Exposure
- ID
- GRAVI.2025-08-11T02:07:12.463_1
- Header ID
- GRAVI.2025-08-11T02:07:12.463
- Date updated
- 2025-08-11 02:20:44 UTC+0000
- Release date
- 2026-08-11 02:20:44 UTC+0000
- UTC Start
- 2025-08-11 02:07:12.463
- UTC End
- 2025-08-11 02:13:52.463
- MJD Start
- 60898.08833869
- MJD End
- 60898.09296831963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056275
- Ambient temperature (°C)
- 14.23
- Seeing (arcsec)
- 0.665
Observation
- ID
- 69846
- 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
- 51847
- Name
- AS029
- RA
- 252.316529
- DEC
- -14.36877
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3420 | 56.2520 | 34.5000 | 34.8000 |
| U1-U3 | 101.4370 | 101.1480 | 40.1000 | 40.4000 |
| U1-U4 | 122.5100 | 121.2780 | 66.4190 | 66.6000 |
| U2-U3 | 45.7040 | 45.4930 | 47.1000 | 47.3000 |
| U2-U4 | 80.4000 | 79.2160 | 88.1590 | 88.5670 |
| U3-U4 | 54.8760 | 54.1140 | 121.3190 | 122.2480 |
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 | 60898.08833869 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | EM AS 209 |
| HIERARCH ESO INS SOBJ NAME | AS029 |
| RA | 252.316529 |
| DEC | -14.36877 |
| 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 | 56.342 |
| HIERARCH ESO ISS PBL12 END | 56.252 |
| HIERARCH ESO ISS PBLA12 START | 34.5 |
| HIERARCH ESO ISS PBLA12 END | 34.8 |
| HIERARCH ESO ISS PBL13 START | 101.437 |
| HIERARCH ESO ISS PBL13 END | 101.148 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.4 |
| HIERARCH ESO ISS PBL14 START | 122.51 |
| HIERARCH ESO ISS PBL14 END | 121.278 |
| HIERARCH ESO ISS PBLA14 START | 66.419 |
| HIERARCH ESO ISS PBLA14 END | 66.6 |
| HIERARCH ESO ISS PBL23 START | 45.704 |
| HIERARCH ESO ISS PBL23 END | 45.493 |
| HIERARCH ESO ISS PBLA23 START | 47.1 |
| HIERARCH ESO ISS PBLA23 END | 47.3 |
| HIERARCH ESO ISS PBL24 START | 80.4 |
| HIERARCH ESO ISS PBL24 END | 79.216 |
| HIERARCH ESO ISS PBLA24 START | 88.159 |
| HIERARCH ESO ISS PBLA24 END | 88.567 |
| HIERARCH ESO ISS PBL34 START | 54.876 |
| HIERARCH ESO ISS PBL34 END | 54.114 |
| HIERARCH ESO ISS PBLA34 START | 121.319 |
| HIERARCH ESO ISS PBLA34 END | 122.248 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004715 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00654 |
| HIERARCH ESO ISS AMBI TEMP | 14.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | AS029 |
| HIERARCH ESO FT ROBJ ALPHA | 164915.303 |
| HIERARCH ESO FT ROBJ DELTA | -142208.643 |