All names: SKY# 32914, IRAS 18032-4815, CMC 228707, CCABS 121, MFU 222, 2MASS J18070025-4814500, Gaia DR3 6707215100624157312, Gaia DR2 6707215100624157312, V* V832 Ara, 2RXP J180700.3-481451, Gaia DR1 6707215096316336896, SBC9 2003, PPM 323741, CD-48 12280, CPC 0 17030, GSC 08361-02023, SAO 228707, TYC 8361-2023-1, Gaia EDR3 6707215100624157312, TIC 365014902, CABS 151, HD 165141, [L91b] 282, CPD-48 9658, HIC 88743, WD 1803-482, HIP 88743, GC 24648
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 18 07 00.25 (0.04) | 18 07 00.25 (0.04) | 18 07 00.25 (0.04) | 18 06 59.64 | ||
| Declination | -48 14 49.99 (0.03) | -48 14 50.00 (0.04) | -48 14 50.20 (0.03) | -48 14 49.92 | ||
| Spectral type | K0II/IIIBa1+DA | DA+G8III | ||||
| 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] | 5.47 (0.05) | 5.40 (0.04) | 5.46 (0.05) | ||
| Distance | [pc] | 182.98 (2) | 185.22 (1) | 182.98 (2) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 3.042865216 (0.04) | 3.017 (0.07) | 3.043 (0.04) | ||
| Proper motion (declination) | [mas/yr] | 13.23729572 (0.03) | 14.089 (0.06) | 13.237 (0.03) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 8.10 (0.02) | |||||
| V magnitude | 7.10 (0.01) | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 5.38 (0.02) | |||||
| H magnitude | 4.94 (0.02) | |||||
| K magnitude | 4.80 (0.02) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 6.89 (0.004) | 6.87 | 6.89 (0.003) | |||
| BP magnitude | 7.39 (0.004) | 7.41 | ||||
| RP magnitude | 6.22 (0.003) | 6.23 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.055 | |||||
* 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.