Exposure
- ID
- GRAVI.2022-12-14T03:19:53.206_2
- Header ID
- GRAVI.2022-12-14T03:19:53.206
- Date updated
- 2022-12-14 03:30:47 UTC+0000
- Release date
- 2023-12-14 03:30:47 UTC+0000
- UTC Start
- 2022-12-14 03:19:53.206
- UTC End
- 2022-12-14 03:22:33.206
- MJD Start
- 59927.13881026
- MJD End
- 59927.1406621119
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009248
- Ambient temperature (°C)
- 13.28
- Seeing (arcsec)
- 0.845
Observation
- ID
- 53466
- Category
- science
- Program ID
- 110.240V.003
- Program Title
- FORMING PLANETS IN THE MULTIPLE STAR SYSTEM GG TAU
- Program Type
- Normal
- PI / COI
- DI FOLCO/ DUTREY/ BOCCALETTI/ GUILLOTEAU/ PANTIN/ TANG/ BECK/ BARY
Target
- ID
- 39757
- Name
- GGTau-Aa
- RA
- 68.1263833333333
- DEC
- 17.5280777777778
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 | 43.1680 | 43.4030 | 31.3000 | 31.6000 |
| U1-U3 | 80.3860 | 80.8790 | 39.1000 | 39.3000 |
| U1-U4 | 118.2330 | 118.8510 | 68.1330 | 68.0290 |
| U2-U3 | 38.0700 | 38.3160 | 47.9000 | 48.0000 |
| U2-U4 | 87.5980 | 87.8130 | 85.3220 | 85.1100 |
| U3-U4 | 61.8280 | 61.7180 | 107.2740 | 107.0810 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 110.240V.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59927.13881026 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | GG Tau A |
| HIERARCH ESO INS SOBJ NAME | GGTau-Ab |
| RA | 68.128495 |
| DEC | 17.52801 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 178.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 43.168 |
| HIERARCH ESO ISS PBL12 END | 43.403 |
| HIERARCH ESO ISS PBLA12 START | 31.3 |
| HIERARCH ESO ISS PBLA12 END | 31.6 |
| HIERARCH ESO ISS PBL13 START | 80.386 |
| HIERARCH ESO ISS PBL13 END | 80.879 |
| HIERARCH ESO ISS PBLA13 START | 39.1 |
| HIERARCH ESO ISS PBLA13 END | 39.3 |
| HIERARCH ESO ISS PBL14 START | 118.233 |
| HIERARCH ESO ISS PBL14 END | 118.851 |
| HIERARCH ESO ISS PBLA14 START | 68.133 |
| HIERARCH ESO ISS PBLA14 END | 68.029 |
| HIERARCH ESO ISS PBL23 START | 38.07 |
| HIERARCH ESO ISS PBL23 END | 38.316 |
| HIERARCH ESO ISS PBLA23 START | 47.9 |
| HIERARCH ESO ISS PBLA23 END | 48.0 |
| HIERARCH ESO ISS PBL24 START | 87.598 |
| HIERARCH ESO ISS PBL24 END | 87.813 |
| HIERARCH ESO ISS PBLA24 START | 85.322 |
| HIERARCH ESO ISS PBLA24 END | 85.11 |
| HIERARCH ESO ISS PBL34 START | 61.828 |
| HIERARCH ESO ISS PBL34 END | 61.718 |
| HIERARCH ESO ISS PBLA34 START | 107.274 |
| HIERARCH ESO ISS PBLA34 END | 107.081 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00813 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010366 |
| HIERARCH ESO ISS AMBI TEMP | 13.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | GGTau-Aa |
| HIERARCH ESO FT ROBJ ALPHA | 043230.332 |
| HIERARCH ESO FT ROBJ DELTA | 173141.080 |