Exposure
- ID
- GRAVI.2025-04-11T08:02:39.587_1
- Header ID
- GRAVI.2025-04-11T08:02:39.587
- Date updated
- 2025-04-11 08:10:52 UTC+0000
- Release date
- 2025-04-11 08:02:39 UTC+0000
- UTC Start
- 2025-04-11 08:02:39.587
- UTC End
- 2025-04-11 08:03:11.587
- MJD Start
- 60776.3351804
- MJD End
- 60776.33555077037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040615
- Ambient temperature (°C)
- 12.35
- Seeing (arcsec)
- 0.6
Observation
- ID
- 66253
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 49317
- Name
- HD_137730
- RA
- 232.383478
- DEC
- -46.90748
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.7360 | 50.6990 | 36.2000 | 36.3000 |
| U1-U3 | 91.9720 | 91.8950 | 43.3000 | 43.4000 |
| U1-U4 | 120.9750 | 120.8600 | 73.6370 | 73.7740 |
| U2-U3 | 42.0870 | 42.0480 | 51.8000 | 51.9000 |
| U2-U4 | 86.3760 | 86.3190 | 94.5510 | 94.7070 |
| U3-U4 | 62.3960 | 62.3900 | 121.8000 | 121.9560 |
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 | 60776.3351804 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 137730 |
| HIERARCH ESO INS SOBJ NAME | HD_137730 |
| RA | 232.383478 |
| 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 | 50.736 |
| HIERARCH ESO ISS PBL12 END | 50.699 |
| HIERARCH ESO ISS PBLA12 START | 36.2 |
| HIERARCH ESO ISS PBLA12 END | 36.3 |
| HIERARCH ESO ISS PBL13 START | 91.972 |
| HIERARCH ESO ISS PBL13 END | 91.895 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 120.975 |
| HIERARCH ESO ISS PBL14 END | 120.86 |
| HIERARCH ESO ISS PBLA14 START | 73.637 |
| HIERARCH ESO ISS PBLA14 END | 73.774 |
| HIERARCH ESO ISS PBL23 START | 42.087 |
| HIERARCH ESO ISS PBL23 END | 42.048 |
| HIERARCH ESO ISS PBLA23 START | 51.8 |
| HIERARCH ESO ISS PBLA23 END | 51.9 |
| HIERARCH ESO ISS PBL24 START | 86.376 |
| HIERARCH ESO ISS PBL24 END | 86.319 |
| HIERARCH ESO ISS PBLA24 START | 94.551 |
| HIERARCH ESO ISS PBLA24 END | 94.707 |
| HIERARCH ESO ISS PBL34 START | 62.396 |
| HIERARCH ESO ISS PBL34 END | 62.39 |
| HIERARCH ESO ISS PBLA34 START | 121.8 |
| HIERARCH ESO ISS PBLA34 END | 121.956 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004076 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004047 |
| HIERARCH ESO ISS AMBI TEMP | 12.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |