GD 1706

All names: 2MASS J23530376-2432033, RE J235303-243158, GD 1706, Gaia EDR3 2338275136195124864, GALEX J235303.6-243202, USNO-B1.0 0654-00887089, PHL 580, TIC 34035509, GSC 06982-00634, RE J2353-24, BPS CS 29499-0054, [FS2003] 1204, 2RE J2353-243, WDJ235303.79-243203.39, EC 23504-2448, WD2350-248, EUVE J2353-24.5, EUVE J2353-23.5, Gaia DR2 2338275136195124864, 2RE J235303-243152, Gaia DR3 2338275136195124864, WD 2350-248, RE J2353-243, MCT 2350-2448, 1RXS J235302.9-243200

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Bergeron et al. 2021 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 23 53 03.77 (0.04) 23 53 03.77 (0.06) 23 53 03.80 23 53 03.77 23 53 03.79 (0.04) 23 53 03.77 23 53 03.86
Declination -24 32 03.50 (0.04) -24 32 03.49 (0.04) -24 32 03.00 -24 32 03.50 -24 32 03.39 (0.04) -24 32 03.49 -24 32 00.24
Spectral type DA DA DA DA DA DA1.7 DA
Effective temperature [K] 30556.0 (608) 24947.0 29710.0 (435) 28867.0 (26) 29487.0 (49) 30193.0 (575)
log(g) [cgs] 8.41 (0.1) 8.19 8.45 (0.05) 8.38 (0.005) 8.25 (0.01) 8.43 (0.02)
Mass [M] 0.891 (0.06) 0.744 0.91 (0.03) 0.79 0.902 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.0270 0.0403
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] 11.40 (0.05) 11.26 (0.07) 11.40 11.40 (0.05) 11.26 (0.07)
Distance [pc] 87.75 (0.4) 87.00 88.77 (0.6) 79.00 87.75 87.75 (0.4) 88.77 (0.6)
Composition H H H
Proper motion (right ascension) [mas/yr] -15.95924421 (0.05) -15.94227343 (0.1) -15.959 (0.05) -15.94227343
Proper motion (declination) [mas/yr] -6.849535913 (0.05) -6.949935448 (0.09) -6.85 (0.05) -6.949935448
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.21 15.21 15.50
V magnitude 15.40
R magnitude
I magnitude
J magnitude 15.96 (0.07)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.37 (0.003) 15.38 15.37 15.37 (0.003) 15.38
BP magnitude 15.23 (0.003) 15.19 15.19
RP magnitude 15.65 (0.002) 15.65 15.65
Pan g magnitude 15.23 (0.005)
Pan r magnitude 15.60 (0.002)
Pan i magnitude 15.96 (0.002)
Pan z magnitude 16.24 (0.004)
Pan y magnitude 16.43 (0.004)
E(B-V) 0.001

* 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.