Exposure
- ID
- GRAVI.2023-06-04T07:19:27.182_1
- Header ID
- GRAVI.2023-06-04T07:19:27.182
- Date updated
- 2023-06-04 07:35:34 UTC+0000
- Release date
- 2024-06-04 07:35:34 UTC+0000
- UTC Start
- 2023-06-04 07:19:27.182
- UTC End
- 2023-06-04 07:25:27.182
- MJD Start
- 60099.30517572
- MJD End
- 60099.3093423867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0114155
- Ambient temperature (°C)
- 13.05
- Seeing (arcsec)
- 0.425
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 | 54.5730 | 54.3540 | 35.2000 | 35.7000 |
| U1-U3 | 97.9520 | 97.4420 | 41.5000 | 42.0000 |
| U1-U4 | 120.5600 | 119.3690 | 70.8450 | 71.4410 |
| U2-U3 | 44.1250 | 43.8310 | 49.4000 | 49.9000 |
| U2-U4 | 82.5750 | 81.6980 | 93.4920 | 94.3240 |
| U3-U4 | 59.4400 | 59.0370 | 124.5980 | 125.6630 |
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 | 60099.30517572 |
| 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 | 54.573 |
| HIERARCH ESO ISS PBL12 END | 54.354 |
| HIERARCH ESO ISS PBLA12 START | 35.2 |
| HIERARCH ESO ISS PBLA12 END | 35.7 |
| HIERARCH ESO ISS PBL13 START | 97.952 |
| HIERARCH ESO ISS PBL13 END | 97.442 |
| HIERARCH ESO ISS PBLA13 START | 41.5 |
| HIERARCH ESO ISS PBLA13 END | 42.0 |
| HIERARCH ESO ISS PBL14 START | 120.56 |
| HIERARCH ESO ISS PBL14 END | 119.369 |
| HIERARCH ESO ISS PBLA14 START | 70.845 |
| HIERARCH ESO ISS PBLA14 END | 71.441 |
| HIERARCH ESO ISS PBL23 START | 44.125 |
| HIERARCH ESO ISS PBL23 END | 43.831 |
| HIERARCH ESO ISS PBLA23 START | 49.4 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 82.575 |
| HIERARCH ESO ISS PBL24 END | 81.698 |
| HIERARCH ESO ISS PBLA24 START | 93.492 |
| HIERARCH ESO ISS PBLA24 END | 94.324 |
| HIERARCH ESO ISS PBL34 START | 59.44 |
| HIERARCH ESO ISS PBL34 END | 59.037 |
| HIERARCH ESO ISS PBLA34 START | 124.598 |
| HIERARCH ESO ISS PBLA34 END | 125.663 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.01093 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011901 |
| HIERARCH ESO ISS AMBI TEMP | 13.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |