Exposure
- ID
- GRAVI.2023-12-29T02:50:23.358_2
- Header ID
- GRAVI.2023-12-29T02:50:23.358
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 03:05:54 UTC+0000
- UTC Start
- 2023-12-29 02:50:23.358
- UTC End
- 2023-12-29 02:57:03.358
- MJD Start
- 60307.1183259
- MJD End
- 60307.1229555296
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004556
- Ambient temperature (°C)
- 13.54
- Seeing (arcsec)
- 0.92
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 | 36.2970 | 37.0180 | 38.6000 | 39.1000 |
| U1-U3 | 69.8770 | 71.3270 | 47.0000 | 47.2000 |
| U1-U4 | 114.6280 | 116.1700 | 73.8290 | 73.1780 |
| U2-U3 | 34.3750 | 35.0620 | 55.8000 | 55.7000 |
| U2-U4 | 87.5180 | 87.9770 | 87.6710 | 86.8080 |
| U3-U4 | 61.0750 | 60.7160 | 104.9500 | 104.1610 |
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 | 60307.1183259 |
| 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 | 36.297 |
| HIERARCH ESO ISS PBL12 END | 37.018 |
| HIERARCH ESO ISS PBLA12 START | 38.6 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 69.877 |
| HIERARCH ESO ISS PBL13 END | 71.327 |
| HIERARCH ESO ISS PBLA13 START | 47.0 |
| HIERARCH ESO ISS PBLA13 END | 47.2 |
| HIERARCH ESO ISS PBL14 START | 114.628 |
| HIERARCH ESO ISS PBL14 END | 116.17 |
| HIERARCH ESO ISS PBLA14 START | 73.829 |
| HIERARCH ESO ISS PBLA14 END | 73.178 |
| HIERARCH ESO ISS PBL23 START | 34.375 |
| HIERARCH ESO ISS PBL23 END | 35.062 |
| HIERARCH ESO ISS PBLA23 START | 55.8 |
| HIERARCH ESO ISS PBLA23 END | 55.7 |
| HIERARCH ESO ISS PBL24 START | 87.518 |
| HIERARCH ESO ISS PBL24 END | 87.977 |
| HIERARCH ESO ISS PBLA24 START | 87.671 |
| HIERARCH ESO ISS PBLA24 END | 86.808 |
| HIERARCH ESO ISS PBL34 START | 61.075 |
| HIERARCH ESO ISS PBL34 END | 60.716 |
| HIERARCH ESO ISS PBLA34 START | 104.95 |
| HIERARCH ESO ISS PBLA34 END | 104.161 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004183 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004929 |
| HIERARCH ESO ISS AMBI TEMP | 13.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |