Exposure
- ID
- GRAVI.2023-12-29T04:21:05.587_2
- Header ID
- GRAVI.2023-12-29T04:21:05.587
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 04:40:46 UTC+0000
- UTC Start
- 2023-12-29 04:21:05.587
- UTC End
- 2023-12-29 04:27:45.587
- MJD Start
- 60307.18131467
- MJD End
- 60307.1859442996
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008524
- Ambient temperature (°C)
- 13.04
- Seeing (arcsec)
- 0.45
Observation
- ID
- 58108
- Category
- science
- Program ID
- 112.26X1.001
- Program Title
- CONFIRMING THE YOUNGEST GAP-OPENING PROTOPLANET UNDERGOING RUNAWAY GAS ACCRETION
- Program Type
- ToO
- PI / COI
- JIANG/ LACOUR/ KAMMERER/ MANARA/ XIE/ AOYAMA/ DONG/ HASHIMOTO/ KRIJT/ MACIAS/ ORMEL/ REN/ UYAMA
Target
- ID
- 43027
- Name
- HD31648
- RA
- 74.6927708333333
- DEC
- 29.8436075
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 | 45.0390 | 45.6390 | 41.7000 | 41.7000 |
| U1-U3 | 86.4040 | 87.4560 | 46.8000 | 46.6000 |
| U1-U4 | 128.2750 | 128.7760 | 64.8330 | 64.0620 |
| U2-U3 | 41.7420 | 42.1710 | 52.4000 | 52.0000 |
| U2-U4 | 88.6400 | 88.3040 | 76.3490 | 75.4170 |
| U3-U4 | 53.2550 | 52.3680 | 94.8960 | 94.0940 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.26X1.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60307.18131467 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD31648 |
| HIERARCH ESO INS SOBJ NAME | HD31648 |
| RA | 74.694967 |
| DEC | 29.84348 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 45.039 |
| HIERARCH ESO ISS PBL12 END | 45.639 |
| HIERARCH ESO ISS PBLA12 START | 41.7 |
| HIERARCH ESO ISS PBLA12 END | 41.7 |
| HIERARCH ESO ISS PBL13 START | 86.404 |
| HIERARCH ESO ISS PBL13 END | 87.456 |
| HIERARCH ESO ISS PBLA13 START | 46.8 |
| HIERARCH ESO ISS PBLA13 END | 46.6 |
| HIERARCH ESO ISS PBL14 START | 128.275 |
| HIERARCH ESO ISS PBL14 END | 128.776 |
| HIERARCH ESO ISS PBLA14 START | 64.833 |
| HIERARCH ESO ISS PBLA14 END | 64.062 |
| HIERARCH ESO ISS PBL23 START | 41.742 |
| HIERARCH ESO ISS PBL23 END | 42.171 |
| HIERARCH ESO ISS PBLA23 START | 52.4 |
| HIERARCH ESO ISS PBLA23 END | 52.0 |
| HIERARCH ESO ISS PBL24 START | 88.64 |
| HIERARCH ESO ISS PBL24 END | 88.304 |
| HIERARCH ESO ISS PBLA24 START | 76.349 |
| HIERARCH ESO ISS PBLA24 END | 75.417 |
| HIERARCH ESO ISS PBL34 START | 53.255 |
| HIERARCH ESO ISS PBL34 END | 52.368 |
| HIERARCH ESO ISS PBLA34 START | 94.896 |
| HIERARCH ESO ISS PBLA34 END | 94.094 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008283 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008765 |
| HIERARCH ESO ISS AMBI TEMP | 13.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |