Exposure
- ID
- GRAVI.2025-11-07T08:13:45.260_2
- Header ID
- GRAVI.2025-11-07T08:13:45.260
- Date updated
- 2025-11-07 08:25:54 UTC+0000
- Release date
- 2026-11-07 08:25:53 UTC+0000
- UTC Start
- 2025-11-07 08:13:45.260
- UTC End
- 2025-11-07 08:16:33.260
- MJD Start
- 60986.34288495
- MJD End
- 60986.344829394446
- Exposure time (s)
- 168.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001596
- Ambient temperature (°C)
- 8.13
- Seeing (arcsec)
- 2.2
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 | 52.0490 | 51.8940 | 37.4000 | 37.7000 |
| U1-U3 | 93.4110 | 93.0750 | 44.2000 | 44.5000 |
| U1-U4 | 117.4010 | 116.7750 | 75.1350 | 75.5650 |
| U2-U3 | 42.1810 | 42.0000 | 52.6000 | 52.9000 |
| U2-U4 | 82.6380 | 82.2490 | 97.8140 | 98.3630 |
| U3-U4 | 60.8170 | 60.6870 | 127.3120 | 127.9170 |
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 | 60986.34288495 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 31430 |
| HIERARCH ESO INS SOBJ NAME | HD_31430 |
| RA | 73.519951 |
| 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 | 52.049 |
| HIERARCH ESO ISS PBL12 END | 51.894 |
| HIERARCH ESO ISS PBLA12 START | 37.4 |
| HIERARCH ESO ISS PBLA12 END | 37.7 |
| HIERARCH ESO ISS PBL13 START | 93.411 |
| HIERARCH ESO ISS PBL13 END | 93.075 |
| HIERARCH ESO ISS PBLA13 START | 44.2 |
| HIERARCH ESO ISS PBLA13 END | 44.5 |
| HIERARCH ESO ISS PBL14 START | 117.401 |
| HIERARCH ESO ISS PBL14 END | 116.775 |
| HIERARCH ESO ISS PBLA14 START | 75.135 |
| HIERARCH ESO ISS PBLA14 END | 75.565 |
| HIERARCH ESO ISS PBL23 START | 42.181 |
| HIERARCH ESO ISS PBL23 END | 42.0 |
| HIERARCH ESO ISS PBLA23 START | 52.6 |
| HIERARCH ESO ISS PBLA23 END | 52.9 |
| HIERARCH ESO ISS PBL24 START | 82.638 |
| HIERARCH ESO ISS PBL24 END | 82.249 |
| HIERARCH ESO ISS PBLA24 START | 97.814 |
| HIERARCH ESO ISS PBLA24 END | 98.363 |
| HIERARCH ESO ISS PBL34 START | 60.817 |
| HIERARCH ESO ISS PBL34 END | 60.687 |
| HIERARCH ESO ISS PBLA34 START | 127.312 |
| HIERARCH ESO ISS PBLA34 END | 127.917 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001637 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001555 |
| HIERARCH ESO ISS AMBI TEMP | 8.13 |
| HIERARCH ESO ISS AMBI FWHM START | 2.04 |
| HIERARCH ESO ISS AMBI FWHM END | 2.36 |
| HIERARCH ESO FT ROBJ NAME | HD_31430 |
| HIERARCH ESO FT ROBJ ALPHA | 045404.100 |
| HIERARCH ESO FT ROBJ DELTA | -380946.324 |