Exposure
- ID
- GRAVI.2025-11-07T08:04:15.236_2
- Header ID
- GRAVI.2025-11-07T08:04:15.236
- Date updated
- 2025-11-07 08:15:56 UTC+0000
- Release date
- 2026-11-07 08:15:56 UTC+0000
- UTC Start
- 2025-11-07 08:04:15.236
- UTC End
- 2025-11-07 08:07:03.236
- MJD Start
- 60986.33628745
- MJD End
- 60986.33823189445
- Exposure time (s)
- 168.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001519
- Ambient temperature (°C)
- 8.03
- Seeing (arcsec)
- 1.9849999999999999
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 | 52.4750 | 52.3310 | 36.5000 | 36.8000 |
| U1-U3 | 94.3410 | 94.0260 | 43.3000 | 43.6000 |
| U1-U4 | 119.1220 | 118.5410 | 73.8910 | 74.3210 |
| U2-U3 | 42.6820 | 42.5130 | 51.6000 | 52.0000 |
| U2-U4 | 83.7070 | 83.3470 | 96.2480 | 96.7870 |
| U3-U4 | 61.1730 | 61.0540 | 125.5900 | 126.1820 |
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 | 60986.33628745 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 31430 |
| HIERARCH ESO INS SOBJ NAME | HD_31430 |
| RA | 73.519972 |
| DEC | -38.16256 |
| 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 | 52.475 |
| HIERARCH ESO ISS PBL12 END | 52.331 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.8 |
| HIERARCH ESO ISS PBL13 START | 94.341 |
| HIERARCH ESO ISS PBL13 END | 94.026 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.6 |
| HIERARCH ESO ISS PBL14 START | 119.122 |
| HIERARCH ESO ISS PBL14 END | 118.541 |
| HIERARCH ESO ISS PBLA14 START | 73.891 |
| HIERARCH ESO ISS PBLA14 END | 74.321 |
| HIERARCH ESO ISS PBL23 START | 42.682 |
| HIERARCH ESO ISS PBL23 END | 42.513 |
| HIERARCH ESO ISS PBLA23 START | 51.6 |
| HIERARCH ESO ISS PBLA23 END | 52.0 |
| HIERARCH ESO ISS PBL24 START | 83.707 |
| HIERARCH ESO ISS PBL24 END | 83.347 |
| HIERARCH ESO ISS PBLA24 START | 96.248 |
| HIERARCH ESO ISS PBLA24 END | 96.787 |
| HIERARCH ESO ISS PBL34 START | 61.173 |
| HIERARCH ESO ISS PBL34 END | 61.054 |
| HIERARCH ESO ISS PBLA34 START | 125.59 |
| HIERARCH ESO ISS PBLA34 END | 126.182 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001312 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001726 |
| HIERARCH ESO ISS AMBI TEMP | 8.03 |
| HIERARCH ESO ISS AMBI FWHM START | 1.97 |
| HIERARCH ESO ISS AMBI FWHM END | 2.0 |
| HIERARCH ESO FT ROBJ NAME | HD_31430 |
| HIERARCH ESO FT ROBJ ALPHA | 045404.100 |
| HIERARCH ESO FT ROBJ DELTA | -380946.324 |