Exposure
- ID
- GRAVI.2023-12-29T03:05:20.395_2
- Header ID
- GRAVI.2023-12-29T03:05:20.395
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 03:25:53 UTC+0000
- UTC Start
- 2023-12-29 03:05:20.395
- UTC End
- 2023-12-29 03:12:00.395
- MJD Start
- 60307.12870828
- MJD End
- 60307.133337909625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054735
- Ambient temperature (°C)
- 14.04
- 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
- 74.69277083333333
- DEC
- 29.843607499999997
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 | 37.8240 | 38.5380 | 39.6000 | 40.0000 |
| U1-U3 | 72.9280 | 74.3270 | 47.4000 | 47.5000 |
| U1-U4 | 117.8060 | 119.1750 | 72.4400 | 71.7760 |
| U2-U3 | 35.8120 | 36.4600 | 55.6000 | 55.4000 |
| U2-U4 | 88.4170 | 88.7430 | 85.8410 | 84.9800 |
| U3-U4 | 60.2620 | 59.8140 | 103.2800 | 102.5000 |
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 | 60307.12870828 |
| 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 | 37.824 |
| HIERARCH ESO ISS PBL12 END | 38.538 |
| HIERARCH ESO ISS PBLA12 START | 39.6 |
| HIERARCH ESO ISS PBLA12 END | 40.0 |
| HIERARCH ESO ISS PBL13 START | 72.928 |
| HIERARCH ESO ISS PBL13 END | 74.327 |
| HIERARCH ESO ISS PBLA13 START | 47.4 |
| HIERARCH ESO ISS PBLA13 END | 47.5 |
| HIERARCH ESO ISS PBL14 START | 117.806 |
| HIERARCH ESO ISS PBL14 END | 119.175 |
| HIERARCH ESO ISS PBLA14 START | 72.44 |
| HIERARCH ESO ISS PBLA14 END | 71.776 |
| HIERARCH ESO ISS PBL23 START | 35.812 |
| HIERARCH ESO ISS PBL23 END | 36.46 |
| HIERARCH ESO ISS PBLA23 START | 55.6 |
| HIERARCH ESO ISS PBLA23 END | 55.4 |
| HIERARCH ESO ISS PBL24 START | 88.417 |
| HIERARCH ESO ISS PBL24 END | 88.743 |
| HIERARCH ESO ISS PBLA24 START | 85.841 |
| HIERARCH ESO ISS PBLA24 END | 84.98 |
| HIERARCH ESO ISS PBL34 START | 60.262 |
| HIERARCH ESO ISS PBL34 END | 59.814 |
| HIERARCH ESO ISS PBLA34 START | 103.28 |
| HIERARCH ESO ISS PBLA34 END | 102.5 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004444 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006503 |
| HIERARCH ESO ISS AMBI TEMP | 14.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |