Exposure
- ID
- GRAVI.2025-04-23T05:48:32.991_2
- Header ID
- GRAVI.2025-04-23T05:48:32.991
- Date updated
- 2025-04-23 06:00:40 UTC+0000
- Release date
- 2025-04-23 05:48:32 UTC+0000
- UTC Start
- 2025-04-23 05:48:32.991
- UTC End
- 2025-04-23 05:52:32.991
- MJD Start
- 60788.24204851
- MJD End
- 60788.24482628778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0049385
- Ambient temperature (°C)
- 12.77
- Seeing (arcsec)
- 0.8300000000000001
Observation
- ID
- 66933
- 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
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 90.4570 | 90.4820 | 125.5000 | 126.3000 |
| A0-J2 | 127.6800 | 127.4410 | 104.9000 | 105.7000 |
| A0-K0 | 121.6970 | 121.2170 | 84.4980 | 85.2890 |
| G1-J2 | 53.4760 | 53.2160 | 68.4000 | 69.1000 |
| G1-K0 | 79.7960 | 79.4880 | 36.5000 | 37.0160 |
| J2-K0 | 44.5180 | 44.5290 | 357.0930 | 357.6040 |
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 | 60788.24204851 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd123227b |
| HIERARCH ESO INS SOBJ NAME | hd123227b |
| RA | 211.919217 |
| DEC | -49.86683 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 90.457 |
| HIERARCH ESO ISS PBL12 END | 90.482 |
| HIERARCH ESO ISS PBLA12 START | 125.5 |
| HIERARCH ESO ISS PBLA12 END | 126.3 |
| HIERARCH ESO ISS PBL13 START | 127.68 |
| HIERARCH ESO ISS PBL13 END | 127.441 |
| HIERARCH ESO ISS PBLA13 START | 104.9 |
| HIERARCH ESO ISS PBLA13 END | 105.7 |
| HIERARCH ESO ISS PBL14 START | 121.697 |
| HIERARCH ESO ISS PBL14 END | 121.217 |
| HIERARCH ESO ISS PBLA14 START | 84.498 |
| HIERARCH ESO ISS PBLA14 END | 85.289 |
| HIERARCH ESO ISS PBL23 START | 53.476 |
| HIERARCH ESO ISS PBL23 END | 53.216 |
| HIERARCH ESO ISS PBLA23 START | 68.4 |
| HIERARCH ESO ISS PBLA23 END | 69.1 |
| HIERARCH ESO ISS PBL24 START | 79.796 |
| HIERARCH ESO ISS PBL24 END | 79.488 |
| HIERARCH ESO ISS PBLA24 START | 36.5 |
| HIERARCH ESO ISS PBLA24 END | 37.016 |
| HIERARCH ESO ISS PBL34 START | 44.518 |
| HIERARCH ESO ISS PBL34 END | 44.529 |
| HIERARCH ESO ISS PBLA34 START | 357.093 |
| HIERARCH ESO ISS PBLA34 END | 357.604 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004786 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005091 |
| HIERARCH ESO ISS AMBI TEMP | 12.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | hd123227a |
| HIERARCH ESO FT ROBJ ALPHA | 140741.528 |
| HIERARCH ESO FT ROBJ DELTA | -495203.322 |