PG 1601+581

All names: Gaia DR2 1622697949337226112, UPM J1602+5758, Gaia DR3 1622697949337226112, TIC 313424882, SBSS 1601+581, Gaia EDR3 1622697949337226112, WDJ160241.98+575815.32, UCAC4 740-053525, SDSS J160241.97+575815.4, WD 1601+581, PG 1601+581, J1602+5758, 2MASS J16024197+5758155, LAMOST J160241.97+575814.9, WISE J160241.95+575815.8, [TFW97] J160241.95+575814.30, WISEA J160241.95+575815.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Kilic et al. 2020 McCleery et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Gianninas et al. 2011 Liebert et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 02 41.95 (0.02) 16 02 41.95 (0.03) 16 02 41.95 (0.03) 16 02 41.95 16 02 41.98 (0.02) 16 02 41.95 16 02 41.54
Declination 57 58 16.16 (0.02) 57 58 16.14 (0.03) 57 58 16.14 (0.03) 57 58 16.16 57 58 15.32 (0.02) 57 58 16.14 57 58 11.28
Spectral type DA DA DA DA DA DA DA3.3 DA5
Effective temperature [K] 14997.0 (196) 15563.0 (263) 15002.0 (198) 15615.1 (131) 15029.0 16266.0 15340.0 (248) 14670.0 (238) 15622.0 (114)
log(g) [cgs] 7.98 (0.01) 8.00 (0.02) 7.97 (0.01) 8.01 (0.01) 7.97 8.12 7.97 (0.05) 7.84 (0.05) 8.02 (0.006)
Mass [M] 0.599 (0.008) 0.614 (0.01) 0.594 (0.008) 0.595 0.66 0.6 (0.03) 0.53 (0.02) 0.623 (0.005)
log(Luminosity) [L] -2.06
Cooling age [Gyr] 0.1865 0.1893 0.1995
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] 30.90 (0.02) 30.90 (0.02) 30.72 (0.03) 30.72 (0.03) 30.90 30.90 (0.02) 30.72 (0.03)
Distance [pc] 32.36 (0.02) 32.36 (0.02) 32.55 (0.03) 32.55 (0.03) 42.00 44.00 32.36 32.36 (0.02) 32.55 (0.03)
Composition H H H
Proper motion (right ascension) [mas/yr] -14.20367919 (0.02) -14.20710965 (0.05) -14.204 (0.02) -14.20710965
Proper motion (declination) [mas/yr] 52.69678082 (0.02) 52.8217461 (0.06) 52.697 (0.02) 52.8217461
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.98 (0.1)
V magnitude 14.30 13.75 (0.02)
R magnitude 13.95 (0.2)
I magnitude
J magnitude 14.13 (0.03)
H magnitude 14.30 (0.05)
K magnitude 14.22 (0.06)
u magnitude 14.41 (0.004) 14.41 (0.004)
g magnitude 14.51 (0.003) 14.51 (0.003)
r magnitude 14.20 (0.003) 14.20 (0.003)
i magnitude 14.67 (0.004) 14.67 (0.004)
z magnitude 14.52 (0.005) 14.52 (0.005)
G magnitude 13.81 (0.001) 13.83 13.83 13.81 13.81 (0.003) 13.83
BP magnitude 13.77 (0.001) 13.76 13.76
RP magnitude 13.93 (0.001) 13.94 13.94
Pan g magnitude 13.69 (0.003)
Pan r magnitude 13.97 (0.003)
Pan i magnitude 14.26 (0.003)
Pan z magnitude 14.49 (0.004)
Pan y magnitude 14.64 (0.004)
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.