Exposure
- ID
- GRAVI.2025-11-10T02:21:08.325_1
- Header ID
- GRAVI.2025-11-10T02:21:08.325
- Date updated
- 2025-11-10 02:40:55 UTC+0000
- Release date
- 2025-11-10 02:21:08 UTC+0000
- UTC Start
- 2025-11-10 02:21:08.325
- UTC End
- 2025-11-10 02:25:24.325
- MJD Start
- 60989.09801302
- MJD End
- 60989.10097598296
- Exposure time (s)
- 256.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005834499999999999
- Ambient temperature (°C)
- 14.36
- Seeing (arcsec)
- 0.77
Observation
- ID
- 71379
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 53000
- Name
- HD_31349
- RA
- 73.322804
- DEC
- -38.14409
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4690 | 56.4750 | 354.5000 | 355.3000 |
| U1-U3 | 102.3880 | 102.3870 | 358.4000 | 359.3000 |
| U1-U4 | 119.7060 | 120.0040 | 17.0290 | 18.3420 |
| U2-U3 | 46.2190 | 46.2270 | 3.3000 | 4.3000 |
| U2-U4 | 70.9590 | 71.5650 | 34.8190 | 36.3660 |
| U3-U4 | 39.7840 | 40.6640 | 72.2830 | 73.5350 |
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 | 60989.09801302 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 31349 |
| HIERARCH ESO INS SOBJ NAME | HD_31349 |
| RA | 73.322804 |
| DEC | -38.14409 |
| 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 | 337.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 256 |
| HIERARCH ESO ISS PBL12 START | 56.469 |
| HIERARCH ESO ISS PBL12 END | 56.475 |
| HIERARCH ESO ISS PBLA12 START | 354.5 |
| HIERARCH ESO ISS PBLA12 END | 355.3 |
| HIERARCH ESO ISS PBL13 START | 102.388 |
| HIERARCH ESO ISS PBL13 END | 102.387 |
| HIERARCH ESO ISS PBLA13 START | 358.4 |
| HIERARCH ESO ISS PBLA13 END | 359.3 |
| HIERARCH ESO ISS PBL14 START | 119.706 |
| HIERARCH ESO ISS PBL14 END | 120.004 |
| HIERARCH ESO ISS PBLA14 START | 17.029 |
| HIERARCH ESO ISS PBLA14 END | 18.342 |
| HIERARCH ESO ISS PBL23 START | 46.219 |
| HIERARCH ESO ISS PBL23 END | 46.227 |
| HIERARCH ESO ISS PBLA23 START | 3.3 |
| HIERARCH ESO ISS PBLA23 END | 4.3 |
| HIERARCH ESO ISS PBL24 START | 70.959 |
| HIERARCH ESO ISS PBL24 END | 71.565 |
| HIERARCH ESO ISS PBLA24 START | 34.819 |
| HIERARCH ESO ISS PBLA24 END | 36.366 |
| HIERARCH ESO ISS PBL34 START | 39.784 |
| HIERARCH ESO ISS PBL34 END | 40.664 |
| HIERARCH ESO ISS PBLA34 START | 72.283 |
| HIERARCH ESO ISS PBLA34 END | 73.535 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00498 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006689 |
| HIERARCH ESO ISS AMBI TEMP | 14.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |