All names: V* ST LMi, ZTF17aaajlfw, Gaia DR3 3996419759863758592, WEB 9798, NAME CW 1103+254, SDSS J110539.77+250628.6, WIRED J110539.76+250628.6, 2MASS J11053977+2506285, Gaia DR2 3996419759863758592, WISE J110539.77+250628.5, 2XMM J110539.7+250628, SBC9 651, WISEA J110539.76+250628.3, UCAC4 576-047880, WD 1102+253, TIC 393796655, AAVSO 1100+25, SDSS J110539.76+250628.6, Gaia EDR3 3996419759863758592
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 05 39.77 (0.06) | 11 05 39.77 | 11 05 39.77 (0.07) | 11 05 39.77 | 11 05 39.77 (0.06) | 11 05 39.34 | 11 05 39.77 | |||
| Declination | 25 06 28.18 (0.06) | 25 06 28.64 | 25 06 28.20 (0.09) | 25 06 28.58 | 25 06 28.75 (0.06) | 25 06 23.40 | 25 06 28.63 | |||
| Spectral type | DH+M | DAH+M | DH M | DAH+M | CV | |||||
| Effective temperature | [K] | 6300.0 (3) | ||||||||
| log(g) | [cgs] | 10.00 (0.003) | ||||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 8.74 (0.07) | 8.83 (0.08) | 8.74 (0.07) | ||||||
| Distance | [pc] | 114.46 (1) | 113.20 (1) | 114.46 (1) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.782063295 (0.07) | 0.974256459 (0.2) | 0.782 (0.07) | ||||||
| Proper motion (declination) | [mas/yr] | -35.58855502 (0.07) | -35.45710677 (0.2) | -35.589 (0.07) | ||||||
| Variability | ||||||||||
| Magnetic | yes | |||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | 16.83 (0.09) | |||||||||
| V magnitude | 16.52 (0.7) | |||||||||
| R magnitude | 15.64 (0.7) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 13.51 (0.03) | |||||||||
| H magnitude | 13.09 (0.04) | |||||||||
| K magnitude | 12.91 (0.03) | |||||||||
| u magnitude | 17.93 (0.01) | 18.02 | 17.98 (0.01) | 18.01 | 18.00 (0.03) | |||||
| g magnitude | 17.56 (0.005) | 17.63 | 17.56 (0.005) | 17.62 | 17.61 (0.02) | |||||
| r magnitude | 17.56 (0.005) | 17.58 | 17.56 (0.005) | 17.57 | 17.58 (0.02) | |||||
| i magnitude | 17.10 (0.005) | 17.01 | 17.10 (0.005) | 17.00 | 17.01 (0.02) | |||||
| z magnitude | 16.36 (0.007) | 16.25 | 16.36 (0.007) | 16.24 | 16.25 (0.02) | |||||
| G magnitude | 16.18 (0.1) | 16.13 | 16.18 (0.05) | |||||||
| BP magnitude | 16.53 (0.1) | |||||||||
| RP magnitude | 15.58 (0.2) | |||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.005 | |||||||||
* 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.