Exposure
- ID
- GRAVI.2023-12-29T02:20:20.281_2
- Header ID
- GRAVI.2023-12-29T02:20:20.281
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 02:35:38 UTC+0000
- UTC Start
- 2023-12-29 02:20:20.281
- UTC End
- 2023-12-29 02:27:00.281
- MJD Start
- 60307.09745696
- MJD End
- 60307.1020865896
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.01024
- Ambient temperature (°C)
- 13.01
- Seeing (arcsec)
- 0.41
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 | 33.2210 | 33.9360 | 35.7000 | 36.5000 |
| U1-U3 | 63.4730 | 64.9960 | 45.5000 | 45.9000 |
| U1-U4 | 107.1370 | 109.0180 | 76.5610 | 75.9270 |
| U2-U3 | 31.2500 | 32.0070 | 55.9000 | 55.9000 |
| U2-U4 | 84.8570 | 85.5800 | 91.4130 | 90.5270 |
| U3-U4 | 62.1430 | 61.9610 | 108.4090 | 107.5860 |
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 | 60307.09745696 |
| 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 | 33.221 |
| HIERARCH ESO ISS PBL12 END | 33.936 |
| HIERARCH ESO ISS PBLA12 START | 35.7 |
| HIERARCH ESO ISS PBLA12 END | 36.5 |
| HIERARCH ESO ISS PBL13 START | 63.473 |
| HIERARCH ESO ISS PBL13 END | 64.996 |
| HIERARCH ESO ISS PBLA13 START | 45.5 |
| HIERARCH ESO ISS PBLA13 END | 45.9 |
| HIERARCH ESO ISS PBL14 START | 107.137 |
| HIERARCH ESO ISS PBL14 END | 109.018 |
| HIERARCH ESO ISS PBLA14 START | 76.561 |
| HIERARCH ESO ISS PBLA14 END | 75.927 |
| HIERARCH ESO ISS PBL23 START | 31.25 |
| HIERARCH ESO ISS PBL23 END | 32.007 |
| HIERARCH ESO ISS PBLA23 START | 55.9 |
| HIERARCH ESO ISS PBLA23 END | 55.9 |
| HIERARCH ESO ISS PBL24 START | 84.857 |
| HIERARCH ESO ISS PBL24 END | 85.58 |
| HIERARCH ESO ISS PBLA24 START | 91.413 |
| HIERARCH ESO ISS PBLA24 END | 90.527 |
| HIERARCH ESO ISS PBL34 START | 62.143 |
| HIERARCH ESO ISS PBL34 END | 61.961 |
| HIERARCH ESO ISS PBLA34 START | 108.409 |
| HIERARCH ESO ISS PBLA34 END | 107.586 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010534 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009946 |
| HIERARCH ESO ISS AMBI TEMP | 13.01 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |