Exposure
- ID
- GRAVI.2025-04-09T06:21:45.147_2
- Header ID
- GRAVI.2025-04-09T06:21:45.147
- Date updated
- 2025-04-09 06:30:52 UTC+0000
- Release date
- 2025-04-09 06:21:45 UTC+0000
- UTC Start
- 2025-04-09 06:21:45.147
- UTC End
- 2025-04-09 06:23:05.147
- MJD Start
- 60774.26510587
- MJD End
- 60774.26603179592
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003795
- Ambient temperature (°C)
- 14.31
- Seeing (arcsec)
- 0.76
Observation
- ID
- 66095
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 49205
- Name
- hd123227a
- RA
- 211.9230333333333
- DEC
- -49.86758944444445
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 | 50.7920 | 50.7320 | 33.8000 | 34.0000 |
| U1-U3 | 92.5840 | 92.4600 | 40.8000 | 41.0000 |
| U1-U4 | 123.5760 | 123.4090 | 70.1070 | 70.3740 |
| U2-U3 | 42.6190 | 42.5570 | 49.1000 | 49.3000 |
| U2-U4 | 87.9590 | 87.8890 | 90.1070 | 90.4020 |
| U3-U4 | 62.4090 | 62.4190 | 116.7240 | 117.0140 |
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 | 60774.26510587 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd123227b |
| HIERARCH ESO INS SOBJ NAME | hd123227b |
| RA | 211.925767 |
| DEC | -49.86685 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 96.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 50.792 |
| HIERARCH ESO ISS PBL12 END | 50.732 |
| HIERARCH ESO ISS PBLA12 START | 33.8 |
| HIERARCH ESO ISS PBLA12 END | 34.0 |
| HIERARCH ESO ISS PBL13 START | 92.584 |
| HIERARCH ESO ISS PBL13 END | 92.46 |
| HIERARCH ESO ISS PBLA13 START | 40.8 |
| HIERARCH ESO ISS PBLA13 END | 41.0 |
| HIERARCH ESO ISS PBL14 START | 123.576 |
| HIERARCH ESO ISS PBL14 END | 123.409 |
| HIERARCH ESO ISS PBLA14 START | 70.107 |
| HIERARCH ESO ISS PBLA14 END | 70.374 |
| HIERARCH ESO ISS PBL23 START | 42.619 |
| HIERARCH ESO ISS PBL23 END | 42.557 |
| HIERARCH ESO ISS PBLA23 START | 49.1 |
| HIERARCH ESO ISS PBLA23 END | 49.3 |
| HIERARCH ESO ISS PBL24 START | 87.959 |
| HIERARCH ESO ISS PBL24 END | 87.889 |
| HIERARCH ESO ISS PBLA24 START | 90.107 |
| HIERARCH ESO ISS PBLA24 END | 90.402 |
| HIERARCH ESO ISS PBL34 START | 62.409 |
| HIERARCH ESO ISS PBL34 END | 62.419 |
| HIERARCH ESO ISS PBLA34 START | 116.724 |
| HIERARCH ESO ISS PBLA34 END | 117.014 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003795 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003795 |
| HIERARCH ESO ISS AMBI TEMP | 14.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | hd123227a |
| HIERARCH ESO FT ROBJ ALPHA | 140741.528 |
| HIERARCH ESO FT ROBJ DELTA | -495203.322 |