All names: SDSS J123305.15+170133.35, Gaia DR2 3945908053949549184, 4FGL J1233.1+1703, [BSF97] J123305.1+170133, [MML2015] 5BZB J1233+1701, SDSS J123305.14+170133.3, Gaia DR3 3945908053949549184, LAMOST J123305.15+170133.3, LBQS 1230+1718, 2MASS J12330514+1701333, USNO-B1.0 1070-00236328, RX J1233.0+1701, [MGL2009] BZB J1233+1701, Gaia EDR3 3945908053949549184, SDSS J123305.15+170133.3, WISE J123305.15+170133.2, 3HSP J123305.1+170133, TIC 87532610, WISEA J123305.13+170133.3, RGB J1233+170
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 12 33 05.14 (0.2) | 12 33 05.15 | 12 33 05.14 (0.2) | 12 33 05.14 (0.2) | ||
| Declination | 17 01 33.35 (0.1) | 17 01 33.36 | 17 01 33.35 (0.2) | 17 01 33.35 (0.1) | ||
| Spectral type | DC | |||||
| Effective temperature | [K] | 6302.0 (7) | ||||
| log(g) | [cgs] | 10.00 (0) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | -0.13 (0.2) | -0.43 (0.3) | |||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -0.052178399 (0.2) | -0.511813823 (0.5) | -0.052 (0.2) | ||
| Proper motion (declination) | [mas/yr] | 0.207944545 (0.2) | 0.202504692 (0.3) | 0.208 (0.2) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 19.00 | |||||
| V magnitude | ||||||
| R magnitude | 17.50 | |||||
| I magnitude | ||||||
| J magnitude | 15.91 (0.06) | |||||
| H magnitude | 15.13 (0.07) | |||||
| K magnitude | 14.47 (0.07) | |||||
| u magnitude | 18.25 (0.01) | 18.26 (0.02) | 18.26 (0.02) | |||
| g magnitude | 17.92 (0.006) | 17.94 (0.03) | 17.91 (0.006) | |||
| r magnitude | 17.68 (0.007) | 17.67 (0.02) | 17.68 (0.007) | |||
| i magnitude | 17.46 (0.007) | 17.45 (0.02) | 17.45 (0.007) | |||
| z magnitude | 17.25 (0.01) | 17.26 (0.03) | 17.25 (0.01) | |||
| G magnitude | 18.46 (0.03) | 18.49 | 18.46 (0.01) | |||
| BP magnitude | 18.71 (0.03) | 18.69 | ||||
| RP magnitude | 17.83 (0.04) | 17.88 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | ||||||
* 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.