Exposure
- ID
- GRAVI.2023-06-04T04:05:17.655_1
- Header ID
- GRAVI.2023-06-04T04:05:17.655
- Date updated
- 2023-06-04 04:20:48 UTC+0000
- Release date
- 2024-06-04 04:20:48 UTC+0000
- UTC Start
- 2023-06-04 04:05:17.655
- UTC End
- 2023-06-04 04:11:17.655
- MJD Start
- 60099.17034323
- MJD End
- 60099.1745098967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0097055
- Ambient temperature (°C)
- 14.26
- Seeing (arcsec)
- 0.36
Observation
- ID
- 55649
- Category
- science
- Program ID
- 111.24H1.002
- 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
- 41212
- Name
- S4
- RA
- 266.416752
- DEC
- -29.00711
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4670 | 56.4870 | 14.7000 | 15.5000 |
| U1-U3 | 101.9550 | 102.0390 | 20.6000 | 21.5000 |
| U1-U4 | 126.0500 | 126.6300 | 47.6220 | 48.6440 |
| U2-U3 | 46.1620 | 46.2370 | 27.9000 | 28.8000 |
| U2-U4 | 84.4530 | 85.1120 | 68.9510 | 69.9050 |
| U3-U4 | 58.1820 | 58.7180 | 100.3710 | 101.0580 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60099.17034323 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 56.467 |
| HIERARCH ESO ISS PBL12 END | 56.487 |
| HIERARCH ESO ISS PBLA12 START | 14.7 |
| HIERARCH ESO ISS PBLA12 END | 15.5 |
| HIERARCH ESO ISS PBL13 START | 101.955 |
| HIERARCH ESO ISS PBL13 END | 102.039 |
| HIERARCH ESO ISS PBLA13 START | 20.6 |
| HIERARCH ESO ISS PBLA13 END | 21.5 |
| HIERARCH ESO ISS PBL14 START | 126.05 |
| HIERARCH ESO ISS PBL14 END | 126.63 |
| HIERARCH ESO ISS PBLA14 START | 47.622 |
| HIERARCH ESO ISS PBLA14 END | 48.644 |
| HIERARCH ESO ISS PBL23 START | 46.162 |
| HIERARCH ESO ISS PBL23 END | 46.237 |
| HIERARCH ESO ISS PBLA23 START | 27.9 |
| HIERARCH ESO ISS PBLA23 END | 28.8 |
| HIERARCH ESO ISS PBL24 START | 84.453 |
| HIERARCH ESO ISS PBL24 END | 85.112 |
| HIERARCH ESO ISS PBLA24 START | 68.951 |
| HIERARCH ESO ISS PBLA24 END | 69.905 |
| HIERARCH ESO ISS PBL34 START | 58.182 |
| HIERARCH ESO ISS PBL34 END | 58.718 |
| HIERARCH ESO ISS PBLA34 START | 100.371 |
| HIERARCH ESO ISS PBLA34 END | 101.058 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009949 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009462 |
| HIERARCH ESO ISS AMBI TEMP | 14.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |