Exposure
- ID
- GRAVI.2023-01-23T03:04:22.186_1
- Header ID
- GRAVI.2023-01-23T03:04:22.186
- Date updated
- 2023-01-23 03:16:24 UTC+0000
- Release date
- 2024-01-23 03:16:24 UTC+0000
- UTC Start
- 2023-01-23 03:04:22.186
- UTC End
- 2023-01-23 03:08:22.186
- MJD Start
- 59967.12803456
- MJD End
- 59967.1308123378
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003455
- Ambient temperature (°C)
- 14.11
- Seeing (arcsec)
- 1.375
Observation
- ID
- 53922
- Category
- science
- Program ID
- 110.23QY.001
- Program Title
- HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
- Program Type
- Normal
- PI / COI
- GALLENNE/ PIETRZYNSKI/ GIEREN/ KERVELLA/ MÉRAND/ GRACZYK
Target
- ID
- 40086
- Name
- BD+26_1453
- RA
- 107.396744
- DEC
- 25.72775
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| K0-G2 | 67.7390 | 67.8820 | 275.3000 | 274.9000 |
| K0-D0 | 88.1990 | 88.8150 | 261.3000 | 260.9000 |
| K0-J3 | 44.8300 | 44.4530 | 319.7430 | 319.8520 |
| G2-D0 | 27.7960 | 28.1380 | 225.3000 | 225.5000 |
| G2-J3 | 47.5460 | 48.1350 | 54.0270 | 54.0750 |
| D0-J3 | 75.1370 | 76.0740 | 50.7970 | 50.9120 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 110.23QY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 59967.12803456 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD54371 |
| HIERARCH ESO INS SOBJ NAME | BD+26_1453 |
| RA | 107.396744 |
| DEC | 25.72775 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | K0 |
| HIERARCH ESO ISS CONF STATION2 | G2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | J3 |
| EXPTIME | 256.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 67.739 |
| HIERARCH ESO ISS PBL12 END | 67.882 |
| HIERARCH ESO ISS PBLA12 START | 275.3 |
| HIERARCH ESO ISS PBLA12 END | 274.9 |
| HIERARCH ESO ISS PBL13 START | 88.199 |
| HIERARCH ESO ISS PBL13 END | 88.815 |
| HIERARCH ESO ISS PBLA13 START | 261.3 |
| HIERARCH ESO ISS PBLA13 END | 260.9 |
| HIERARCH ESO ISS PBL14 START | 44.83 |
| HIERARCH ESO ISS PBL14 END | 44.453 |
| HIERARCH ESO ISS PBLA14 START | 319.743 |
| HIERARCH ESO ISS PBLA14 END | 319.852 |
| HIERARCH ESO ISS PBL23 START | 27.796 |
| HIERARCH ESO ISS PBL23 END | 28.138 |
| HIERARCH ESO ISS PBLA23 START | 225.3 |
| HIERARCH ESO ISS PBLA23 END | 225.5 |
| HIERARCH ESO ISS PBL24 START | 47.546 |
| HIERARCH ESO ISS PBL24 END | 48.135 |
| HIERARCH ESO ISS PBLA24 START | 54.027 |
| HIERARCH ESO ISS PBLA24 END | 54.075 |
| HIERARCH ESO ISS PBL34 START | 75.137 |
| HIERARCH ESO ISS PBL34 END | 76.074 |
| HIERARCH ESO ISS PBLA34 START | 50.797 |
| HIERARCH ESO ISS PBLA34 END | 50.912 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003201 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003709 |
| HIERARCH ESO ISS AMBI TEMP | 14.11 |
| HIERARCH ESO ISS AMBI FWHM START | 1.33 |
| HIERARCH ESO ISS AMBI FWHM END | 1.42 |