Exposure
- ID
- GRAVI.2025-11-10T01:16:56.163_1
- Header ID
- GRAVI.2025-11-10T01:16:56.163
- Date updated
- 2025-11-10 01:35:37 UTC+0000
- Release date
- 2025-11-10 01:16:56 UTC+0000
- UTC Start
- 2025-11-10 01:16:56.163
- UTC End
- 2025-11-10 01:21:12.163
- MJD Start
- 60989.05342781
- MJD End
- 60989.05639077297
- Exposure time (s)
- 256.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045000000000000005
- Ambient temperature (°C)
- 13.71
- Seeing (arcsec)
- 0.66
Observation
- ID
- 71372
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52993
- Name
- HD_220986
- RA
- 352.209236
- DEC
- -59.43674
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.8110 | 47.5960 | 34.1000 | 34.9000 |
| U1-U3 | 88.2070 | 87.7700 | 41.2000 | 42.1000 |
| U1-U4 | 123.1170 | 122.6100 | 69.5020 | 70.6230 |
| U2-U3 | 41.1990 | 40.9880 | 49.5000 | 50.5000 |
| U2-U4 | 88.5970 | 88.4380 | 87.7240 | 88.9280 |
| U3-U4 | 61.7150 | 61.8230 | 112.0990 | 113.2640 |
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 | 60989.05342781 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 220986 |
| HIERARCH ESO INS SOBJ NAME | HD_220986 |
| RA | 352.209236 |
| 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 | 47.811 |
| HIERARCH ESO ISS PBL12 END | 47.596 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 34.9 |
| HIERARCH ESO ISS PBL13 START | 88.207 |
| HIERARCH ESO ISS PBL13 END | 87.77 |
| HIERARCH ESO ISS PBLA13 START | 41.2 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 123.117 |
| HIERARCH ESO ISS PBL14 END | 122.61 |
| HIERARCH ESO ISS PBLA14 START | 69.502 |
| HIERARCH ESO ISS PBLA14 END | 70.623 |
| HIERARCH ESO ISS PBL23 START | 41.199 |
| HIERARCH ESO ISS PBL23 END | 40.988 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 50.5 |
| HIERARCH ESO ISS PBL24 START | 88.597 |
| HIERARCH ESO ISS PBL24 END | 88.438 |
| HIERARCH ESO ISS PBLA24 START | 87.724 |
| HIERARCH ESO ISS PBLA24 END | 88.928 |
| HIERARCH ESO ISS PBL34 START | 61.715 |
| HIERARCH ESO ISS PBL34 END | 61.823 |
| HIERARCH ESO ISS PBLA34 START | 112.099 |
| HIERARCH ESO ISS PBLA34 END | 113.264 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004548 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004452 |
| HIERARCH ESO ISS AMBI TEMP | 13.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |