All names: TIC 369397090, GD 1618, Renson 61340, HIP 117728, BPS CS 29496-0038, 2MASS J23523609-3010093, CPD-30 6801, TYC 7516-802-1, GSC 07516-00802, SB 884, CTLGM 2751, HE 2350-3026, MCT2350-3026, Gaia DR2 2326994490492043264, HIC 117728, Gaia DR3 2326994490492043264, CD-30 19716, MCT 2350-3026, [PS72] 175, Gaia EDR3 2326994490492043264, uvby98 -003019716
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 52 36.13 (0.05) | 23 52 36.10 | 23 52 36.09 (0.05) | ||
| Declination | -30 10 09.33 (0.04) | -30 10 09.09 | -30 10 09.12 (0.04) | ||
| Spectral type | sdO | sdO6He2 | |||
| 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] | 2.37 (0.06) | 2.62 (0.08) | 2.37 (0.06) | |
| Distance | [pc] | 421.14 (10) | 382.18 (11) | 421.14 (10) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 30.992 (0.07) | 31.111 (0.1) | 30.992 (0.07) | |
| Proper motion (declination) | [mas/yr] | -13.243 (0.05) | -13.283 (0.1) | -13.243 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 11.97 (0.1) | ||||
| V magnitude | 12.86 (0.3) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 12.87 (0.02) | 12.87 (0.02) | |||
| H magnitude | 12.99 (0.03) | 12.99 (0.03) | |||
| K magnitude | 13.07 (0.03) | 13.07 (0.03) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 12.05 (0.003) | 12.07 (0.0008) | 12.05 (0.003) | ||
| BP magnitude | 11.88 (0.003) | 11.82 (0.01) | |||
| RP magnitude | 12.39 (0.004) | 12.39 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | 13.66 (0.2) | ||||
| Pan y magnitude | |||||
| E(B-V) | 0.008 | ||||
* 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.