Exposure
- ID
- GRAVI.2023-07-01T03:46:33.057_1
- Header ID
- GRAVI.2023-07-01T03:46:33.057
- Date updated
- 2023-07-01 04:01:54 UTC+0000
- Release date
- 2024-07-01 04:01:53 UTC+0000
- UTC Start
- 2023-07-01 03:46:33.057
- UTC End
- 2023-07-01 03:52:33.057
- MJD Start
- 60126.15732705
- MJD End
- 60126.1614937167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007822
- Ambient temperature (°C)
- 18.74
- Seeing (arcsec)
- 0.465
Observation
- ID
- 56087
- Category
- science
- Program ID
- 111.24H1.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41538
- Name
- S4
- RA
- 266.416858
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4640 | 56.4250 | 25.4000 | 26.1000 |
| U1-U3 | 102.2980 | 102.2190 | 31.7000 | 32.5000 |
| U1-U4 | 130.1920 | 130.1160 | 59.7210 | 60.4930 |
| U2-U3 | 46.5980 | 46.5610 | 39.4000 | 40.2000 |
| U2-U4 | 89.4220 | 89.4230 | 80.5790 | 81.3710 |
| U3-U4 | 62.3920 | 62.4490 | 110.0190 | 110.7910 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60126.15732705 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416858 |
| DEC | -29.00732 |
| HIERARCH ESO INS SPEC RES | LOW |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.464 |
| HIERARCH ESO ISS PBL12 END | 56.425 |
| HIERARCH ESO ISS PBLA12 START | 25.4 |
| HIERARCH ESO ISS PBLA12 END | 26.1 |
| HIERARCH ESO ISS PBL13 START | 102.298 |
| HIERARCH ESO ISS PBL13 END | 102.219 |
| HIERARCH ESO ISS PBLA13 START | 31.7 |
| HIERARCH ESO ISS PBLA13 END | 32.5 |
| HIERARCH ESO ISS PBL14 START | 130.192 |
| HIERARCH ESO ISS PBL14 END | 130.116 |
| HIERARCH ESO ISS PBLA14 START | 59.721 |
| HIERARCH ESO ISS PBLA14 END | 60.493 |
| HIERARCH ESO ISS PBL23 START | 46.598 |
| HIERARCH ESO ISS PBL23 END | 46.561 |
| HIERARCH ESO ISS PBLA23 START | 39.4 |
| HIERARCH ESO ISS PBLA23 END | 40.2 |
| HIERARCH ESO ISS PBL24 START | 89.422 |
| HIERARCH ESO ISS PBL24 END | 89.423 |
| HIERARCH ESO ISS PBLA24 START | 80.579 |
| HIERARCH ESO ISS PBLA24 END | 81.371 |
| HIERARCH ESO ISS PBL34 START | 62.392 |
| HIERARCH ESO ISS PBL34 END | 62.449 |
| HIERARCH ESO ISS PBLA34 START | 110.019 |
| HIERARCH ESO ISS PBLA34 END | 110.791 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007822 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007822 |
| HIERARCH ESO ISS AMBI TEMP | 18.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |