All names: SDSS J124746.52+042009.7, [BEC2010] HRS 255, WVFSCC J124750+041919, NGC 4688, [M98c] 124514.0+043627, [HDL96] 43 24, PSCz Q12452+0436, UGC 7961, UZC J124746.5+042009, LEDA 43189, IRAS 12452+0436, 2MASX J12474646+0420098, Z 43-28, HIPASS J1247+04, Gaia DR3 3705623192293650944, Gaia DR2 3705623188000654592, Z 1245.2+0436, MCG+01-33-013, SDSS J124747.00+041959.2, SDSS J124746.52+042009.78, EVCC 1167, TC 244, SDSS J124746.52+042009.6
| Parameter | Unit | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 12 47 46.52 | 12 47 46.52 (2) | 12 47 46.52 (1) | |||
| Declination | 04 20 09.69 | 04 20 09.76 (1) | 04 20 09.77 (0.7) | |||
| Spectral type | DAZ: | |||||
| Effective temperature | [K] | 89520.0 (6360) | ||||
| log(g) | [cgs] | 7.06 (0.2) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 1.78 (2) | 1.78 (2) | |||
| Distance | [pc] | 560.51 (611) | 560.51 (611) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -1.202287205 (3) | 0.743 (2) | |||
| Proper motion (declination) | [mas/yr] | 1.504556694 (2) | -0.552 (2) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 14.50 | |||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 12.33 (0.09) | |||||
| H magnitude | 11.32 (0.06) | |||||
| K magnitude | 11.16 (0.1) | |||||
| u magnitude | 15.79 (0.01) | 20.26 (0.1) | 15.74 (0.01) | |||
| g magnitude | 14.60 (0.003) | 19.40 (0.08) | 14.60 (0.003) | |||
| r magnitude | 13.93 (0.003) | 18.59 (0.04) | 13.93 (0.003) | |||
| i magnitude | 13.71 (0.003) | 18.61 (0.03) | 13.74 (0.002) | |||
| z magnitude | 13.54 (0.006) | 18.69 (0.04) | 13.54 (0.006) | |||
| G magnitude | 20.03 | 20.55 (0.01) | ||||
| BP magnitude | ||||||
| RP magnitude | ||||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.021 | |||||
* 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.