All names: [SGR2010] J1555+2715, Gaia DR3 1223478338289175296, Gaia EDR3 1223478338289175296, TIC 258109577, 2MASS J15553999+2715539, SDSS J155540.00+271553.8, GALEX J155540.0+271554, Gaia DR2 1223478338289175296, WD 1553+274
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 55 40.02 (0.06) | 15 55 40.00 | 15 55 40.02 (0.1) | 15 55 40.00 | 15 55 40.00 (0.06) | 15 55 39.29 | |||
| Declination | 27 15 53.62 (0.09) | 27 15 53.77 | 27 15 53.62 (0.1) | 27 15 53.86 | 27 15 53.82 (0.09) | 27 15 48.60 | |||
| Spectral type | DC+M | DC+M3 | DC+M3 | ||||||
| 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] | 2.90 (0.1) | 2.84 (0.2) | 2.90 (0.1) | |||||
| Distance | [pc] | 344.76 (14) | 352.63 (21) | 344.76 (14) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 18.87639827 (0.08) | 18.52941721 (0.2) | 18.876 (0.08) | |||||
| Proper motion (declination) | [mas/yr] | -12.98807143 (0.1) | -13.22724584 (0.3) | -12.988 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.35 (0.06) | ||||||||
| H magnitude | 14.86 (0.07) | ||||||||
| K magnitude | 14.38 (0.09) | ||||||||
| u magnitude | 19.45 (0.02) | 19.74 | 19.34 (0.03) | 19.34 | |||||
| g magnitude | 19.10 (0.01) | 19.38 | 19.05 (0.009) | 19.05 | |||||
| r magnitude | 18.52 (0.008) | 18.82 | 18.49 (0.008) | 18.49 | |||||
| i magnitude | 17.48 (0.006) | 17.79 | 17.43 (0.007) | 17.43 | |||||
| z magnitude | 16.80 (0.009) | 17.09 | 16.77 (0.01) | 16.77 | |||||
| G magnitude | 18.03 (0.02) | 18.04 | 18.03 (0.003) | ||||||
| BP magnitude | 18.95 (0.02) | 18.94 | |||||||
| RP magnitude | 16.99 (0.005) | 17.01 | |||||||
| Pan g magnitude | 19.03 (0.007) | ||||||||
| Pan r magnitude | 18.52 (0.005) | ||||||||
| Pan i magnitude | 17.46 (0.004) | ||||||||
| Pan z magnitude | 16.89 (0.004) | ||||||||
| Pan y magnitude | 16.60 (0.009) | ||||||||
| E(B-V) | 0.034 | ||||||||
* 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.