Exposure
- ID
- GRAVI.2023-12-29T02:43:05.339_2
- Header ID
- GRAVI.2023-12-29T02:43:05.339
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 03:00:38 UTC+0000
- UTC Start
- 2023-12-29 02:43:05.339
- UTC End
- 2023-12-29 02:49:45.339
- MJD Start
- 60307.11325624
- MJD End
- 60307.1178858696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0057445
- Ambient temperature (°C)
- 13.86
- Seeing (arcsec)
- 0.71
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 | 35.5480 | 36.2730 | 38.0000 | 38.6000 |
| U1-U3 | 68.3510 | 69.8290 | 46.7000 | 47.0000 |
| U1-U4 | 112.9420 | 114.5750 | 74.4990 | 73.8500 |
| U2-U3 | 33.6440 | 34.3520 | 55.9000 | 55.8000 |
| U2-U4 | 86.9750 | 87.5010 | 88.5700 | 87.7000 |
| U3-U4 | 61.4040 | 61.0870 | 105.7770 | 104.9770 |
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 | 60307.11325624 |
| 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 | 35.548 |
| HIERARCH ESO ISS PBL12 END | 36.273 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.6 |
| HIERARCH ESO ISS PBL13 START | 68.351 |
| HIERARCH ESO ISS PBL13 END | 69.829 |
| HIERARCH ESO ISS PBLA13 START | 46.7 |
| HIERARCH ESO ISS PBLA13 END | 47.0 |
| HIERARCH ESO ISS PBL14 START | 112.942 |
| HIERARCH ESO ISS PBL14 END | 114.575 |
| HIERARCH ESO ISS PBLA14 START | 74.499 |
| HIERARCH ESO ISS PBLA14 END | 73.85 |
| HIERARCH ESO ISS PBL23 START | 33.644 |
| HIERARCH ESO ISS PBL23 END | 34.352 |
| HIERARCH ESO ISS PBLA23 START | 55.9 |
| HIERARCH ESO ISS PBLA23 END | 55.8 |
| HIERARCH ESO ISS PBL24 START | 86.975 |
| HIERARCH ESO ISS PBL24 END | 87.501 |
| HIERARCH ESO ISS PBLA24 START | 88.57 |
| HIERARCH ESO ISS PBLA24 END | 87.7 |
| HIERARCH ESO ISS PBL34 START | 61.404 |
| HIERARCH ESO ISS PBL34 END | 61.087 |
| HIERARCH ESO ISS PBLA34 START | 105.777 |
| HIERARCH ESO ISS PBLA34 END | 104.977 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007306 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004183 |
| HIERARCH ESO ISS AMBI TEMP | 13.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |