Exposure
- ID
- GRAVI.2025-04-09T04:28:35.757_2
- Header ID
- GRAVI.2025-04-09T04:28:35.757
- Date updated
- 2025-04-09 04:35:40 UTC+0000
- Release date
- 2025-04-09 04:28:35 UTC+0000
- UTC Start
- 2025-04-09 04:28:35.757
- UTC End
- 2025-04-09 04:28:47.757
- MJD Start
- 60774.18652497
- MJD End
- 60774.18666385889
- Exposure time (s)
- 12.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006265
- Ambient temperature (°C)
- 14.54
- Seeing (arcsec)
- 0.485
Observation
- ID
- 66098
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 49208
- Name
- hd123227b
- RA
- 211.9228775
- DEC
- -49.86734538888889
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 | 53.7790 | 53.7730 | 18.5000 | 18.6000 |
| U1-U3 | 98.7210 | 98.7090 | 24.6000 | 24.7000 |
| U1-U4 | 130.0720 | 130.0670 | 49.8970 | 49.9650 |
| U2-U3 | 45.5970 | 45.5910 | 31.7000 | 31.8000 |
| U2-U4 | 88.6830 | 88.6940 | 68.2920 | 68.3660 |
| U3-U4 | 58.7120 | 58.7340 | 95.8430 | 95.9120 |
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 | 60774.18652497 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd123227b |
| HIERARCH ESO INS SOBJ NAME | hd123227a |
| RA | 211.927327 |
| DEC | -49.86729 |
| 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 | 26.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 53.779 |
| HIERARCH ESO ISS PBL12 END | 53.773 |
| HIERARCH ESO ISS PBLA12 START | 18.5 |
| HIERARCH ESO ISS PBLA12 END | 18.6 |
| HIERARCH ESO ISS PBL13 START | 98.721 |
| HIERARCH ESO ISS PBL13 END | 98.709 |
| HIERARCH ESO ISS PBLA13 START | 24.6 |
| HIERARCH ESO ISS PBLA13 END | 24.7 |
| HIERARCH ESO ISS PBL14 START | 130.072 |
| HIERARCH ESO ISS PBL14 END | 130.067 |
| HIERARCH ESO ISS PBLA14 START | 49.897 |
| HIERARCH ESO ISS PBLA14 END | 49.965 |
| HIERARCH ESO ISS PBL23 START | 45.597 |
| HIERARCH ESO ISS PBL23 END | 45.591 |
| HIERARCH ESO ISS PBLA23 START | 31.7 |
| HIERARCH ESO ISS PBLA23 END | 31.8 |
| HIERARCH ESO ISS PBL24 START | 88.683 |
| HIERARCH ESO ISS PBL24 END | 88.694 |
| HIERARCH ESO ISS PBLA24 START | 68.292 |
| HIERARCH ESO ISS PBLA24 END | 68.366 |
| HIERARCH ESO ISS PBL34 START | 58.712 |
| HIERARCH ESO ISS PBL34 END | 58.734 |
| HIERARCH ESO ISS PBLA34 START | 95.843 |
| HIERARCH ESO ISS PBLA34 END | 95.912 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006136 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006394 |
| HIERARCH ESO ISS AMBI TEMP | 14.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | hd123227b |
| HIERARCH ESO FT ROBJ ALPHA | 140741.4906 |
| HIERARCH ESO FT ROBJ DELTA | -495202.4434 |