All names: CHSS 2321, UBV M 43456, Feige 65, uvby98 620017177, Gaia DR2 1534536701840624768, Gaia DR3 1534536701840624768, TIC 75586114, PG1233+427, LAMOST J123551.15+422239.7, LAMOST J123551.14+422239.7, BPS BS 17141-0012, PG 1233+427, Gaia EDR3 1534536701840624768, [SS59] II 177, FBS 1233+426, [TFW97] J123551.14+422239.82, SBS 29, GALEX J123551.0+422237, GSC 03020-01227, Renson 31790, NPM1+42.0772, uvby98 620004065, GEN# +6.20017177, GCRV 63400, 2MASS J12355115+4222397, FB 101, TYC 3020-1227-1, WEB 10942, CSI+42-12334, UBV 11315, LAMOST J123551.07+422237.7, HIC 61480, FBS B 308, HIP 61480
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 35 51.15 (0.03) | 12 35 51.14 | 12 35 51.14 (0.03) | ||
| Declination | 42 22 39.49 (0.03) | 42 22 39.71 | 42 22 39.72 (0.03) | ||
| Spectral type | sdB | sdB2 | |||
| Effective temperature | [K] | 26200.0 (1100) | |||
| log(g) | [cgs] | 5.31 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 3.04 (0.04) | 3.20 (0.05) | 3.04 (0.04) | |
| Distance | [pc] | 329.48 (5) | 312.47 (5) | 329.48 (5) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.842 (0.04) | 4.733 (0.06) | 4.842 (0.04) | |
| Proper motion (declination) | [mas/yr] | -14.495 (0.03) | -14.441 (0.07) | -14.495 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 11.78 | ||||
| V magnitude | 12.05 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 12.60 (0.02) | 12.60 (0.02) | |||
| H magnitude | 12.72 (0.02) | 12.72 (0.02) | |||
| K magnitude | 12.80 (0.03) | 12.80 (0.03) | |||
| u magnitude | 12.12 (0.002) | ||||
| g magnitude | |||||
| r magnitude | 12.35 (0.001) | ||||
| i magnitude | 12.74 (0.002) | ||||
| z magnitude | 13.48 (0.006) | ||||
| G magnitude | 11.97 (0.003) | 11.99 (0.0005) | 11.97 (0.003) | ||
| BP magnitude | 11.84 (0.003) | 11.79 (0.005) | |||
| RP magnitude | 12.25 (0.004) | 12.25 (0.002) | |||
| Pan g magnitude | 11.80 | ||||
| Pan r magnitude | 12.25 | ||||
| Pan i magnitude | 12.60 | ||||
| Pan z magnitude | 12.87 | ||||
| Pan y magnitude | 13.03 (0.003) | ||||
| E(B-V) | 0.018 | ||||
* 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.