Exposure
- ID
- GRAVI.2023-12-29T02:27:41.300_2
- Header ID
- GRAVI.2023-12-29T02:27:41.300
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 02:40:55 UTC+0000
- UTC Start
- 2023-12-29 02:27:41.300
- UTC End
- 2023-12-29 02:34:21.300
- MJD Start
- 60307.10256134
- MJD End
- 60307.1071909696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00902
- Ambient temperature (°C)
- 13.19
- Seeing (arcsec)
- 0.455
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 | 33.9670 | 34.6860 | 36.5000 | 37.2000 |
| U1-U3 | 65.0600 | 66.5690 | 45.9000 | 46.3000 |
| U1-U4 | 109.0960 | 110.8960 | 75.9000 | 75.2640 |
| U2-U3 | 32.0390 | 32.7800 | 55.9000 | 55.9000 |
| U2-U4 | 85.6090 | 86.2690 | 90.4890 | 89.6110 |
| U3-U4 | 61.9520 | 61.7270 | 107.5510 | 106.7380 |
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 | 60307.10256134 |
| 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 | 33.967 |
| HIERARCH ESO ISS PBL12 END | 34.686 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 37.2 |
| HIERARCH ESO ISS PBL13 START | 65.06 |
| HIERARCH ESO ISS PBL13 END | 66.569 |
| HIERARCH ESO ISS PBLA13 START | 45.9 |
| HIERARCH ESO ISS PBLA13 END | 46.3 |
| HIERARCH ESO ISS PBL14 START | 109.096 |
| HIERARCH ESO ISS PBL14 END | 110.896 |
| HIERARCH ESO ISS PBLA14 START | 75.9 |
| HIERARCH ESO ISS PBLA14 END | 75.264 |
| HIERARCH ESO ISS PBL23 START | 32.039 |
| HIERARCH ESO ISS PBL23 END | 32.78 |
| HIERARCH ESO ISS PBLA23 START | 55.9 |
| HIERARCH ESO ISS PBLA23 END | 55.9 |
| HIERARCH ESO ISS PBL24 START | 85.609 |
| HIERARCH ESO ISS PBL24 END | 86.269 |
| HIERARCH ESO ISS PBLA24 START | 90.489 |
| HIERARCH ESO ISS PBLA24 END | 89.611 |
| HIERARCH ESO ISS PBL34 START | 61.952 |
| HIERARCH ESO ISS PBL34 END | 61.727 |
| HIERARCH ESO ISS PBLA34 START | 107.551 |
| HIERARCH ESO ISS PBLA34 END | 106.738 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009946 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008094 |
| HIERARCH ESO ISS AMBI TEMP | 13.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |