WD 1734+742

All names: FK5 3396, EUVE J1732+74.2, * 29 Dra, SAO 8842, RE J1732+741, WD 1734+742, GC 23865, RX J1732.6+7413, V* DR Dra, 2MASS J17324120+7413383, 2RXP J173248.8+741320, 2XMM J173247.2+741403, SKY# 31664, Gaia DR3 1655646778064790528, PPM 9552, HIC 85852, uvby98 100160538, 1RXS J173241.3+741337, WEB 14491, 2EUVE J1732+74.2, TYC 4427-661-1, RBS 1653, IRAS 17340+7415, 1ES 1734+74.2, TIC 441792937, 2RE J173245+741353, RE J173245+741340, UBV M 22325, UBV 15026, AGKR 15692, HIP 85852, AG+74 491, HD 160538, CABS 144, GSC 04427-00661, RX J1732.8+7413, SBC9 2002, Gaia EDR3 1655646778064790528, 2RE J1732+741, GEN# +1.00160538, [ZEH2003] RX J1732.6+7413 1, GCRV 10169, [ATZ98] E221, [FS2003] 0901, Gaia DR2 1655646778064790528, BD+74 717, CCABS 115

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 17 32 40.95 (0.3) 17 32 40.96 (0.2) 17 32 41.22 (0.3) 17 32 41.64
Declination 74 13 38.97 (0.4) 74 13 38.95 (0.2) 74 13 38.49 (0.4) 74 13 33.96
Spectral type K0+DA1.5 DA1.5+K0
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.64 (0.4) 8.61 (0.2) 11.64 (0.4)
Distance [pc] 85.94 (3) 116.08 (2) 85.94 (3)
Composition
Proper motion (right ascension) [mas/yr] -67.01419431 (0.4) -73.187 (0.4) -67.014 (0.4)
Proper motion (declination) [mas/yr] 29.73214843 (0.5) 39.075 (0.4) 29.732 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 7.69 (0.02)
V magnitude 6.63 (0.01)
R magnitude
I magnitude
J magnitude 4.92 (0.3)
H magnitude 4.22 (0.2)
K magnitude 4.09 (0.4)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 6.28 (0.008) 6.30 6.28 (0.004)
BP magnitude 6.84 (0.008) 6.90
RP magnitude 5.56 (0.007) 5.61
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.009

* 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.