Exposure
- ID
- GRAVI.2023-12-29T02:57:59.377_2
- Header ID
- GRAVI.2023-12-29T02:57:59.377
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 03:15:35 UTC+0000
- UTC Start
- 2023-12-29 02:57:59.377
- UTC End
- 2023-12-29 03:04:39.377
- MJD Start
- 60307.1236039
- MJD End
- 60307.1282335296
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048545
- Ambient temperature (°C)
- 13.75
- Seeing (arcsec)
- 0.85
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 | 37.0760 | 37.7940 | 39.2000 | 39.6000 |
| U1-U3 | 71.4430 | 72.8680 | 47.2000 | 47.4000 |
| U1-U4 | 116.2910 | 117.7450 | 73.1250 | 72.4680 |
| U2-U3 | 35.1160 | 35.7840 | 55.7000 | 55.6000 |
| U2-U4 | 88.0110 | 88.4020 | 86.7390 | 85.8770 |
| U3-U4 | 60.6850 | 60.2800 | 104.0970 | 103.3130 |
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 | 60307.1236039 |
| 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 | 37.076 |
| HIERARCH ESO ISS PBL12 END | 37.794 |
| HIERARCH ESO ISS PBLA12 START | 39.2 |
| HIERARCH ESO ISS PBLA12 END | 39.6 |
| HIERARCH ESO ISS PBL13 START | 71.443 |
| HIERARCH ESO ISS PBL13 END | 72.868 |
| HIERARCH ESO ISS PBLA13 START | 47.2 |
| HIERARCH ESO ISS PBLA13 END | 47.4 |
| HIERARCH ESO ISS PBL14 START | 116.291 |
| HIERARCH ESO ISS PBL14 END | 117.745 |
| HIERARCH ESO ISS PBLA14 START | 73.125 |
| HIERARCH ESO ISS PBLA14 END | 72.468 |
| HIERARCH ESO ISS PBL23 START | 35.116 |
| HIERARCH ESO ISS PBL23 END | 35.784 |
| HIERARCH ESO ISS PBLA23 START | 55.7 |
| HIERARCH ESO ISS PBLA23 END | 55.6 |
| HIERARCH ESO ISS PBL24 START | 88.011 |
| HIERARCH ESO ISS PBL24 END | 88.402 |
| HIERARCH ESO ISS PBLA24 START | 86.739 |
| HIERARCH ESO ISS PBLA24 END | 85.877 |
| HIERARCH ESO ISS PBL34 START | 60.685 |
| HIERARCH ESO ISS PBL34 END | 60.28 |
| HIERARCH ESO ISS PBLA34 START | 104.097 |
| HIERARCH ESO ISS PBLA34 END | 103.313 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005265 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004444 |
| HIERARCH ESO ISS AMBI TEMP | 13.75 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |