Exposure
- ID
- GRAVI.2025-12-08T03:31:02.925_1
- Header ID
- GRAVI.2025-12-08T03:31:02.925
- Date updated
- 2025-12-08 03:41:04 UTC+0000
- Release date
- 2026-12-08 03:41:04 UTC+0000
- UTC Start
- 2025-12-08 03:31:02.925
- UTC End
- 2025-12-08 03:33:42.925
- MJD Start
- 61017.14656163
- MJD End
- 61017.14841348185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048055
- Ambient temperature (°C)
- 11.69
- Seeing (arcsec)
- 0.81
Observation
- ID
- 72036
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 53497
- Name
- V_HL_Tau
- RA
- 67.912917
- DEC
- 18.23236
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 41.9280 | 42.1600 | 30.5000 | 30.8000 |
| U1-U3 | 77.9610 | 78.4600 | 38.7000 | 38.9000 |
| U1-U4 | 115.6270 | 116.3000 | 68.8200 | 68.7190 |
| U2-U3 | 36.9340 | 37.1900 | 47.9000 | 48.0000 |
| U2-U4 | 86.7030 | 86.9630 | 86.2590 | 86.0400 |
| U3-U4 | 62.1250 | 62.0450 | 107.9100 | 107.7030 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.29H7.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 61017.14656163 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | V HL Tau |
| HIERARCH ESO INS SOBJ NAME | V_HL_Tau |
| RA | 67.912917 |
| DEC | 18.23236 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 178.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 41.928 |
| HIERARCH ESO ISS PBL12 END | 42.16 |
| HIERARCH ESO ISS PBLA12 START | 30.5 |
| HIERARCH ESO ISS PBLA12 END | 30.8 |
| HIERARCH ESO ISS PBL13 START | 77.961 |
| HIERARCH ESO ISS PBL13 END | 78.46 |
| HIERARCH ESO ISS PBLA13 START | 38.7 |
| HIERARCH ESO ISS PBLA13 END | 38.9 |
| HIERARCH ESO ISS PBL14 START | 115.627 |
| HIERARCH ESO ISS PBL14 END | 116.3 |
| HIERARCH ESO ISS PBLA14 START | 68.82 |
| HIERARCH ESO ISS PBLA14 END | 68.719 |
| HIERARCH ESO ISS PBL23 START | 36.934 |
| HIERARCH ESO ISS PBL23 END | 37.19 |
| HIERARCH ESO ISS PBLA23 START | 47.9 |
| HIERARCH ESO ISS PBLA23 END | 48.0 |
| HIERARCH ESO ISS PBL24 START | 86.703 |
| HIERARCH ESO ISS PBL24 END | 86.963 |
| HIERARCH ESO ISS PBLA24 START | 86.259 |
| HIERARCH ESO ISS PBLA24 END | 86.04 |
| HIERARCH ESO ISS PBL34 START | 62.125 |
| HIERARCH ESO ISS PBL34 END | 62.045 |
| HIERARCH ESO ISS PBLA34 START | 107.91 |
| HIERARCH ESO ISS PBLA34 END | 107.703 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00485 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004761 |
| HIERARCH ESO ISS AMBI TEMP | 11.69 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |