Exposure
- ID
- GRAVI.2023-07-07T00:57:47.563_2
- Header ID
- GRAVI.2023-07-07T00:57:47.563
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2023-07-07 00:57:47 UTC+0000
- UTC Start
- 2023-07-07 00:57:47.563
- UTC End
- 2023-07-07 00:59:47.563
- MJD Start
- 60132.04013383
- MJD End
- 60132.041522718886
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0038395
- Ambient temperature (°C)
- 10.49
- Seeing (arcsec)
- 0.755
Observation
- ID
- 56165
- Category
- calibrator
- 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
- 41173
- Name
- 2MASS_17314347-30462
- RA
- 262.9311791666666
- DEC
- -30.772804999999998
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4560 | 56.4610 | 8.6000 | 9.0000 |
| U1-U3 | 101.7340 | 101.7620 | 14.1000 | 14.5000 |
| U1-U4 | 122.4920 | 122.7550 | 39.6090 | 40.0770 |
| U2-U3 | 45.8540 | 45.8820 | 20.8000 | 21.2000 |
| U2-U4 | 79.6100 | 79.9430 | 61.0400 | 61.4920 |
| U3-U4 | 53.5290 | 53.8280 | 94.6230 | 94.9170 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.220D.004 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60132.04013383 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 2MASS 17314347-3046222 |
| HIERARCH ESO INS SOBJ NAME | empty |
| RA | 262.93353 |
| DEC | -30.77304 |
| 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 | 56.456 |
| HIERARCH ESO ISS PBL12 END | 56.461 |
| HIERARCH ESO ISS PBLA12 START | 8.6 |
| HIERARCH ESO ISS PBLA12 END | 9.0 |
| HIERARCH ESO ISS PBL13 START | 101.734 |
| HIERARCH ESO ISS PBL13 END | 101.762 |
| HIERARCH ESO ISS PBLA13 START | 14.1 |
| HIERARCH ESO ISS PBLA13 END | 14.5 |
| HIERARCH ESO ISS PBL14 START | 122.492 |
| HIERARCH ESO ISS PBL14 END | 122.755 |
| HIERARCH ESO ISS PBLA14 START | 39.609 |
| HIERARCH ESO ISS PBLA14 END | 40.077 |
| HIERARCH ESO ISS PBL23 START | 45.854 |
| HIERARCH ESO ISS PBL23 END | 45.882 |
| HIERARCH ESO ISS PBLA23 START | 20.8 |
| HIERARCH ESO ISS PBLA23 END | 21.2 |
| HIERARCH ESO ISS PBL24 START | 79.61 |
| HIERARCH ESO ISS PBL24 END | 79.943 |
| HIERARCH ESO ISS PBLA24 START | 61.04 |
| HIERARCH ESO ISS PBLA24 END | 61.492 |
| HIERARCH ESO ISS PBL34 START | 53.529 |
| HIERARCH ESO ISS PBL34 END | 53.828 |
| HIERARCH ESO ISS PBLA34 START | 94.623 |
| HIERARCH ESO ISS PBLA34 END | 94.917 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004069 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00361 |
| HIERARCH ESO ISS AMBI TEMP | 10.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | 2MASS_17314347-30462 |
| HIERARCH ESO FT ROBJ ALPHA | 173143.483 |
| HIERARCH ESO FT ROBJ DELTA | -304622.098 |