All names: TIC 441792937, * 29 Dra, HIP 85852, RE J1732+741, GSC 04427-00661, SKY# 31664, uvby98 100160538, 2XMM J173247.2+741403, IRAS 17340+7415, BD+74 717, V* DR Dra, 1ES 1734+74.2, AG+74 491, RX J1732.6+7413, 2RE J173245+741353, CABS 144, SAO 8842, SBC9 2002, CCABS 115, EUVE J1732+74.2, RBS 1653, AGKR 15692, [FS2003] 0901, RX J1732.8+7413, GEN# +1.00160538, UBV 15026, FK5 3396, Gaia DR3 1655646778064790528, Gaia EDR3 1655646778064790528, TYC 4427-661-1, 2MASS J17324120+7413383, HD 160538, [ZEH2003] RX J1732.6+7413 1, [ATZ98] E221, WD 1734+742, RE J173245+741340, 2RE J1732+741, Gaia DR2 1655646778064790528, 1RXS J173241.3+741337, UBV M 22325, WEB 14491, GC 23865, 2EUVE J1732+74.2, PPM 9552, GCRV 10169, HIC 85852, 2RXP J173248.8+741320
| 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
Spectra without link are available upon request
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.