Exposure
- ID
- GRAVI.2025-11-07T07:33:21.156_2
- Header ID
- GRAVI.2025-11-07T07:33:21.156
- Date updated
- 2025-11-07 07:40:55 UTC+0000
- Release date
- 2026-11-07 07:40:55 UTC+0000
- UTC Start
- 2025-11-07 07:33:21.156
- UTC End
- 2025-11-07 07:34:45.156
- MJD Start
- 60986.3148282
- MJD End
- 60986.31580042222
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001899
- Ambient temperature (°C)
- 7.7
- Seeing (arcsec)
- 1.705
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 | 53.6670 | 53.6080 | 33.6000 | 33.7000 |
| U1-U3 | 96.9320 | 96.8040 | 40.3000 | 40.4000 |
| U1-U4 | 123.8220 | 123.5950 | 69.8280 | 70.0570 |
| U2-U3 | 44.0730 | 44.0040 | 48.4000 | 48.6000 |
| U2-U4 | 86.5710 | 86.4360 | 91.3320 | 91.6020 |
| U3-U4 | 62.0600 | 62.0220 | 120.2680 | 120.5570 |
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 | 60986.3148282 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 31430 |
| HIERARCH ESO INS SOBJ NAME | HD_31430 |
| RA | 73.520041 |
| DEC | -38.16257 |
| 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 | 109.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 84 |
| HIERARCH ESO ISS PBL12 START | 53.667 |
| HIERARCH ESO ISS PBL12 END | 53.608 |
| HIERARCH ESO ISS PBLA12 START | 33.6 |
| HIERARCH ESO ISS PBLA12 END | 33.7 |
| HIERARCH ESO ISS PBL13 START | 96.932 |
| HIERARCH ESO ISS PBL13 END | 96.804 |
| HIERARCH ESO ISS PBLA13 START | 40.3 |
| HIERARCH ESO ISS PBLA13 END | 40.4 |
| HIERARCH ESO ISS PBL14 START | 123.822 |
| HIERARCH ESO ISS PBL14 END | 123.595 |
| HIERARCH ESO ISS PBLA14 START | 69.828 |
| HIERARCH ESO ISS PBLA14 END | 70.057 |
| HIERARCH ESO ISS PBL23 START | 44.073 |
| HIERARCH ESO ISS PBL23 END | 44.004 |
| HIERARCH ESO ISS PBLA23 START | 48.4 |
| HIERARCH ESO ISS PBLA23 END | 48.6 |
| HIERARCH ESO ISS PBL24 START | 86.571 |
| HIERARCH ESO ISS PBL24 END | 86.436 |
| HIERARCH ESO ISS PBLA24 START | 91.332 |
| HIERARCH ESO ISS PBLA24 END | 91.602 |
| HIERARCH ESO ISS PBL34 START | 62.06 |
| HIERARCH ESO ISS PBL34 END | 62.022 |
| HIERARCH ESO ISS PBLA34 START | 120.268 |
| HIERARCH ESO ISS PBLA34 END | 120.557 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001828 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00197 |
| HIERARCH ESO ISS AMBI TEMP | 7.7 |
| HIERARCH ESO ISS AMBI FWHM START | 1.7 |
| HIERARCH ESO ISS AMBI FWHM END | 1.71 |
| HIERARCH ESO FT ROBJ NAME | HD_31430 |
| HIERARCH ESO FT ROBJ ALPHA | 045404.100 |
| HIERARCH ESO FT ROBJ DELTA | -380946.324 |