Exposure
- ID
- GRAVI.2025-04-11T08:08:24.602_1
- Header ID
- GRAVI.2025-04-11T08:08:24.602
- Date updated
- 2025-04-11 08:15:44 UTC+0000
- Release date
- 2025-04-11 08:08:24 UTC+0000
- UTC Start
- 2025-04-11 08:08:24.602
- UTC End
- 2025-04-11 08:08:56.602
- MJD Start
- 60776.33917363
- MJD End
- 60776.339544000366
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003555
- Ambient temperature (°C)
- 12.39
- Seeing (arcsec)
- 0.8
Observation
- ID
- 66256
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 49320
- Name
- HD_137730
- RA
- 232.383497
- DEC
- -46.90748
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.4790 | 50.4410 | 36.9000 | 37.0000 |
| U1-U3 | 91.4340 | 91.3540 | 44.0000 | 44.1000 |
| U1-U4 | 120.1660 | 120.0460 | 74.5790 | 74.7160 |
| U2-U3 | 41.8120 | 41.7710 | 52.6000 | 52.7000 |
| U2-U4 | 85.9690 | 85.9080 | 95.6260 | 95.7830 |
| U3-U4 | 62.3450 | 62.3370 | 122.8800 | 123.0380 |
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 | 60776.33917363 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 137730 |
| HIERARCH ESO INS SOBJ NAME | HD_137730 |
| RA | 232.383497 |
| 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 | 50.479 |
| HIERARCH ESO ISS PBL12 END | 50.441 |
| HIERARCH ESO ISS PBLA12 START | 36.9 |
| HIERARCH ESO ISS PBLA12 END | 37.0 |
| HIERARCH ESO ISS PBL13 START | 91.434 |
| HIERARCH ESO ISS PBL13 END | 91.354 |
| HIERARCH ESO ISS PBLA13 START | 44.0 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 120.166 |
| HIERARCH ESO ISS PBL14 END | 120.046 |
| HIERARCH ESO ISS PBLA14 START | 74.579 |
| HIERARCH ESO ISS PBLA14 END | 74.716 |
| HIERARCH ESO ISS PBL23 START | 41.812 |
| HIERARCH ESO ISS PBL23 END | 41.771 |
| HIERARCH ESO ISS PBLA23 START | 52.6 |
| HIERARCH ESO ISS PBLA23 END | 52.7 |
| HIERARCH ESO ISS PBL24 START | 85.969 |
| HIERARCH ESO ISS PBL24 END | 85.908 |
| HIERARCH ESO ISS PBLA24 START | 95.626 |
| HIERARCH ESO ISS PBLA24 END | 95.783 |
| HIERARCH ESO ISS PBL34 START | 62.345 |
| HIERARCH ESO ISS PBL34 END | 62.337 |
| HIERARCH ESO ISS PBLA34 START | 122.88 |
| HIERARCH ESO ISS PBLA34 END | 123.038 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003555 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003555 |
| HIERARCH ESO ISS AMBI TEMP | 12.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |