All names: Gaia DR3 4407204858848749824, Gaia EDR3 4407204858848749824, SDSS J161915.34-005615.9, SDSSJ161915.35-005615.99, Gaia DR2 4407204858848749824, SDSS J161915.35-005615.9, GALEX J161915.4-005616, SDSS J161915.34-005616.0, SDSS J161915.35-005616.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Stilism | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 19 15.35 (0.3) | 16 19 15.35 | 16 19 15.35 (0.3) | 16 19 15.35 | ||||
| Declination | -00 56 16.09 (0.2) | -00 56 15.99 | -00 56 16.00 (0.2) | -00 56 16.00 | ||||
| Spectral type | sdO | sdO | sdO | SDO | ||||
| Effective temperature | [K] | 36259.0 (1252) | ||||||
| log(g) | [cgs] | 5.21 (0.2) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.05 (0.4) | 0.27 (0.4) | 0.05 (0.4) | ||||
| Distance | [pc] | 18662.92 (122734) | 3669.72 (5332) | 18656.72 (122661) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 0.514743701 (0.4) | 0.778 (0.9) | 0.515 (0.4) | ||||
| Proper motion (declination) | [mas/yr] | -5.169866196 (0.3) | -4.335 (0.6) | -5.17 (0.3) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 18.80 (0.02) | 18.90 | 18.78 (0.02) | 18.91 (0.02) | ||||
| g magnitude | 19.07 (0.01) | 19.12 | 19.08 (0.01) | 19.13 (0.02) | ||||
| r magnitude | 19.45 (0.01) | 19.46 | 19.45 (0.01) | 19.46 (0.02) | ||||
| i magnitude | 19.75 (0.03) | 19.75 | 19.75 (0.03) | 19.74 (0.03) | ||||
| z magnitude | 20.03 (0.1) | 20.02 | 20.02 (0.1) | 20.04 (0.1) | ||||
| G magnitude | 19.26 (0.03) | 19.30 (0.004) | 19.26 (0.004) | |||||
| BP magnitude | 19.17 (0.03) | 19.10 (0.03) | ||||||
| RP magnitude | 19.52 (0.07) | 19.32 (0.09) | ||||||
| Pan g magnitude | 19.13 (0.01) | 19.13 (0.01) | ||||||
| Pan r magnitude | 19.46 (0.006) | 19.46 (0.006) | ||||||
| Pan i magnitude | 19.80 (0.01) | 19.80 (0.01) | ||||||
| Pan z magnitude | 20.04 (0.01) | 20.04 (0.01) | ||||||
| Pan y magnitude | 20.20 (0.1) | 20.20 (0.1) | ||||||
| E(B-V) | 0.113 | |||||||
* 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.