Exposure
- ID
- GRAVI.2023-09-01T01:41:42.792_1
- Header ID
- GRAVI.2023-09-01T01:41:42.792
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-09-01 01:50:36 UTC+0000
- UTC Start
- 2023-09-01 01:41:42.792
- UTC End
- 2023-09-01 01:43:42.792
- MJD Start
- 60188.07063417
- MJD End
- 60188.072023058885
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039835
- Ambient temperature (°C)
- 12.71
- Seeing (arcsec)
- 0.9
Observation
- ID
- 56828
- Category
- science
- Program ID
- 108.220D.004
- Program Title
- TOWARDS DETECTION OF SINGLE BLACK HOLES BY MICROLENSING AND INTERFEROMETRY
- Program Type
- Monitoring
- PI / COI
- MÉRAND / DONG / GOULD / WOILLEZ / UDALSKI / MROZ
Target
- ID
- 42116
- Name
- HD_320483
- RA
- 265.780132
- DEC
- -35.25865
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.3990 | 52.2820 | 37.6000 | 37.8000 |
| U1-U3 | 93.7830 | 93.5240 | 44.2000 | 44.4000 |
| U1-U4 | 116.0030 | 115.4880 | 75.1310 | 75.4260 |
| U2-U3 | 42.1780 | 42.0360 | 52.5000 | 52.7000 |
| U2-U4 | 81.0240 | 80.6860 | 98.3440 | 98.7420 |
| U3-U4 | 59.8400 | 59.7140 | 128.7070 | 129.1660 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.220D.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60188.07063417 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 320483 |
| HIERARCH ESO INS SOBJ NAME | HD_320483 |
| RA | 265.780132 |
| DEC | -35.25865 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 150.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 120 |
| HIERARCH ESO ISS PBL12 START | 52.399 |
| HIERARCH ESO ISS PBL12 END | 52.282 |
| HIERARCH ESO ISS PBLA12 START | 37.6 |
| HIERARCH ESO ISS PBLA12 END | 37.8 |
| HIERARCH ESO ISS PBL13 START | 93.783 |
| HIERARCH ESO ISS PBL13 END | 93.524 |
| HIERARCH ESO ISS PBLA13 START | 44.2 |
| HIERARCH ESO ISS PBLA13 END | 44.4 |
| HIERARCH ESO ISS PBL14 START | 116.003 |
| HIERARCH ESO ISS PBL14 END | 115.488 |
| HIERARCH ESO ISS PBLA14 START | 75.131 |
| HIERARCH ESO ISS PBLA14 END | 75.426 |
| HIERARCH ESO ISS PBL23 START | 42.178 |
| HIERARCH ESO ISS PBL23 END | 42.036 |
| HIERARCH ESO ISS PBLA23 START | 52.5 |
| HIERARCH ESO ISS PBLA23 END | 52.7 |
| HIERARCH ESO ISS PBL24 START | 81.024 |
| HIERARCH ESO ISS PBL24 END | 80.686 |
| HIERARCH ESO ISS PBLA24 START | 98.344 |
| HIERARCH ESO ISS PBLA24 END | 98.742 |
| HIERARCH ESO ISS PBL34 START | 59.84 |
| HIERARCH ESO ISS PBL34 END | 59.714 |
| HIERARCH ESO ISS PBLA34 START | 128.707 |
| HIERARCH ESO ISS PBLA34 END | 129.166 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003829 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004138 |
| HIERARCH ESO ISS AMBI TEMP | 12.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.9 |
| HIERARCH ESO FT ROBJ NAME | 2MASS_J17430742-3515 |
| HIERARCH ESO FT ROBJ ALPHA | 174307.418 |
| HIERARCH ESO FT ROBJ DELTA | -351528.326 |