Exposure
- ID
- GRAVI.2023-12-29T03:21:08.436_2
- Header ID
- GRAVI.2023-12-29T03:21:08.436
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 03:40:36 UTC+0000
- UTC Start
- 2023-12-29 03:21:08.436
- UTC End
- 2023-12-29 03:27:48.436
- MJD Start
- 60307.13968097
- MJD End
- 60307.1443105996
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005413
- Ambient temperature (°C)
- 13.88
- Seeing (arcsec)
- 0.8
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 | 39.4180 | 40.1130 | 40.5000 | 40.8000 |
| U1-U3 | 76.0340 | 77.3650 | 47.6000 | 47.6000 |
| U1-U4 | 120.7680 | 121.9500 | 70.9390 | 70.2620 |
| U2-U3 | 37.2410 | 37.8430 | 55.1000 | 54.9000 |
| U2-U4 | 89.0600 | 89.2430 | 83.9060 | 83.0460 |
| U3-U4 | 59.1960 | 58.6560 | 101.5320 | 100.7620 |
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 | 60307.13968097 |
| 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 | 39.418 |
| HIERARCH ESO ISS PBL12 END | 40.113 |
| HIERARCH ESO ISS PBLA12 START | 40.5 |
| HIERARCH ESO ISS PBLA12 END | 40.8 |
| HIERARCH ESO ISS PBL13 START | 76.034 |
| HIERARCH ESO ISS PBL13 END | 77.365 |
| HIERARCH ESO ISS PBLA13 START | 47.6 |
| HIERARCH ESO ISS PBLA13 END | 47.6 |
| HIERARCH ESO ISS PBL14 START | 120.768 |
| HIERARCH ESO ISS PBL14 END | 121.95 |
| HIERARCH ESO ISS PBLA14 START | 70.939 |
| HIERARCH ESO ISS PBLA14 END | 70.262 |
| HIERARCH ESO ISS PBL23 START | 37.241 |
| HIERARCH ESO ISS PBL23 END | 37.843 |
| HIERARCH ESO ISS PBLA23 START | 55.1 |
| HIERARCH ESO ISS PBLA23 END | 54.9 |
| HIERARCH ESO ISS PBL24 START | 89.06 |
| HIERARCH ESO ISS PBL24 END | 89.243 |
| HIERARCH ESO ISS PBLA24 START | 83.906 |
| HIERARCH ESO ISS PBLA24 END | 83.046 |
| HIERARCH ESO ISS PBL34 START | 59.196 |
| HIERARCH ESO ISS PBL34 END | 58.656 |
| HIERARCH ESO ISS PBLA34 START | 101.532 |
| HIERARCH ESO ISS PBLA34 END | 100.762 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006122 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004704 |
| HIERARCH ESO ISS AMBI TEMP | 13.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |