Exposure
- ID
- GRAVI.2023-09-28T23:31:19.913_2
- Header ID
- GRAVI.2023-09-28T23:31:19.913
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-09-28 23:45:25 UTC+0000
- UTC Start
- 2023-09-28 23:31:19.913
- UTC End
- 2023-09-28 23:37:19.913
- MJD Start
- 60215.98009158
- MJD End
- 60215.984258246666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003996
- Ambient temperature (°C)
- 13.35
- Seeing (arcsec)
- 0.8999999999999999
Observation
- ID
- 56447
- 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
- 41832
- Name
- 2MASS17430426-351519
- RA
- 265.7677666666666
- DEC
- -35.25541472222222
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 | 53.2730 | 53.0160 | 35.9000 | 36.4000 |
| U1-U3 | 95.7170 | 95.1480 | 42.5000 | 43.1000 |
| U1-U4 | 119.8350 | 118.7110 | 72.7300 | 73.4780 |
| U2-U3 | 43.2400 | 42.9280 | 50.7000 | 51.3000 |
| U2-U4 | 83.5330 | 82.7970 | 95.2000 | 96.1620 |
| U3-U4 | 60.7770 | 60.5030 | 125.1020 | 126.1990 |
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 | 60215.98009158 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | KB230496 |
| HIERARCH ESO INS SOBJ NAME | KB230496 |
| RA | 265.767366 |
| DEC | -35.25673 |
| 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 | 375.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 53.273 |
| HIERARCH ESO ISS PBL12 END | 53.016 |
| HIERARCH ESO ISS PBLA12 START | 35.9 |
| HIERARCH ESO ISS PBLA12 END | 36.4 |
| HIERARCH ESO ISS PBL13 START | 95.717 |
| HIERARCH ESO ISS PBL13 END | 95.148 |
| HIERARCH ESO ISS PBLA13 START | 42.5 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 119.835 |
| HIERARCH ESO ISS PBL14 END | 118.711 |
| HIERARCH ESO ISS PBLA14 START | 72.73 |
| HIERARCH ESO ISS PBLA14 END | 73.478 |
| HIERARCH ESO ISS PBL23 START | 43.24 |
| HIERARCH ESO ISS PBL23 END | 42.928 |
| HIERARCH ESO ISS PBLA23 START | 50.7 |
| HIERARCH ESO ISS PBLA23 END | 51.3 |
| HIERARCH ESO ISS PBL24 START | 83.533 |
| HIERARCH ESO ISS PBL24 END | 82.797 |
| HIERARCH ESO ISS PBLA24 START | 95.2 |
| HIERARCH ESO ISS PBLA24 END | 96.162 |
| HIERARCH ESO ISS PBL34 START | 60.777 |
| HIERARCH ESO ISS PBL34 END | 60.503 |
| HIERARCH ESO ISS PBLA34 START | 125.102 |
| HIERARCH ESO ISS PBLA34 END | 126.199 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003996 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003996 |
| HIERARCH ESO ISS AMBI TEMP | 13.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |
| HIERARCH ESO FT ROBJ NAME | 2MASS17430426-351519 |
| HIERARCH ESO FT ROBJ ALPHA | 174304.264 |
| HIERARCH ESO FT ROBJ DELTA | -351519.493 |