Exposure
- ID
- GRAVI.2023-07-01T02:50:11.905_1
- Header ID
- GRAVI.2023-07-01T02:50:11.905
- Date updated
- 2023-07-01 03:05:52 UTC+0000
- Release date
- 2024-07-01 03:05:52 UTC+0000
- UTC Start
- 2023-07-01 02:50:11.905
- UTC End
- 2023-07-01 02:56:11.905
- MJD Start
- 60126.11819335
- MJD End
- 60126.1223600167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0083135
- Ambient temperature (°C)
- 19.42
- Seeing (arcsec)
- 0.445
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 | 56.5450 | 56.5530 | 18.7000 | 19.5000 |
| U1-U3 | 102.3020 | 102.3510 | 24.9000 | 25.7000 |
| U1-U4 | 128.4970 | 128.8880 | 52.3300 | 53.2530 |
| U2-U3 | 46.4780 | 46.5260 | 32.3000 | 33.2000 |
| U2-U4 | 87.2210 | 87.6680 | 73.3650 | 74.2400 |
| U3-U4 | 60.4280 | 60.7920 | 103.6910 | 104.3950 |
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 | 60126.11819335 |
| 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 | 56.545 |
| HIERARCH ESO ISS PBL12 END | 56.553 |
| HIERARCH ESO ISS PBLA12 START | 18.7 |
| HIERARCH ESO ISS PBLA12 END | 19.5 |
| HIERARCH ESO ISS PBL13 START | 102.302 |
| HIERARCH ESO ISS PBL13 END | 102.351 |
| HIERARCH ESO ISS PBLA13 START | 24.9 |
| HIERARCH ESO ISS PBLA13 END | 25.7 |
| HIERARCH ESO ISS PBL14 START | 128.497 |
| HIERARCH ESO ISS PBL14 END | 128.888 |
| HIERARCH ESO ISS PBLA14 START | 52.33 |
| HIERARCH ESO ISS PBLA14 END | 53.253 |
| HIERARCH ESO ISS PBL23 START | 46.478 |
| HIERARCH ESO ISS PBL23 END | 46.526 |
| HIERARCH ESO ISS PBLA23 START | 32.3 |
| HIERARCH ESO ISS PBLA23 END | 33.2 |
| HIERARCH ESO ISS PBL24 START | 87.221 |
| HIERARCH ESO ISS PBL24 END | 87.668 |
| HIERARCH ESO ISS PBLA24 START | 73.365 |
| HIERARCH ESO ISS PBLA24 END | 74.24 |
| HIERARCH ESO ISS PBL34 START | 60.428 |
| HIERARCH ESO ISS PBL34 END | 60.792 |
| HIERARCH ESO ISS PBLA34 START | 103.691 |
| HIERARCH ESO ISS PBLA34 END | 104.395 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008469 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008158 |
| HIERARCH ESO ISS AMBI TEMP | 19.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |