Exposure
- ID
- GRAVI.2025-12-08T04:08:06.019_1
- Header ID
- GRAVI.2025-12-08T04:08:06.019
- Date updated
- 2025-12-08 04:20:52 UTC+0000
- Release date
- 2026-12-08 04:20:52 UTC+0000
- UTC Start
- 2025-12-08 04:08:06.019
- UTC End
- 2025-12-08 04:10:46.019
- MJD Start
- 61017.17229189
- MJD End
- 61017.17414374185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003536
- Ambient temperature (°C)
- 11.3
- Seeing (arcsec)
- 0.99
Observation
- ID
- 72042
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 53503
- Name
- V_HL_Tau
- RA
- 67.91299
- DEC
- 18.23235
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.9010 | 45.1320 | 33.8000 | 34.0000 |
| U1-U3 | 84.1280 | 84.5880 | 41.0000 | 41.1000 |
| U1-U4 | 122.9680 | 123.4360 | 67.3230 | 67.1870 |
| U2-U3 | 39.9640 | 40.1810 | 49.0000 | 49.0000 |
| U2-U4 | 89.0310 | 89.1250 | 83.4790 | 83.2580 |
| U3-U4 | 60.4870 | 60.3020 | 105.4520 | 105.2720 |
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 | 61017.17229189 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | V HL Tau |
| HIERARCH ESO INS SOBJ NAME | V_HL_Tau |
| RA | 67.91299 |
| DEC | 18.23235 |
| 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 | 44.901 |
| HIERARCH ESO ISS PBL12 END | 45.132 |
| HIERARCH ESO ISS PBLA12 START | 33.8 |
| HIERARCH ESO ISS PBLA12 END | 34.0 |
| HIERARCH ESO ISS PBL13 START | 84.128 |
| HIERARCH ESO ISS PBL13 END | 84.588 |
| HIERARCH ESO ISS PBLA13 START | 41.0 |
| HIERARCH ESO ISS PBLA13 END | 41.1 |
| HIERARCH ESO ISS PBL14 START | 122.968 |
| HIERARCH ESO ISS PBL14 END | 123.436 |
| HIERARCH ESO ISS PBLA14 START | 67.323 |
| HIERARCH ESO ISS PBLA14 END | 67.187 |
| HIERARCH ESO ISS PBL23 START | 39.964 |
| HIERARCH ESO ISS PBL23 END | 40.181 |
| HIERARCH ESO ISS PBLA23 START | 49.0 |
| HIERARCH ESO ISS PBLA23 END | 49.0 |
| HIERARCH ESO ISS PBL24 START | 89.031 |
| HIERARCH ESO ISS PBL24 END | 89.125 |
| HIERARCH ESO ISS PBLA24 START | 83.479 |
| HIERARCH ESO ISS PBLA24 END | 83.258 |
| HIERARCH ESO ISS PBL34 START | 60.487 |
| HIERARCH ESO ISS PBL34 END | 60.302 |
| HIERARCH ESO ISS PBLA34 START | 105.452 |
| HIERARCH ESO ISS PBLA34 END | 105.272 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003492 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00358 |
| HIERARCH ESO ISS AMBI TEMP | 11.3 |
| HIERARCH ESO ISS AMBI FWHM START | 1.01 |
| HIERARCH ESO ISS AMBI FWHM END | 0.97 |