Exposure
- ID
- GRAVI.2023-12-29T03:58:44.531_2
- Header ID
- GRAVI.2023-12-29T03:58:44.531
- Date updated
- 2023-12-30 21:54:57 UTC+0000
- Release date
- 2024-12-29 04:16:11 UTC+0000
- UTC Start
- 2023-12-29 03:58:44.531
- UTC End
- 2023-12-29 04:05:24.531
- MJD Start
- 60307.16579318
- MJD End
- 60307.1704228096
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0099265
- Ambient temperature (°C)
- 13.45
- Seeing (arcsec)
- 0.475
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 | 43.0460 | 43.6890 | 41.6000 | 41.6000 |
| U1-U3 | 82.8290 | 83.9950 | 47.4000 | 47.2000 |
| U1-U4 | 126.1670 | 126.9180 | 67.1940 | 66.4620 |
| U2-U3 | 40.2420 | 40.7380 | 53.6000 | 53.3000 |
| U2-U4 | 89.3160 | 89.1680 | 79.2270 | 78.3300 |
| U3-U4 | 55.8090 | 55.0470 | 97.3910 | 96.6100 |
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 | 60307.16579318 |
| 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 | 43.046 |
| HIERARCH ESO ISS PBL12 END | 43.689 |
| HIERARCH ESO ISS PBLA12 START | 41.6 |
| HIERARCH ESO ISS PBLA12 END | 41.6 |
| HIERARCH ESO ISS PBL13 START | 82.829 |
| HIERARCH ESO ISS PBL13 END | 83.995 |
| HIERARCH ESO ISS PBLA13 START | 47.4 |
| HIERARCH ESO ISS PBLA13 END | 47.2 |
| HIERARCH ESO ISS PBL14 START | 126.167 |
| HIERARCH ESO ISS PBL14 END | 126.918 |
| HIERARCH ESO ISS PBLA14 START | 67.194 |
| HIERARCH ESO ISS PBLA14 END | 66.462 |
| HIERARCH ESO ISS PBL23 START | 40.242 |
| HIERARCH ESO ISS PBL23 END | 40.738 |
| HIERARCH ESO ISS PBLA23 START | 53.6 |
| HIERARCH ESO ISS PBLA23 END | 53.3 |
| HIERARCH ESO ISS PBL24 START | 89.316 |
| HIERARCH ESO ISS PBL24 END | 89.168 |
| HIERARCH ESO ISS PBLA24 START | 79.227 |
| HIERARCH ESO ISS PBLA24 END | 78.33 |
| HIERARCH ESO ISS PBL34 START | 55.809 |
| HIERARCH ESO ISS PBL34 END | 55.047 |
| HIERARCH ESO ISS PBLA34 START | 97.391 |
| HIERARCH ESO ISS PBLA34 END | 96.61 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010776 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009077 |
| HIERARCH ESO ISS AMBI TEMP | 13.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | HD31648 |
| HIERARCH ESO FT ROBJ ALPHA | 045846.265 |
| HIERARCH ESO FT ROBJ DELTA | 295036.987 |