Exposure
- ID
- GRAVI.2025-09-06T06:33:58.128_1
- Header ID
- GRAVI.2025-09-06T06:33:58.128
- Date updated
- 2025-09-06 06:40:49 UTC+0000
- Release date
- 2025-09-06 06:33:58 UTC+0000
- UTC Start
- 2025-09-06 06:33:58.128
- UTC End
- 2025-09-06 06:34:30.128
- MJD Start
- 60924.27358944
- MJD End
- 60924.27395981037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002028
- Ambient temperature (°C)
- 9.71
- Seeing (arcsec)
- 1.6800000000000002
Observation
- ID
- 70189
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52086
- Name
- HD_224821
- RA
- 0.226817
- DEC
- -50.44673
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.2450 | 50.2100 | 35.2000 | 35.3000 |
| U1-U3 | 91.5050 | 91.4330 | 42.3000 | 42.4000 |
| U1-U4 | 122.2810 | 122.1820 | 72.0760 | 72.2220 |
| U2-U3 | 42.1020 | 42.0660 | 50.8000 | 50.9000 |
| U2-U4 | 87.4360 | 87.3920 | 92.2370 | 92.3980 |
| U3-U4 | 62.4580 | 62.4610 | 118.7490 | 118.9090 |
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 | 60924.27358944 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 224821 |
| HIERARCH ESO INS SOBJ NAME | HD_224821 |
| RA | 0.226817 |
| DEC | -50.44673 |
| 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 | 50.245 |
| HIERARCH ESO ISS PBL12 END | 50.21 |
| HIERARCH ESO ISS PBLA12 START | 35.2 |
| HIERARCH ESO ISS PBLA12 END | 35.3 |
| HIERARCH ESO ISS PBL13 START | 91.505 |
| HIERARCH ESO ISS PBL13 END | 91.433 |
| HIERARCH ESO ISS PBLA13 START | 42.3 |
| HIERARCH ESO ISS PBLA13 END | 42.4 |
| HIERARCH ESO ISS PBL14 START | 122.281 |
| HIERARCH ESO ISS PBL14 END | 122.182 |
| HIERARCH ESO ISS PBLA14 START | 72.076 |
| HIERARCH ESO ISS PBLA14 END | 72.222 |
| HIERARCH ESO ISS PBL23 START | 42.102 |
| HIERARCH ESO ISS PBL23 END | 42.066 |
| HIERARCH ESO ISS PBLA23 START | 50.8 |
| HIERARCH ESO ISS PBLA23 END | 50.9 |
| HIERARCH ESO ISS PBL24 START | 87.436 |
| HIERARCH ESO ISS PBL24 END | 87.392 |
| HIERARCH ESO ISS PBLA24 START | 92.237 |
| HIERARCH ESO ISS PBLA24 END | 92.398 |
| HIERARCH ESO ISS PBL34 START | 62.458 |
| HIERARCH ESO ISS PBL34 END | 62.461 |
| HIERARCH ESO ISS PBLA34 START | 118.749 |
| HIERARCH ESO ISS PBLA34 END | 118.909 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002028 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002028 |
| HIERARCH ESO ISS AMBI TEMP | 9.71 |
| HIERARCH ESO ISS AMBI FWHM START | 1.61 |
| HIERARCH ESO ISS AMBI FWHM END | 1.75 |