Exposure
- ID
- GRAVI.2025-11-10T02:27:23.342_1
- Header ID
- GRAVI.2025-11-10T02:27:23.342
- Date updated
- 2025-11-10 02:45:34 UTC+0000
- Release date
- 2025-11-10 02:27:23 UTC+0000
- UTC Start
- 2025-11-10 02:27:23.342
- UTC End
- 2025-11-10 02:31:39.342
- MJD Start
- 60989.10235349
- MJD End
- 60989.105316452966
- Exposure time (s)
- 256.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007091
- Ambient temperature (°C)
- 14.26
- Seeing (arcsec)
- 0.655
Observation
- ID
- 71380
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 53001
- Name
- HD_31349
- RA
- 73.322805
- DEC
- -38.14409
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4750 | 56.4800 | 355.4000 | 356.2000 |
| U1-U3 | 102.3870 | 102.3870 | 359.4000 | 0.3000 |
| U1-U4 | 120.0390 | 120.3550 | 18.4890 | 19.7900 |
| U2-U3 | 46.2280 | 46.2380 | 4.4000 | 5.4000 |
| U2-U4 | 71.6340 | 72.2550 | 36.5390 | 38.0540 |
| U3-U4 | 40.7630 | 41.6350 | 73.6740 | 74.8810 |
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 | 60989.10235349 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 31349 |
| HIERARCH ESO INS SOBJ NAME | HD_31349 |
| RA | 73.322805 |
| 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 | 56.475 |
| HIERARCH ESO ISS PBL12 END | 56.48 |
| HIERARCH ESO ISS PBLA12 START | 355.4 |
| HIERARCH ESO ISS PBLA12 END | 356.2 |
| HIERARCH ESO ISS PBL13 START | 102.387 |
| HIERARCH ESO ISS PBL13 END | 102.387 |
| HIERARCH ESO ISS PBLA13 START | 359.4 |
| HIERARCH ESO ISS PBLA13 END | 0.3 |
| HIERARCH ESO ISS PBL14 START | 120.039 |
| HIERARCH ESO ISS PBL14 END | 120.355 |
| HIERARCH ESO ISS PBLA14 START | 18.489 |
| HIERARCH ESO ISS PBLA14 END | 19.79 |
| HIERARCH ESO ISS PBL23 START | 46.228 |
| HIERARCH ESO ISS PBL23 END | 46.238 |
| HIERARCH ESO ISS PBLA23 START | 4.4 |
| HIERARCH ESO ISS PBLA23 END | 5.4 |
| HIERARCH ESO ISS PBL24 START | 71.634 |
| HIERARCH ESO ISS PBL24 END | 72.255 |
| HIERARCH ESO ISS PBLA24 START | 36.539 |
| HIERARCH ESO ISS PBLA24 END | 38.054 |
| HIERARCH ESO ISS PBL34 START | 40.763 |
| HIERARCH ESO ISS PBL34 END | 41.635 |
| HIERARCH ESO ISS PBLA34 START | 73.674 |
| HIERARCH ESO ISS PBLA34 END | 74.881 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006689 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007493 |
| HIERARCH ESO ISS AMBI TEMP | 14.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |