Exposure
- ID
- GRAVI.2025-08-11T02:56:51.588_2
- Header ID
- GRAVI.2025-08-11T02:56:51.588
- Date updated
- 2025-08-11 03:10:36 UTC+0000
- Release date
- 2025-08-11 02:56:51 UTC+0000
- UTC Start
- 2025-08-11 02:56:51.588
- UTC End
- 2025-08-11 02:58:27.588
- MJD Start
- 60898.12281931
- MJD End
- 60898.12393042111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002673
- Ambient temperature (°C)
- 14.43
- Seeing (arcsec)
- 0.69
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 | 56.5270 | 56.5370 | 30.0000 | 30.2000 |
| U1-U3 | 102.4290 | 102.4330 | 36.2000 | 36.3000 |
| U1-U4 | 129.6870 | 129.5730 | 63.6370 | 63.7980 |
| U2-U3 | 46.6340 | 46.6260 | 43.7000 | 43.9000 |
| U2-U4 | 88.3950 | 88.2500 | 84.4090 | 84.5860 |
| U3-U4 | 61.1600 | 61.0360 | 114.2420 | 114.4800 |
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 | 60898.12281931 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd174536 |
| HIERARCH ESO INS SOBJ NAME | HD174536A |
| RA | 282.90612 |
| 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 | 56.527 |
| HIERARCH ESO ISS PBL12 END | 56.537 |
| HIERARCH ESO ISS PBLA12 START | 30.0 |
| HIERARCH ESO ISS PBLA12 END | 30.2 |
| HIERARCH ESO ISS PBL13 START | 102.429 |
| HIERARCH ESO ISS PBL13 END | 102.433 |
| HIERARCH ESO ISS PBLA13 START | 36.2 |
| HIERARCH ESO ISS PBLA13 END | 36.3 |
| HIERARCH ESO ISS PBL14 START | 129.687 |
| HIERARCH ESO ISS PBL14 END | 129.573 |
| HIERARCH ESO ISS PBLA14 START | 63.637 |
| HIERARCH ESO ISS PBLA14 END | 63.798 |
| HIERARCH ESO ISS PBL23 START | 46.634 |
| HIERARCH ESO ISS PBL23 END | 46.626 |
| HIERARCH ESO ISS PBLA23 START | 43.7 |
| HIERARCH ESO ISS PBLA23 END | 43.9 |
| HIERARCH ESO ISS PBL24 START | 88.395 |
| HIERARCH ESO ISS PBL24 END | 88.25 |
| HIERARCH ESO ISS PBLA24 START | 84.409 |
| HIERARCH ESO ISS PBLA24 END | 84.586 |
| HIERARCH ESO ISS PBL34 START | 61.16 |
| HIERARCH ESO ISS PBL34 END | 61.036 |
| HIERARCH ESO ISS PBLA34 START | 114.242 |
| HIERARCH ESO ISS PBLA34 END | 114.48 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003078 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002268 |
| HIERARCH ESO ISS AMBI TEMP | 14.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | HD174536B |
| HIERARCH ESO FT ROBJ ALPHA | 185137.0509 |
| HIERARCH ESO FT ROBJ DELTA | -171837.9123 |