Exposure
- ID
- GRAVI.2025-08-11T02:14:30.481_2
- Header ID
- GRAVI.2025-08-11T02:14:30.481
- Date updated
- 2025-08-11 02:30:37 UTC+0000
- Release date
- 2026-08-11 02:30:37 UTC+0000
- UTC Start
- 2025-08-11 02:14:30.481
- UTC End
- 2025-08-11 02:21:10.481
- MJD Start
- 60898.09340835
- MJD End
- 60898.09803797963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005105
- Ambient temperature (°C)
- 14.25
- Seeing (arcsec)
- 0.6799999999999999
Observation
- ID
- 69819
- Category
- science
- Program ID
- 114.28MC.001
- Program Title
- UNVEILING HIDDEN PROTOPLANETS: DIRECT EXTINCTION MEASUREMENT IN THE PLANET-FORMED GAP OF AS209
- Program Type
- ToO
- PI / COI
- CUGNO / BOURDAROT / BENISTY / TEAGUE / FACCHINI / GIRARD / BERGIN / BAE / HUANG / MEYER
Target
- ID
- 51832
- Name
- AS029
- RA
- 252.31376249999997
- DEC
- -14.3690675
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2470 | 56.1380 | 34.8000 | 35.1000 |
| U1-U3 | 101.1330 | 100.8030 | 40.4000 | 40.6000 |
| U1-U4 | 121.2160 | 119.8830 | 66.6080 | 66.7700 |
| U2-U3 | 45.4820 | 45.2470 | 47.3000 | 47.5000 |
| U2-U4 | 79.1580 | 77.8960 | 88.5870 | 89.0020 |
| U3-U4 | 54.0770 | 53.2840 | 122.2940 | 123.2730 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.28MC.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60898.09340835 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | EM AS 209 |
| HIERARCH ESO INS SOBJ NAME | AS029 |
| RA | 252.316518 |
| DEC | -14.3688 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.247 |
| HIERARCH ESO ISS PBL12 END | 56.138 |
| HIERARCH ESO ISS PBLA12 START | 34.8 |
| HIERARCH ESO ISS PBLA12 END | 35.1 |
| HIERARCH ESO ISS PBL13 START | 101.133 |
| HIERARCH ESO ISS PBL13 END | 100.803 |
| HIERARCH ESO ISS PBLA13 START | 40.4 |
| HIERARCH ESO ISS PBLA13 END | 40.6 |
| HIERARCH ESO ISS PBL14 START | 121.216 |
| HIERARCH ESO ISS PBL14 END | 119.883 |
| HIERARCH ESO ISS PBLA14 START | 66.608 |
| HIERARCH ESO ISS PBLA14 END | 66.77 |
| HIERARCH ESO ISS PBL23 START | 45.482 |
| HIERARCH ESO ISS PBL23 END | 45.247 |
| HIERARCH ESO ISS PBLA23 START | 47.3 |
| HIERARCH ESO ISS PBLA23 END | 47.5 |
| HIERARCH ESO ISS PBL24 START | 79.158 |
| HIERARCH ESO ISS PBL24 END | 77.896 |
| HIERARCH ESO ISS PBLA24 START | 88.587 |
| HIERARCH ESO ISS PBLA24 END | 89.002 |
| HIERARCH ESO ISS PBL34 START | 54.077 |
| HIERARCH ESO ISS PBL34 END | 53.284 |
| HIERARCH ESO ISS PBLA34 START | 122.294 |
| HIERARCH ESO ISS PBLA34 END | 123.273 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00654 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00367 |
| HIERARCH ESO ISS AMBI TEMP | 14.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | AS029 |
| HIERARCH ESO FT ROBJ ALPHA | 164915.303 |
| HIERARCH ESO FT ROBJ DELTA | -142208.643 |