RP magnitude 15.54 (0.002) 15.54 15.54
Pan g magnitude 15.43 (0.005)
Pan r magnitude 15.65 (0.003)
Pan i magnitude 15.88 (0.003)
Pan z magnitude 16.10 (0.003)
Pan y magnitude 16.22 (0.006)
E(B-V) 0.006

* 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.