Exposure
- ID
- GRAVI.2025-04-11T08:04:27.592_1
- Header ID
- GRAVI.2025-04-11T08:04:27.592
- Date updated
- 2025-04-11 08:10:52 UTC+0000
- Release date
- 2025-04-11 08:04:27 UTC+0000
- UTC Start
- 2025-04-11 08:04:27.592
- UTC End
- 2025-04-11 08:04:59.592
- MJD Start
- 60776.33643046
- MJD End
- 60776.33680083037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003555
- Ambient temperature (°C)
- 12.32
- Seeing (arcsec)
- 0.7250000000000001
Observation
- ID
- 66254
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 49318
- Name
- HD_137730
- RA
- 232.383481
- DEC
- -46.90748
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.6580 | 50.6190 | 36.4000 | 36.5000 |
| U1-U3 | 91.8090 | 91.7280 | 43.5000 | 43.6000 |
| U1-U4 | 120.7300 | 120.6080 | 73.9270 | 74.0690 |
| U2-U3 | 42.0030 | 41.9620 | 52.0000 | 52.2000 |
| U2-U4 | 86.2540 | 86.1920 | 94.8810 | 95.0440 |
| U3-U4 | 62.3820 | 62.3740 | 122.1320 | 122.2950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60776.33643046 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 137730 |
| HIERARCH ESO INS SOBJ NAME | HD_137730 |
| RA | 232.383481 |
| DEC | -46.90748 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 54.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 50.658 |
| HIERARCH ESO ISS PBL12 END | 50.619 |
| HIERARCH ESO ISS PBLA12 START | 36.4 |
| HIERARCH ESO ISS PBLA12 END | 36.5 |
| HIERARCH ESO ISS PBL13 START | 91.809 |
| HIERARCH ESO ISS PBL13 END | 91.728 |
| HIERARCH ESO ISS PBLA13 START | 43.5 |
| HIERARCH ESO ISS PBLA13 END | 43.6 |
| HIERARCH ESO ISS PBL14 START | 120.73 |
| HIERARCH ESO ISS PBL14 END | 120.608 |
| HIERARCH ESO ISS PBLA14 START | 73.927 |
| HIERARCH ESO ISS PBLA14 END | 74.069 |
| HIERARCH ESO ISS PBL23 START | 42.003 |
| HIERARCH ESO ISS PBL23 END | 41.962 |
| HIERARCH ESO ISS PBLA23 START | 52.0 |
| HIERARCH ESO ISS PBLA23 END | 52.2 |
| HIERARCH ESO ISS PBL24 START | 86.254 |
| HIERARCH ESO ISS PBL24 END | 86.192 |
| HIERARCH ESO ISS PBLA24 START | 94.881 |
| HIERARCH ESO ISS PBLA24 END | 95.044 |
| HIERARCH ESO ISS PBL34 START | 62.382 |
| HIERARCH ESO ISS PBL34 END | 62.374 |
| HIERARCH ESO ISS PBLA34 START | 122.132 |
| HIERARCH ESO ISS PBLA34 END | 122.295 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003555 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003555 |
| HIERARCH ESO ISS AMBI TEMP | 12.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |