Exposure
- ID
- GRAVI.2025-08-07T04:42:26.436_1
- Header ID
- GRAVI.2025-08-07T04:42:26.436
- Date updated
- 2025-08-07 04:50:49 UTC+0000
- Release date
- 2025-08-07 04:42:26 UTC+0000
- UTC Start
- 2025-08-07 04:42:26.436
- UTC End
- 2025-08-07 04:42:58.436
- MJD Start
- 60894.19613931
- MJD End
- 60894.19650968037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00703
- Ambient temperature (°C)
- 13.04
- Seeing (arcsec)
- 0.685
Observation
- ID
- 69353
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 51547
- Name
- HD_197900
- RA
- 312.079915
- DEC
- -44.19677
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.5830 | 53.5600 | 29.2000 | 29.3000 |
| U1-U3 | 97.5030 | 97.4540 | 35.8000 | 35.9000 |
| U1-U4 | 127.4510 | 127.3880 | 64.1530 | 64.2840 |
| U2-U3 | 44.7060 | 44.6820 | 43.7000 | 43.8000 |
| U2-U4 | 89.0190 | 88.9960 | 84.3400 | 84.4840 |
| U3-U4 | 62.2910 | 62.3030 | 112.1870 | 112.3280 |
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 | 60894.19613931 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 197900 |
| HIERARCH ESO INS SOBJ NAME | HD_197900 |
| RA | 312.079915 |
| DEC | -44.19677 |
| 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 | 53.583 |
| HIERARCH ESO ISS PBL12 END | 53.56 |
| HIERARCH ESO ISS PBLA12 START | 29.2 |
| HIERARCH ESO ISS PBLA12 END | 29.3 |
| HIERARCH ESO ISS PBL13 START | 97.503 |
| HIERARCH ESO ISS PBL13 END | 97.454 |
| HIERARCH ESO ISS PBLA13 START | 35.8 |
| HIERARCH ESO ISS PBLA13 END | 35.9 |
| HIERARCH ESO ISS PBL14 START | 127.451 |
| HIERARCH ESO ISS PBL14 END | 127.388 |
| HIERARCH ESO ISS PBLA14 START | 64.153 |
| HIERARCH ESO ISS PBLA14 END | 64.284 |
| HIERARCH ESO ISS PBL23 START | 44.706 |
| HIERARCH ESO ISS PBL23 END | 44.682 |
| HIERARCH ESO ISS PBLA23 START | 43.7 |
| HIERARCH ESO ISS PBLA23 END | 43.8 |
| HIERARCH ESO ISS PBL24 START | 89.019 |
| HIERARCH ESO ISS PBL24 END | 88.996 |
| HIERARCH ESO ISS PBLA24 START | 84.34 |
| HIERARCH ESO ISS PBLA24 END | 84.484 |
| HIERARCH ESO ISS PBL34 START | 62.291 |
| HIERARCH ESO ISS PBL34 END | 62.303 |
| HIERARCH ESO ISS PBLA34 START | 112.187 |
| HIERARCH ESO ISS PBLA34 END | 112.328 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006992 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007068 |
| HIERARCH ESO ISS AMBI TEMP | 13.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |