Exposure
- ID
- GRAVI.2025-11-10T01:23:47.180_1
- Header ID
- GRAVI.2025-11-10T01:23:47.180
- Date updated
- 2025-11-10 01:41:04 UTC+0000
- Release date
- 2025-11-10 01:23:47 UTC+0000
- UTC Start
- 2025-11-10 01:23:47.180
- UTC End
- 2025-11-10 01:28:03.180
- MJD Start
- 60989.05818495
- MJD End
- 60989.061147912966
- Exposure time (s)
- 256.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004575
- Ambient temperature (°C)
- 13.73
- Seeing (arcsec)
- 0.645
Observation
- ID
- 71373
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52994
- Name
- HD_220986
- RA
- 352.209233
- DEC
- -59.43674
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.5450 | 47.3210 | 35.1000 | 35.9000 |
| U1-U3 | 87.6670 | 87.2140 | 42.3000 | 43.2000 |
| U1-U4 | 122.4890 | 121.9570 | 70.8830 | 72.0060 |
| U2-U3 | 40.9380 | 40.7180 | 50.7000 | 51.7000 |
| U2-U4 | 88.3990 | 88.2220 | 89.2070 | 90.4130 |
| U3-U4 | 61.8470 | 61.9430 | 113.5340 | 114.7010 |
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 | 60989.05818495 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 220986 |
| HIERARCH ESO INS SOBJ NAME | HD_220986 |
| RA | 352.209233 |
| DEC | -59.43674 |
| 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 | 47.545 |
| HIERARCH ESO ISS PBL12 END | 47.321 |
| HIERARCH ESO ISS PBLA12 START | 35.1 |
| HIERARCH ESO ISS PBLA12 END | 35.9 |
| HIERARCH ESO ISS PBL13 START | 87.667 |
| HIERARCH ESO ISS PBL13 END | 87.214 |
| HIERARCH ESO ISS PBLA13 START | 42.3 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 122.489 |
| HIERARCH ESO ISS PBL14 END | 121.957 |
| HIERARCH ESO ISS PBLA14 START | 70.883 |
| HIERARCH ESO ISS PBLA14 END | 72.006 |
| HIERARCH ESO ISS PBL23 START | 40.938 |
| HIERARCH ESO ISS PBL23 END | 40.718 |
| HIERARCH ESO ISS PBLA23 START | 50.7 |
| HIERARCH ESO ISS PBLA23 END | 51.7 |
| HIERARCH ESO ISS PBL24 START | 88.399 |
| HIERARCH ESO ISS PBL24 END | 88.222 |
| HIERARCH ESO ISS PBLA24 START | 89.207 |
| HIERARCH ESO ISS PBLA24 END | 90.413 |
| HIERARCH ESO ISS PBL34 START | 61.847 |
| HIERARCH ESO ISS PBL34 END | 61.943 |
| HIERARCH ESO ISS PBLA34 START | 113.534 |
| HIERARCH ESO ISS PBLA34 END | 114.701 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004485 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004665 |
| HIERARCH ESO ISS AMBI TEMP | 13.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |