Exposure
- ID
- GRAVI.2025-12-08T04:11:39.028_1
- Header ID
- GRAVI.2025-12-08T04:11:39.028
- Date updated
- 2025-12-08 04:25:47 UTC+0000
- Release date
- 2026-12-08 04:25:47 UTC+0000
- UTC Start
- 2025-12-08 04:11:39.028
- UTC End
- 2025-12-08 04:14:19.028
- MJD Start
- 61017.17475727
- MJD End
- 61017.17660912185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034855
- Ambient temperature (°C)
- 11.3
- Seeing (arcsec)
- 0.96
Observation
- ID
- 72043
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 53504
- Name
- V_HL_Tau
- RA
- 67.912994
- DEC
- 18.23234
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 45.1850 | 45.4160 | 34.1000 | 34.3000 |
| U1-U3 | 84.6930 | 85.1520 | 41.1000 | 41.3000 |
| U1-U4 | 123.5410 | 123.9950 | 67.1550 | 67.0130 |
| U2-U3 | 40.2300 | 40.4460 | 49.0000 | 49.1000 |
| U2-U4 | 89.1450 | 89.2250 | 83.2070 | 82.9830 |
| U3-U4 | 60.2580 | 60.0600 | 105.2310 | 105.0510 |
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 | 61017.17475727 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | V HL Tau |
| HIERARCH ESO INS SOBJ NAME | V_HL_Tau |
| RA | 67.912994 |
| DEC | 18.23234 |
| 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 | 45.185 |
| HIERARCH ESO ISS PBL12 END | 45.416 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 84.693 |
| HIERARCH ESO ISS PBL13 END | 85.152 |
| HIERARCH ESO ISS PBLA13 START | 41.1 |
| HIERARCH ESO ISS PBLA13 END | 41.3 |
| HIERARCH ESO ISS PBL14 START | 123.541 |
| HIERARCH ESO ISS PBL14 END | 123.995 |
| HIERARCH ESO ISS PBLA14 START | 67.155 |
| HIERARCH ESO ISS PBLA14 END | 67.013 |
| HIERARCH ESO ISS PBL23 START | 40.23 |
| HIERARCH ESO ISS PBL23 END | 40.446 |
| HIERARCH ESO ISS PBLA23 START | 49.0 |
| HIERARCH ESO ISS PBLA23 END | 49.1 |
| HIERARCH ESO ISS PBL24 START | 89.145 |
| HIERARCH ESO ISS PBL24 END | 89.225 |
| HIERARCH ESO ISS PBLA24 START | 83.207 |
| HIERARCH ESO ISS PBLA24 END | 82.983 |
| HIERARCH ESO ISS PBL34 START | 60.258 |
| HIERARCH ESO ISS PBL34 END | 60.06 |
| HIERARCH ESO ISS PBLA34 START | 105.231 |
| HIERARCH ESO ISS PBLA34 END | 105.051 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00358 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003391 |
| HIERARCH ESO ISS AMBI TEMP | 11.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.97 |
| HIERARCH ESO ISS AMBI FWHM END | 0.95 |