Exposure
- ID
- GRAVI.2025-04-11T08:10:18.606_1
- Header ID
- GRAVI.2025-04-11T08:10:18.606
- Date updated
- 2025-04-11 08:20:38 UTC+0000
- Release date
- 2025-04-11 08:10:18 UTC+0000
- UTC Start
- 2025-04-11 08:10:18.606
- UTC End
- 2025-04-11 08:10:50.606
- MJD Start
- 60776.34049313
- MJD End
- 60776.34086350037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003555
- Ambient temperature (°C)
- 12.4
- Seeing (arcsec)
- 0.74
Observation
- ID
- 66257
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 49321
- Name
- HD_137730
- RA
- 232.383492
- DEC
- -46.90749
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.3900 | 50.3510 | 37.1000 | 37.2000 |
| U1-U3 | 91.2480 | 91.1670 | 44.2000 | 44.3000 |
| U1-U4 | 119.8850 | 119.7630 | 74.8960 | 75.0330 |
| U2-U3 | 41.7160 | 41.6750 | 52.8000 | 52.9000 |
| U2-U4 | 85.8260 | 85.7640 | 95.9900 | 96.1470 |
| U3-U4 | 62.3260 | 62.3170 | 123.2460 | 123.4040 |
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 | 60776.34049313 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 137730 |
| HIERARCH ESO INS SOBJ NAME | HD_137730 |
| RA | 232.383492 |
| DEC | -46.90749 |
| 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 | 50.39 |
| HIERARCH ESO ISS PBL12 END | 50.351 |
| HIERARCH ESO ISS PBLA12 START | 37.1 |
| HIERARCH ESO ISS PBLA12 END | 37.2 |
| HIERARCH ESO ISS PBL13 START | 91.248 |
| HIERARCH ESO ISS PBL13 END | 91.167 |
| HIERARCH ESO ISS PBLA13 START | 44.2 |
| HIERARCH ESO ISS PBLA13 END | 44.3 |
| HIERARCH ESO ISS PBL14 START | 119.885 |
| HIERARCH ESO ISS PBL14 END | 119.763 |
| HIERARCH ESO ISS PBLA14 START | 74.896 |
| HIERARCH ESO ISS PBLA14 END | 75.033 |
| HIERARCH ESO ISS PBL23 START | 41.716 |
| HIERARCH ESO ISS PBL23 END | 41.675 |
| HIERARCH ESO ISS PBLA23 START | 52.8 |
| HIERARCH ESO ISS PBLA23 END | 52.9 |
| HIERARCH ESO ISS PBL24 START | 85.826 |
| HIERARCH ESO ISS PBL24 END | 85.764 |
| HIERARCH ESO ISS PBLA24 START | 95.99 |
| HIERARCH ESO ISS PBLA24 END | 96.147 |
| HIERARCH ESO ISS PBL34 START | 62.326 |
| HIERARCH ESO ISS PBL34 END | 62.317 |
| HIERARCH ESO ISS PBLA34 START | 123.246 |
| HIERARCH ESO ISS PBLA34 END | 123.404 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003555 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003555 |
| HIERARCH ESO ISS AMBI TEMP | 12.4 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |