Exposure
- ID
- GRAVI.2022-12-14T03:09:35.180_2
- Header ID
- GRAVI.2022-12-14T03:09:35.180
- Date updated
- 2022-12-14 03:20:49 UTC+0000
- Release date
- 2023-12-14 03:20:49 UTC+0000
- UTC Start
- 2022-12-14 03:09:35.180
- UTC End
- 2022-12-14 03:12:15.180
- MJD Start
- 59927.13165718
- MJD End
- 59927.1335090319
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011289
- Ambient temperature (°C)
- 12.92
- Seeing (arcsec)
- 0.77
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 | 42.3570 | 42.5910 | 30.2000 | 30.6000 |
| U1-U3 | 78.6570 | 79.1590 | 38.3000 | 38.5000 |
| U1-U4 | 115.9700 | 116.6430 | 68.4690 | 68.3760 |
| U2-U3 | 37.1980 | 37.4530 | 47.5000 | 47.6000 |
| U2-U4 | 86.7500 | 87.0110 | 86.0570 | 85.8450 |
| U3-U4 | 62.1420 | 62.0620 | 107.9590 | 107.7580 |
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 | 59927.13165718 |
| 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 | 42.357 |
| HIERARCH ESO ISS PBL12 END | 42.591 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 30.6 |
| HIERARCH ESO ISS PBL13 START | 78.657 |
| HIERARCH ESO ISS PBL13 END | 79.159 |
| HIERARCH ESO ISS PBLA13 START | 38.3 |
| HIERARCH ESO ISS PBLA13 END | 38.5 |
| HIERARCH ESO ISS PBL14 START | 115.97 |
| HIERARCH ESO ISS PBL14 END | 116.643 |
| HIERARCH ESO ISS PBLA14 START | 68.469 |
| HIERARCH ESO ISS PBLA14 END | 68.376 |
| HIERARCH ESO ISS PBL23 START | 37.198 |
| HIERARCH ESO ISS PBL23 END | 37.453 |
| HIERARCH ESO ISS PBLA23 START | 47.5 |
| HIERARCH ESO ISS PBLA23 END | 47.6 |
| HIERARCH ESO ISS PBL24 START | 86.75 |
| HIERARCH ESO ISS PBL24 END | 87.011 |
| HIERARCH ESO ISS PBLA24 START | 86.057 |
| HIERARCH ESO ISS PBLA24 END | 85.845 |
| HIERARCH ESO ISS PBL34 START | 62.142 |
| HIERARCH ESO ISS PBL34 END | 62.062 |
| HIERARCH ESO ISS PBLA34 START | 107.959 |
| HIERARCH ESO ISS PBLA34 END | 107.758 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011979 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010599 |
| HIERARCH ESO ISS AMBI TEMP | 12.92 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | GGTau-Aa |
| HIERARCH ESO FT ROBJ ALPHA | 043230.332 |
| HIERARCH ESO FT ROBJ DELTA | 173141.080 |