Exposure
- ID
- GRAVI.2023-01-09T04:24:13.437_2
- Header ID
- GRAVI.2023-01-09T04:24:13.437
- Date updated
- 2023-01-09 04:35:39 UTC+0000
- Release date
- 2024-01-09 04:35:39 UTC+0000
- UTC Start
- 2023-01-09 04:24:13.437
- UTC End
- 2023-01-09 04:26:53.437
- MJD Start
- 59953.18348885
- MJD End
- 59953.1853407019
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004709
- Ambient temperature (°C)
- 12.67
- Seeing (arcsec)
- 0.745
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 | 54.0770 | 54.1990 | 37.0000 | 36.9000 |
| U1-U3 | 100.2130 | 100.3810 | 40.9000 | 40.8000 |
| U1-U4 | 127.8870 | 127.6260 | 57.3190 | 57.0190 |
| U2-U3 | 46.4090 | 46.4480 | 45.4000 | 45.3000 |
| U2-U4 | 79.4480 | 78.9630 | 71.0200 | 70.6730 |
| U3-U4 | 42.5930 | 42.0310 | 99.0780 | 98.9750 |
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 | 59953.18348885 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | GG Tau A |
| HIERARCH ESO INS SOBJ NAME | GGTau-Ab |
| RA | 68.128489 |
| DEC | 17.52783 |
| 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 | 54.077 |
| HIERARCH ESO ISS PBL12 END | 54.199 |
| HIERARCH ESO ISS PBLA12 START | 37.0 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 100.213 |
| HIERARCH ESO ISS PBL13 END | 100.381 |
| HIERARCH ESO ISS PBLA13 START | 40.9 |
| HIERARCH ESO ISS PBLA13 END | 40.8 |
| HIERARCH ESO ISS PBL14 START | 127.887 |
| HIERARCH ESO ISS PBL14 END | 127.626 |
| HIERARCH ESO ISS PBLA14 START | 57.319 |
| HIERARCH ESO ISS PBLA14 END | 57.019 |
| HIERARCH ESO ISS PBL23 START | 46.409 |
| HIERARCH ESO ISS PBL23 END | 46.448 |
| HIERARCH ESO ISS PBLA23 START | 45.4 |
| HIERARCH ESO ISS PBLA23 END | 45.3 |
| HIERARCH ESO ISS PBL24 START | 79.448 |
| HIERARCH ESO ISS PBL24 END | 78.963 |
| HIERARCH ESO ISS PBLA24 START | 71.02 |
| HIERARCH ESO ISS PBLA24 END | 70.673 |
| HIERARCH ESO ISS PBL34 START | 42.593 |
| HIERARCH ESO ISS PBL34 END | 42.031 |
| HIERARCH ESO ISS PBLA34 START | 99.078 |
| HIERARCH ESO ISS PBLA34 END | 98.975 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004221 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005197 |
| HIERARCH ESO ISS AMBI TEMP | 12.67 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | GGTau-Aa |
| HIERARCH ESO FT ROBJ ALPHA | 043230.332 |
| HIERARCH ESO FT ROBJ DELTA | 173141.080 |