Exposure
- ID
- GRAVI.2025-08-11T02:54:00.581_2
- Header ID
- GRAVI.2025-08-11T02:54:00.581
- Date updated
- 2025-08-11 03:05:33 UTC+0000
- Release date
- 2025-08-11 02:54:00 UTC+0000
- UTC Start
- 2025-08-11 02:54:00.581
- UTC End
- 2025-08-11 02:55:36.581
- MJD Start
- 60898.12084006
- MJD End
- 60898.12195117111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036665
- Ambient temperature (°C)
- 14.43
- Seeing (arcsec)
- 0.605
Observation
- ID
- 69852
- Category
- calibrator
- 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
- 51853
- Name
- HD174536B
- RA
- 282.90437875
- DEC
- -17.310531194444444
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 | 56.5150 | 56.5260 | 29.7000 | 29.9000 |
| U1-U3 | 102.4180 | 102.4280 | 35.9000 | 36.1000 |
| U1-U4 | 129.8050 | 129.7030 | 63.4500 | 63.6140 |
| U2-U3 | 46.6390 | 46.6340 | 43.5000 | 43.7000 |
| U2-U4 | 88.5510 | 88.4160 | 84.2060 | 84.3830 |
| U3-U4 | 61.2960 | 61.1780 | 113.9720 | 114.2070 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.28MC.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60898.12084006 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd174536 |
| HIERARCH ESO INS SOBJ NAME | HD174536A |
| RA | 282.906117 |
| DEC | -17.31034 |
| 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 | 153.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 320 |
| HIERARCH ESO ISS PBL12 START | 56.515 |
| HIERARCH ESO ISS PBL12 END | 56.526 |
| HIERARCH ESO ISS PBLA12 START | 29.7 |
| HIERARCH ESO ISS PBLA12 END | 29.9 |
| HIERARCH ESO ISS PBL13 START | 102.418 |
| HIERARCH ESO ISS PBL13 END | 102.428 |
| HIERARCH ESO ISS PBLA13 START | 35.9 |
| HIERARCH ESO ISS PBLA13 END | 36.1 |
| HIERARCH ESO ISS PBL14 START | 129.805 |
| HIERARCH ESO ISS PBL14 END | 129.703 |
| HIERARCH ESO ISS PBLA14 START | 63.45 |
| HIERARCH ESO ISS PBLA14 END | 63.614 |
| HIERARCH ESO ISS PBL23 START | 46.639 |
| HIERARCH ESO ISS PBL23 END | 46.634 |
| HIERARCH ESO ISS PBLA23 START | 43.5 |
| HIERARCH ESO ISS PBLA23 END | 43.7 |
| HIERARCH ESO ISS PBL24 START | 88.551 |
| HIERARCH ESO ISS PBL24 END | 88.416 |
| HIERARCH ESO ISS PBLA24 START | 84.206 |
| HIERARCH ESO ISS PBLA24 END | 84.383 |
| HIERARCH ESO ISS PBL34 START | 61.296 |
| HIERARCH ESO ISS PBL34 END | 61.178 |
| HIERARCH ESO ISS PBLA34 START | 113.972 |
| HIERARCH ESO ISS PBLA34 END | 114.207 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003654 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003679 |
| HIERARCH ESO ISS AMBI TEMP | 14.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | HD174536B |
| HIERARCH ESO FT ROBJ ALPHA | 185137.0509 |
| HIERARCH ESO FT ROBJ DELTA | -171837.9123 |