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