Exposure
- ID
- GRAVI.2025-11-07T07:22:51.130_2
- Header ID
- GRAVI.2025-11-07T07:22:51.130
- Date updated
- 2025-11-07 07:35:53 UTC+0000
- Release date
- 2026-11-07 07:35:53 UTC+0000
- UTC Start
- 2025-11-07 07:22:51.130
- UTC End
- 2025-11-07 07:25:39.130
- MJD Start
- 60986.30753623
- MJD End
- 60986.30948067445
- Exposure time (s)
- 168.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0018965
- Ambient temperature (°C)
- 7.68
- Seeing (arcsec)
- 1.65
Observation
- ID
- 71202
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 52869
- Name
- HD_31430
- RA
- 73.51708333333333
- DEC
- -38.16286777777778
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 | 54.0070 | 53.9020 | 32.5000 | 32.9000 |
| U1-U3 | 97.6690 | 97.4420 | 39.2000 | 39.5000 |
| U1-U4 | 125.1080 | 124.7150 | 68.4340 | 68.8790 |
| U2-U3 | 44.4640 | 44.3440 | 47.2000 | 47.6000 |
| U2-U4 | 87.3230 | 87.0960 | 89.7080 | 90.2230 |
| U3-U4 | 62.2540 | 62.1980 | 118.5480 | 119.0920 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.29H7.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60986.30753623 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 31430 |
| HIERARCH ESO INS SOBJ NAME | HD_31430 |
| RA | 73.520047 |
| DEC | -38.16255 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 204.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 168 |
| HIERARCH ESO ISS PBL12 START | 54.007 |
| HIERARCH ESO ISS PBL12 END | 53.902 |
| HIERARCH ESO ISS PBLA12 START | 32.5 |
| HIERARCH ESO ISS PBLA12 END | 32.9 |
| HIERARCH ESO ISS PBL13 START | 97.669 |
| HIERARCH ESO ISS PBL13 END | 97.442 |
| HIERARCH ESO ISS PBLA13 START | 39.2 |
| HIERARCH ESO ISS PBLA13 END | 39.5 |
| HIERARCH ESO ISS PBL14 START | 125.108 |
| HIERARCH ESO ISS PBL14 END | 124.715 |
| HIERARCH ESO ISS PBLA14 START | 68.434 |
| HIERARCH ESO ISS PBLA14 END | 68.879 |
| HIERARCH ESO ISS PBL23 START | 44.464 |
| HIERARCH ESO ISS PBL23 END | 44.344 |
| HIERARCH ESO ISS PBLA23 START | 47.2 |
| HIERARCH ESO ISS PBLA23 END | 47.6 |
| HIERARCH ESO ISS PBL24 START | 87.323 |
| HIERARCH ESO ISS PBL24 END | 87.096 |
| HIERARCH ESO ISS PBLA24 START | 89.708 |
| HIERARCH ESO ISS PBLA24 END | 90.223 |
| HIERARCH ESO ISS PBL34 START | 62.254 |
| HIERARCH ESO ISS PBL34 END | 62.198 |
| HIERARCH ESO ISS PBLA34 START | 118.548 |
| HIERARCH ESO ISS PBLA34 END | 119.092 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001864 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001929 |
| HIERARCH ESO ISS AMBI TEMP | 7.68 |
| HIERARCH ESO ISS AMBI FWHM START | 1.65 |
| HIERARCH ESO ISS AMBI FWHM END | 1.65 |
| HIERARCH ESO FT ROBJ NAME | HD_31430 |
| HIERARCH ESO FT ROBJ ALPHA | 045404.100 |
| HIERARCH ESO FT ROBJ DELTA | -380946.324 |