Exposure
- ID
- GRAVI.2025-03-12T05:09:02.513_2
- Header ID
- GRAVI.2025-03-12T05:09:02.513
- Date updated
- 2025-03-12 05:15:39 UTC+0000
- Release date
- 2025-03-12 05:09:02 UTC+0000
- UTC Start
- 2025-03-12 05:09:02.513
- UTC End
- 2025-03-12 05:10:22.513
- MJD Start
- 60746.21461242
- MJD End
- 60746.215538345925
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.016399
- Ambient temperature (°C)
- 14.08
- Seeing (arcsec)
- 0.325
Observation
- ID
- 65029
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 48419
- Name
- hd91881b
- RA
- 159.01844083333333
- DEC
- -26.675296722222225
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.1150 | 25.1050 | 151.2000 | 151.4000 |
| A0-D0 | 30.7790 | 30.7260 | 78.4000 | 78.6000 |
| A0-C1 | 22.0750 | 22.0500 | 124.8410 | 125.0630 |
| B2-D0 | 33.4480 | 33.4290 | 32.6000 | 32.8000 |
| B2-C1 | 11.1420 | 11.1360 | 32.5980 | 32.7240 |
| D0-C1 | 22.3060 | 22.2930 | 212.6610 | 212.7870 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60746.21461242 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd91881b |
| HIERARCH ESO INS SOBJ NAME | hd91881a |
| RA | 159.01611 |
| DEC | -26.67582 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 25.115 |
| HIERARCH ESO ISS PBL12 END | 25.105 |
| HIERARCH ESO ISS PBLA12 START | 151.2 |
| HIERARCH ESO ISS PBLA12 END | 151.4 |
| HIERARCH ESO ISS PBL13 START | 30.779 |
| HIERARCH ESO ISS PBL13 END | 30.726 |
| HIERARCH ESO ISS PBLA13 START | 78.4 |
| HIERARCH ESO ISS PBLA13 END | 78.6 |
| HIERARCH ESO ISS PBL14 START | 22.075 |
| HIERARCH ESO ISS PBL14 END | 22.05 |
| HIERARCH ESO ISS PBLA14 START | 124.841 |
| HIERARCH ESO ISS PBLA14 END | 125.063 |
| HIERARCH ESO ISS PBL23 START | 33.448 |
| HIERARCH ESO ISS PBL23 END | 33.429 |
| HIERARCH ESO ISS PBLA23 START | 32.6 |
| HIERARCH ESO ISS PBLA23 END | 32.8 |
| HIERARCH ESO ISS PBL24 START | 11.142 |
| HIERARCH ESO ISS PBL24 END | 11.136 |
| HIERARCH ESO ISS PBLA24 START | 32.598 |
| HIERARCH ESO ISS PBLA24 END | 32.724 |
| HIERARCH ESO ISS PBL34 START | 22.306 |
| HIERARCH ESO ISS PBL34 END | 22.293 |
| HIERARCH ESO ISS PBLA34 START | 212.661 |
| HIERARCH ESO ISS PBLA34 END | 212.787 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.016086 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.016712 |
| HIERARCH ESO ISS AMBI TEMP | 14.08 |
| HIERARCH ESO ISS AMBI FWHM START | 0.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.31 |
| HIERARCH ESO FT ROBJ NAME | hd91881b |
| HIERARCH ESO FT ROBJ ALPHA | 103604.4258 |
| HIERARCH ESO FT ROBJ DELTA | -264031.0682 |