Exposure
- ID
- GRAVI.2023-09-11T07:34:54.766_1
- Header ID
- GRAVI.2023-09-11T07:34:54.766
- Date updated
- 2025-03-26 15:25:19 UTC+0000
- Release date
- 2024-09-11 07:51:12 UTC+0000
- UTC Start
- 2023-09-11 07:34:54.766
- UTC End
- 2023-09-11 07:40:14.766
- MJD Start
- 60198.31591164
- MJD End
- 60198.3196153437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001849
- Ambient temperature (°C)
- 9.71
- Seeing (arcsec)
- 1.445
Observation
- ID
- 56959
- Category
- science
- Program ID
- 112.263J.001
- Program Title
- PHOTOCENTER DISPLACEMENT AS A PROBE FOR CHARACTERISING AGB STARS
- Program Type
- Normal
- PI / COI
- BÉGUIN / CHIAVASSA / WITTKOWSKI / SCHULTHEIS / FREYTAG / CREEVEY / MILLOUR / MONTARGES
Target
- ID
- 42227
- Name
- V_SY_Scl
- RA
- 1.898583
- DEC
- -25.49447
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 83.3000 | 82.7080 | 132.9000 | 133.9000 |
| A0-J2 | 114.4780 | 113.1640 | 107.7000 | 108.5000 |
| A0-K0 | 113.3460 | 111.9840 | 83.0590 | 83.5920 |
| G1-J2 | 52.7880 | 52.2710 | 65.5000 | 65.9000 |
| G1-K0 | 87.2330 | 86.9040 | 36.1850 | 36.5040 |
| J2-K0 | 48.6460 | 48.6470 | 4.0820 | 4.7090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.263J.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60198.31591164 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | V SY Scl |
| HIERARCH ESO INS SOBJ NAME | V_SY_Scl |
| RA | 1.898583 |
| DEC | -25.49447 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 83.3 |
| HIERARCH ESO ISS PBL12 END | 82.708 |
| HIERARCH ESO ISS PBLA12 START | 132.9 |
| HIERARCH ESO ISS PBLA12 END | 133.9 |
| HIERARCH ESO ISS PBL13 START | 114.478 |
| HIERARCH ESO ISS PBL13 END | 113.164 |
| HIERARCH ESO ISS PBLA13 START | 107.7 |
| HIERARCH ESO ISS PBLA13 END | 108.5 |
| HIERARCH ESO ISS PBL14 START | 113.346 |
| HIERARCH ESO ISS PBL14 END | 111.984 |
| HIERARCH ESO ISS PBLA14 START | 83.059 |
| HIERARCH ESO ISS PBLA14 END | 83.592 |
| HIERARCH ESO ISS PBL23 START | 52.788 |
| HIERARCH ESO ISS PBL23 END | 52.271 |
| HIERARCH ESO ISS PBLA23 START | 65.5 |
| HIERARCH ESO ISS PBLA23 END | 65.9 |
| HIERARCH ESO ISS PBL24 START | 87.233 |
| HIERARCH ESO ISS PBL24 END | 86.904 |
| HIERARCH ESO ISS PBLA24 START | 36.185 |
| HIERARCH ESO ISS PBLA24 END | 36.504 |
| HIERARCH ESO ISS PBL34 START | 48.646 |
| HIERARCH ESO ISS PBL34 END | 48.647 |
| HIERARCH ESO ISS PBLA34 START | 4.082 |
| HIERARCH ESO ISS PBLA34 END | 4.709 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001849 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001849 |
| HIERARCH ESO ISS AMBI TEMP | 9.71 |
| HIERARCH ESO ISS AMBI FWHM START | 1.32 |
| HIERARCH ESO ISS AMBI FWHM END | 1.57 |