Exposure
- ID
- GRAVI.2023-12-29T04:06:05.549_2
- Header ID
- GRAVI.2023-12-29T04:06:05.549
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 04:20:38 UTC+0000
- UTC Start
- 2023-12-29 04:06:05.549
- UTC End
- 2023-12-29 04:12:45.549
- MJD Start
- 60307.17089756
- MJD End
- 60307.175527189625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009373
- Ambient temperature (°C)
- 13.41
- Seeing (arcsec)
- 0.485
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 | 43.7160 | 44.3460 | 41.6000 | 41.7000 |
| U1-U3 | 84.0440 | 85.1730 | 47.2000 | 47.1000 |
| U1-U4 | 126.9480 | 127.6170 | 66.4310 | 65.6870 |
| U2-U3 | 40.7590 | 41.2330 | 53.2000 | 52.9000 |
| U2-U4 | 89.1600 | 88.9490 | 78.2920 | 77.3850 |
| U3-U4 | 55.0130 | 54.2090 | 96.5770 | 95.7900 |
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 | 60307.17089756 |
| 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 | 43.716 |
| HIERARCH ESO ISS PBL12 END | 44.346 |
| HIERARCH ESO ISS PBLA12 START | 41.6 |
| HIERARCH ESO ISS PBLA12 END | 41.7 |
| HIERARCH ESO ISS PBL13 START | 84.044 |
| HIERARCH ESO ISS PBL13 END | 85.173 |
| HIERARCH ESO ISS PBLA13 START | 47.2 |
| HIERARCH ESO ISS PBLA13 END | 47.1 |
| HIERARCH ESO ISS PBL14 START | 126.948 |
| HIERARCH ESO ISS PBL14 END | 127.617 |
| HIERARCH ESO ISS PBLA14 START | 66.431 |
| HIERARCH ESO ISS PBLA14 END | 65.687 |
| HIERARCH ESO ISS PBL23 START | 40.759 |
| HIERARCH ESO ISS PBL23 END | 41.233 |
| HIERARCH ESO ISS PBLA23 START | 53.2 |
| HIERARCH ESO ISS PBLA23 END | 52.9 |
| HIERARCH ESO ISS PBL24 START | 89.16 |
| HIERARCH ESO ISS PBL24 END | 88.949 |
| HIERARCH ESO ISS PBLA24 START | 78.292 |
| HIERARCH ESO ISS PBLA24 END | 77.385 |
| HIERARCH ESO ISS PBL34 START | 55.013 |
| HIERARCH ESO ISS PBL34 END | 54.209 |
| HIERARCH ESO ISS PBLA34 START | 96.577 |
| HIERARCH ESO ISS PBLA34 END | 95.79 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009968 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008778 |
| HIERARCH ESO ISS AMBI TEMP | 13.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |