Exposure
- ID
- GRAVI.2024-03-26T07:08:45.370_1
- Header ID
- GRAVI.2024-03-26T07:08:45.370
- Date updated
- 2024-03-26 07:25:28 UTC+0000
- Release date
- 2025-03-26 07:25:28 UTC+0000
- UTC Start
- 2024-03-26 07:08:45.370
- UTC End
- 2024-03-26 07:14:45.370
- MJD Start
- 60395.29774734
- MJD End
- 60395.3019140067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0057985
- Ambient temperature (°C)
- 14.5
- Seeing (arcsec)
- 0.83
Observation
- ID
- 58831
- Category
- science
- Program ID
- 112.25CV.001
- 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/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
- ID
- 43559
- Name
- S4
- RA
- 266.416828
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2340 | 56.2410 | 2.2000 | 3.1000 |
| U1-U3 | 100.8040 | 100.8630 | 7.1000 | 8.1000 |
| U1-U4 | 116.1060 | 116.8620 | 30.9760 | 32.3650 |
| U2-U3 | 45.0320 | 45.1030 | 13.2000 | 14.3000 |
| U2-U4 | 72.1200 | 73.1600 | 53.0490 | 54.4370 |
| U3-U4 | 47.3630 | 48.3560 | 90.6000 | 91.3660 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25CV.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60395.29774734 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| 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 | 56.234 |
| HIERARCH ESO ISS PBL12 END | 56.241 |
| HIERARCH ESO ISS PBLA12 START | 2.2 |
| HIERARCH ESO ISS PBLA12 END | 3.1 |
| HIERARCH ESO ISS PBL13 START | 100.804 |
| HIERARCH ESO ISS PBL13 END | 100.863 |
| HIERARCH ESO ISS PBLA13 START | 7.1 |
| HIERARCH ESO ISS PBLA13 END | 8.1 |
| HIERARCH ESO ISS PBL14 START | 116.106 |
| HIERARCH ESO ISS PBL14 END | 116.862 |
| HIERARCH ESO ISS PBLA14 START | 30.976 |
| HIERARCH ESO ISS PBLA14 END | 32.365 |
| HIERARCH ESO ISS PBL23 START | 45.032 |
| HIERARCH ESO ISS PBL23 END | 45.103 |
| HIERARCH ESO ISS PBLA23 START | 13.2 |
| HIERARCH ESO ISS PBLA23 END | 14.3 |
| HIERARCH ESO ISS PBL24 START | 72.12 |
| HIERARCH ESO ISS PBL24 END | 73.16 |
| HIERARCH ESO ISS PBLA24 START | 53.049 |
| HIERARCH ESO ISS PBLA24 END | 54.437 |
| HIERARCH ESO ISS PBL34 START | 47.363 |
| HIERARCH ESO ISS PBL34 END | 48.356 |
| HIERARCH ESO ISS PBLA34 START | 90.6 |
| HIERARCH ESO ISS PBLA34 END | 91.366 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007455 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004142 |
| HIERARCH ESO ISS AMBI TEMP | 14.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |