Exposure
- ID
- GRAVI.2023-12-29T03:28:29.454_2
- Header ID
- GRAVI.2023-12-29T03:28:29.454
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 03:45:37 UTC+0000
- UTC Start
- 2023-12-29 03:28:29.454
- UTC End
- 2023-12-29 03:35:09.454
- MJD Start
- 60307.14478535
- MJD End
- 60307.1494149796
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004704
- Ambient temperature (°C)
- 13.35
- Seeing (arcsec)
- 0.84
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 | 40.1500 | 40.8390 | 40.8000 | 41.0000 |
| U1-U3 | 77.4340 | 78.7400 | 47.6000 | 47.6000 |
| U1-U4 | 122.0090 | 123.1100 | 70.2260 | 69.5370 |
| U2-U3 | 37.8740 | 38.4580 | 54.9000 | 54.6000 |
| U2-U4 | 89.2510 | 89.3690 | 83.0010 | 82.1330 |
| U3-U4 | 58.6260 | 58.0400 | 100.7220 | 99.9490 |
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 | 60307.14478535 |
| 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 | 40.15 |
| HIERARCH ESO ISS PBL12 END | 40.839 |
| HIERARCH ESO ISS PBLA12 START | 40.8 |
| HIERARCH ESO ISS PBLA12 END | 41.0 |
| HIERARCH ESO ISS PBL13 START | 77.434 |
| HIERARCH ESO ISS PBL13 END | 78.74 |
| HIERARCH ESO ISS PBLA13 START | 47.6 |
| HIERARCH ESO ISS PBLA13 END | 47.6 |
| HIERARCH ESO ISS PBL14 START | 122.009 |
| HIERARCH ESO ISS PBL14 END | 123.11 |
| HIERARCH ESO ISS PBLA14 START | 70.226 |
| HIERARCH ESO ISS PBLA14 END | 69.537 |
| HIERARCH ESO ISS PBL23 START | 37.874 |
| HIERARCH ESO ISS PBL23 END | 38.458 |
| HIERARCH ESO ISS PBLA23 START | 54.9 |
| HIERARCH ESO ISS PBLA23 END | 54.6 |
| HIERARCH ESO ISS PBL24 START | 89.251 |
| HIERARCH ESO ISS PBL24 END | 89.369 |
| HIERARCH ESO ISS PBLA24 START | 83.001 |
| HIERARCH ESO ISS PBLA24 END | 82.133 |
| HIERARCH ESO ISS PBL34 START | 58.626 |
| HIERARCH ESO ISS PBL34 END | 58.04 |
| HIERARCH ESO ISS PBLA34 START | 100.722 |
| HIERARCH ESO ISS PBLA34 END | 99.949 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004704 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004704 |
| HIERARCH ESO ISS AMBI TEMP | 13.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.87 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |